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HP XP7 Provisioning for Open Systems UserGuideAbstractThis document describes and provides instructions for using the provisioning software to configu

View LDEV IDs window...283Emulation groups and t

Example of deleting a tierIf a tier no longer has any pool-VOLs when you delete them, the tier is deleted from the pool. Thefollowing figure illustrat

The following table shows how tiering policy is shown in the performance graph. How the graphappears depends on the number of tiers set in a pool and

Reserving tier capacity when setting a tiering policyIf you set the tiering policy of a THP-VOL, the THP-VOL used capacity and the I/O performancelimi

diagram below, tier 1 is reserved first. If the capacity of tier 1 is deficient at this point, tier 2 isreserved automatically. For details, see “Note

Notes on tiering policy settings• If Auto is set as the execution mode, tier relocation is performed based on the monitoringcycle. Therefore, when the

Allocation capacity considerationsTiering PolicyAllocation capacities in each tier.◦ Tier1: The setting value(%) in Tier1 Min.◦ Tier2: The value deduc

Order of new page allocationConditionNumberSame as Level1(1)T1 MIN = 100%1Same as Level5(5)T1 MAX = 0%2Same as All(0)T1 MAX > 0%3NoteWhen specifyin

example, three LDEVs are relocated in each period, but the number of LDEVs to relocate maychange by the relocation cycle or the data size.Relocatingse

DescriptionOrder in which pages areallocated to tiersTier of deleted pool-VOLsIf there is no free space in Tier 1 and Tier 2,pages are allocated to Ti

• Reclaiming zero pages in a page release request issued by the host with the Write Samecommand, for example.• Performing tier relocations several tim

Edit External LDEV Tier Rank window...379Edit External LDEV Tier Rank C

Changing the tiering policy level on a THP V-VOLThe Storage Administrator (Provisioning) role is required to perform this task.1. In the Remote Web Co

1. In the Storage Systems tree on the left pane of the top window, select Logical Devices.The following shows an example of the other operations to se

7. Click Apply.If the Go to tasks window for status check box is selected, the Tasks window appears.8. Click Finish.9. In the Confirm window, verify y

Smart Tiers workflowThe following diagram shows the flow of work for a Storage Administrator to set up Smart Tierson the storage system.As shown in th

• In RAID Manager, when creating a pool, you cannot enable Smart Pool and cannot registermultiple media as pool-VOLs. Before making tiers, enable Smar

• “Display items: Capacity usage for each tier” (page 117)• “Display items: Performance monitor statistics” (page 117)• “Display items: Operation stat

RAIDManagerGUIItemNo.YYTier relocation start/stop32YYCreateCreateTHP V-VOL33(Setting item)YYTHP V-VOL Name34NNSmart Pool relocation: Disable35NYTierin

Display items: Capacity usage for each tierRAID ManagerGUIOutput informationCategoryNo.YYCapacity for each tier (Total)THP pool1YYCapacity for each ti

5. Select Enable from the Smart Pool field.6. To configure Smart Tiers:1. Select the Tier Management check box.2. From the Tier Management field, sele

8. In the Task Name text box, enter the task name.You can enter up to 32 ASCII characters and symbols in all, except for \ / : , ; * ? " < >

Delete Host Groups window...461Delete Login WWNs windo

4. Check Monitoring Mode.5. From the Monitoring Mode option, select Period Mode or Continuous Mode.If you want to perform tier relocation using the mo

6. Click Finish.The Confirm window appears.7. In the Task Name text box, enter the task name.You can enter up to 32 ASCII characters and symbols in al

6. In the Task Name text box, enter the task name.You can enter up to 32 ASCII characters and symbols in all, except for \ / : , ; * ? " < >

Thin Provisioning does not automatically balance the usage levels among pool-VOLs if the cachememory is not redundant or if the pool usage reaches up

If multiple pool-VOLs of the same data drive type exist, the priority of each is determined by theinternal index of the storage system.For Thin Provis

8. In the Pool Name text box, enter the prefix and initial number of the pool. The pool name mayconsist of up to 32 characters.Prefix: Case-sensitive,

2. From the Performance list, select the performance of the pool.3. In the Total Capacity list, specify the capacity of the poolValues are displayed i

14. Click Add.The created pool is added to the Selected Pools table. If invalid values are set, an error messageappears.If an item that must be set is

TIP: Perform the following steps if necessary:• Click Filter to open the menu, specify the filtering, and then Apply.• Click Select All Pages to selec

You cannot set a specific time to start performance monitoring.CAUTION: When Auto is set, all the V-VOL pages may not be completely migrated in onecyc

1 Introduction to provisioningProvisioning a storage system requires balancing the costs of the solution with the benefits that thesolution provides.

4. From the System Type list, select Open.5. From the Smart Pool field, select Enable.CAUTION: You cannot select Enable if the storage system has only

11. In the Subscription Limit text box, enter an integer value from 0 to 65534 as the subscriptionrate (%) for the pool.If no number is entered, the s

18. In the Buffer Space for Tier relocation text box, enter an integer value from2 to 40 as thepercentage (%) to set for each tier.The default value i

Creating V-VOLsThe Storage Administrator (Provisioning) role is required to perform this task.You can create a THP V-VOL from any of the following tab

4. In the Available Pools table, select a pool.NOTE: You can specify a pool when creating THP-VOLs if the pool has a status of oneof the following:• N

from Level1(1) to Level5(5) or from Level6(6) to Level31(31). You can specify the functionwhen the Smart Pool is enabled.18. From the New Page Assignm

Changing THP V-VOL settingsThe Storage Administrator (Provisioning) role is required to perform this task.Before registering a THP V-VOL, you may need

SIMs and as SNMP traps to the open-systems host. See “Monitoring pool usage levels” (page 137)for more information.You can provision a larger virtual

◦ THP V-VOL usage (stored data rates) and elapsed time of pool usage (using Remote WebConsole).◦ Smart Tiers performance monitoring of pool storage• P

ThresholdsPool utilization thresholdsThin Provisioning monitors pool capacity using thresholds. A threshold is the proportion (%) of usedcapacity of t

The alternative is to use a host-based Logical Volume Manager (LVM) when the planned workloadsrequire either more space or IOPS capacity than the indi

The following figure depicts setting the subscription limit of pool capacity.Monitoring total THP-VOL subscription for a poolYou can configure the Sub

6. Click Finish.7. In the Confirm window, confirm the settings, in Task Name type a unique name for this taskor accept the default, and then click App

Types of reportsThresholds or ValuesEventSIM Code (XXX= hexadecimalpool number)Information to theoperatorCompletionreport to RemoteWeb ConsoleReport t

3. Click More Actions, and then select Complete SIMs.ORFrom Pool in the Actions menu, select Complete SIMs.The Complete SIMs window opens.4. In the Co

2. From the Pools table on the right, click the row of a pool you want to confirm the free poolcapacity.3. Click More Actions to select View Pool Mana

Notes on using Smart Tiers• When pool-VOLs with the available monitoring information are added in a pool, tier relocationis performed. When pool-VOLs

1. In Prefix, type the characters that will become the fixed characters for the beginning ofthe pool name. The characters are case-sensitive.2. In Ini

• Creating THP V-VOLs.• Increasing THP V-VOL capacity.While the pool capacity is being decreased, if maintenance of cache memory is performed, if thec

Notes on using Smart TiersYou cannot delete a pool-VOL under these conditions.• If the pool-VOL is deleted, the used capacity of the pool-VOL exceeds

4. In the Confirm window, confirm the settings, in Task Name type a unique name for this taskor accept the default, and then click Apply.If Go to task

When to use fixed-sized provisioningFixed-sized provisioning is a best fit in the following scenarios:• When custom-sized provisioning is not supporte

6. In the Confirm window, confirm the settings, in Task Name type a unique name for this taskor accept the default, and then click Apply.If Go to task

8. In the Confirm window, click Apply to register the setting in the task.If the Go to tasks window for status check box is selected, the Tasks window

5. Click Finish.6. In the Confirm window, confirm the settings, in Task Name type a unique name for this taskor accept the default, and then click App

Releasing pages in a THP V-VOLThe Storage Administrator (Provisioning) role is required to perform this task.You can reclaim pages in a THP V-VOL to f

2. From the table, select the THP V-VOL that you want to stop from releasing pages.3. Click More Actions, and then select Stop Reclaiming Zero Pages.T

2. From the table, select the THP V-VOL to be deleted.Do the following, if necessary.• In the Filter option, select ON to filter the rows.• Click Sele

5. In the Start Tier Relocation window, click Apply to register the setting in the task.If the Go to tasks window for status check box is selected, th

6 Configuring access attributesAfter provisioning your system, you can assign access attributes to open-system volumes to protectthe volume against re

Access attributes and permitted operationsSpecified as S-VOLSpecified as P-VOLWrite Operationsfrom HostsRead Operationsfrom HostsAccess AttributeYesYe

Assigning an access attribute to a volumeIf you want to protect volumes against both read and write operations from hosts, change theaccess attribute

Virtual LUN software is used to configure custom-sized provisioning. For detailed information, see“Configuring custom-sized provisioning” (page 43).Th

Procedure 11 To change an access attribute to read-only or protect1. Navigate to the Remote Web Console as a user assigned to the Storage Administrato

8. Click OK to close the dialog box.9. In the Data Retention window, click Apply to apply the setting.To extend the retention term later, open the Dat

2. In the Remote Web Console main window, click Actions > Other Function > Data Retentionto open the Data Retention window.3. Click to change to

Remote Web Console secondary windows must be defined for use in advance. When you selectModify from the Data Retention secondary window to disable an

7 Managing logical volumesAfter provisioning your system, you can begin to manage open-system logical volumes. Managinglogical volumes includes tasks

You can define paths between a single server host and multiple LUs. The figure shows that eachof the two hosts in the host group hg-lnx can access the

Restrictions• You cannot define an LU path to journal volumes.• You cannot define an LU path to pool volumes.• When defining LU paths, you must not us

Configuring fibre channel portsSetting the data transfer speed on a fibre channel portThe Storage Administrator (Provisioning) role is required to per

7. In the Confirm window, confirm the settings, in Task Name type a unique name for this taskor accept the default, and then click Apply.If Go to task

Setting the fabric switchThe Storage Administrator (Provisioning) role is required to perform this task.When you configure your storage system, specif

Thin Provisioning is more efficient than traditional provisioning strategies. It is implemented bycreating one or more Thin Provisioning pools (THP po

Read the following topics concerning host modes before configuring hosts:• “Host modes for host groups” (page 170)• “Host mode options” (page 171)Conf

When to select this modeHost modeThe volume data of the following emulation type can be transferred: 3390-3A, 3390-9A,3390-LA.1There are no functional

When to select this optionHost mode optionsNo.When all of the following conditions are satisfied:Set/Report Device Identifierenable33• Host mode 05 Op

When to select this optionHost mode optionsNo.When using General Parallel File System (GPFS) in the HP XP7 Storageconnecting to the AIX host.AIX GPFS

4. On the LightPulse Utility window, verify that any installed adapters appear in the tree.5. In the Category list, choose the Configuration Data opti

NOTE: When using the A5158 Fibre Channel adapter, list the WWN for the device withthe device file name as follows:/opt/fcms/bin/fcmsutil <device fi

register HP-UX hosts to the corresponding host group and register Windows hosts to the other hostgroup.NOTE: The above example relates to configuratio

1. Click Add New Host under the Available Hosts list.The Add New Host dialog box opens.2. Enter the desired WWN in the HBA WWN box.3. If necessary, en

Procedure 19 To define LU paths1. From the Storage Systems tree, click Ports/Hosts Groups. From the Actions menu, select LogicalDevice, and then Add L

4. Select the LUNs tab.Information about LU paths associated with the selected host group appears.5. Select one or more logical units to which volumes

With Thin ProvisioningWithout Thin ProvisioningAdvantagesHP XP7 Storage product licenses are based onused capacity rather than the total definedcapaci

To create an alternate LU path, copy the original LU path from one port to another. For example,if you want to define an alternate for the LU path fro

Managing LU pathsYou can modify the LU paths configuration with LUN Manager when the system is in operation,but not when host I/O is in progress. Mana

4. In the Confirm window, confirm the settings, in Task Name type a unique name for this taskor accept the default, and then click Apply.If Go to task

LUN security on portsTo protect mission-critical data in your storage system from illegal access, apply security policiesto logical volumes. Use LUN M

Host group 0 is the only host group reserved, by default, for each port. If you use the LUN Managerwindow to view a list of host groups in a port, hos

Disabling LUN security on a portThe Storage Administrator (Provisioning) role is required to perform this task.CAUTION: Do not disable LUN security on

1. A host group of the storage system authenticates a host that attempts to connect (authenticationof hosts).2. The host authenticates the connection-

The following diagram illustrates the flow of authentication of hosts in a fibre channel environment.The connection uses cases are detailed below the

Not authenticating hosts (Case D)Case D is an example of connecting via a host group that does not perform authentication of hosts.The host will conne

During authentication of hosts, the connection result is determined depending on the combinationof the following host group settings:• Setting of the

Automated tiering of physical storage is the next step for thin provisioned enterprise arrays.Automated tiering is the ability of the array to dynamic

Authenticating fabric switches by ports (Cases A, B, and C)• If the user information of the fabric switch is registered on the port, and authenticatio

During authentication of hosts, the connection result is determined depending on the combinationof the following port settings:• Setting of the port i

3. In the Port tree, double-click the Storage System folder.If the storage system contains any fibre channel adapters, the Fibre folder appears below

5. In this dialog box, specify the following user information of the host you want to allowconnection.• Group Name: Specify the group name of host bus

Deleting host user informationYou can delete registered user information from a host group.Remote Web Console secondary windows must be defined for us

• Secret: Specify the secret (that is, a password used in CHAP authentication) between 12to 32 characters. You can use alphanumeric characters, spaces

4. Right-click any point in the Port Information list and select Set Port Information.5. In the Set Port Information dialog box, specify the port info

Remote Web Console secondary windows must be defined for use in advance. When you selectModify from the Authentication secondary window to specify aut

8. Click OK to close the message. The settings are applied to the storage system.Setting the fabric switch authentication modeYou can specify the auth

Managing hostsChanging WWN or nickname of a host bus adapterThe Storage Administrator (Provisioning) role is required to perform this task.In fibre ch

© Copyright 2014 Hewlett-Packard Development Company, L.P.Confidential computer software. Valid license from HP required for possession, use or copyin

When to use Smart TiersSmart Tiers is the best fit in an environment in which Thin Provisioning is a good fit.For detailed information, see “Configuri

2. Select the Host Groups tab, or select a port from the tree and then select the Host Groups tab.3. Select a host group.4. Click More Actions and sel

4. In the Remove Hosts window, if necessary, check Remove selected hosts from all host groupscontaining the hosts in the storage system.If this check

8 TroubleshootingThe information in this chapter can help you troubleshoot problems when provisioning a storagesystem.If a failure occurs and a messag

Causes and SolutionsProblemsSolutions:• Add some pool-VOLs to the pool. See “Increasing pool capacity”(page 144).• Perform the operation to reclaim ze

Causes and SolutionsProblemsSolutions:• Confirm that the pool usage is 0 after the THP V-VOLs are deleted,and then you can delete the pool.• Ask HP Te

Causes and SolutionsProblemsCauses:• Zero pages in the THP V-VOL cannot be reclaimed because the THPV-VOL does not meet conditions for releasing pages

Causes and SolutionsProblemsThe Protection attribute of Data Retention may have been set to THPV-VOLs. After performing above solutions, release the P

Probable Causes and SolutionsProblemsYou can find the changes by:Nothing happens when you click thebutton.• scrolling the current list up and down.• s

SolutionsError ContentsError Code (SSB2)reservation rate after the capacity wasincreased.Check the emulation type of the specified THPV-VOL.The operat

DescriptionError Code (SSB2)• The specified volume is in the PAIR or COPY status.• The specified volume does not exist.• The S-VOL Disable attribute i

• Migration: Auto LUN (contact HP Technical Support)• Partitioning: Cache Partition (XP7 Performance for Open and Mainframe Systems User Guide)Key ter

9 Support and other resourcesContacting HPFor worldwide technical support information, see the HP support website:http://www.hp.com/supportBefore cont

HP websitesFor additional information, see the following HP websites:• http://www.hp.com• http://www.hp.com/go/storage• http://www.hp.com/service_loca

Table 1 Document conventions (continued)ElementConventionMonospace text• File and directory names• System output• Code• Commands, their arguments, an

A RAID Manager command referenceThis appendix provides information on Remote Web Console tasks and corresponding RAIDManager commands used in provisio

RAID Manager commandAction nameItemraidcom modify poolRestore Poolsraidcom get thp_poolView Tier Propertiesraidcom disconnect external_grpDisconnect E

B Resource Partition GUI referenceSections in this appendix describe the Resource Partition windows, wizards, and dialog boxesused in configuring reso

Resource Groups tabDescriptionItemName of a resource group.Resource Group NameIdentifier of a resource group.Resource Group ID*Number of user groups w

Parity Groups tabDescriptionItemIdentifiers of parity groups that are already defined.Parity Group IDCapacity of each parity group.CapacityNumber of L

LDEVs tabDescriptionItemLDEV identifiers.LDEV IDSome undefined LDEV IDs may appear. A hyphen appearing in the LDEV name indicatesthe LDEV is undefined

DescriptionItemAttribute of the volume indicating how the LDEV is being used.Attribute• Command Device: Command device.• Remote Command Device.• JNL V

System requirements• The HP XP7 Storage hardware, microcode, and Remote Web Console essential for operatingthe storage system be installed and configu

Ports tabDescriptionItemIdentifiers of the ports that are already mounted.Port IDAttribute of the port indicating I/O flow.Attribute• Initiator: Issue

Host Groups tabDescriptionItemPort identifiers.Port IDName and identifier of each host group that uses a port.Host Group NameSome undefined host group

Create Resource Groups wizardCreate Resource Groups windowUse this window to designate the parity groups, LDEVs, ports, and host groups, if any, that

Setting fieldsDescriptionItemType a unique name for this resource group. the following rules apply:Resource Group Name*• meta_resource cannot be set a

DescriptionItemname are not allowed in one storage system.• Resource names are case-sensitive.• Usable characters are alphanumeric, spaces, and symbol

Selected Resource Groups tableDescriptionItemName and identifier of each resource group.Resource Group Name (ID)Create Resource Groups wizard 225

DescriptionItemA hyphen indicates the ID number is not assigned before setting a resource group.Number of parity groups to be assigned to the resource

Available Parity Groups tableDescriptionItemParity group identifiers.Parity Group IDCapacity of each parity group.CapacityNumber of LDEVs in each pari

Selected Parity Groups tableDescriptionItemParity group identifiers.Parity Group IDCapacity of each parity group.CapacityNumber of LDEVs in each parit

Select LDEVs windowCreate Resource Groups wizard 229

Required shared memory capacityTotal capacity of all pools32 GBIf the total capacity satisfies both of following:• More than 3.4 PB• 7.9 PB or less48

Available LDEVs tableDescriptionItemLDEV identifiers.LDEV IDLDEV IDs may be appear for undefined LDEVs. A hyphen appearing in columns to theright of t

DescriptionItemBasic: Internal volumeTHP: V-VOLs of Thin Provisioning or Thin Provisioning ZExternal: External volumeExternal MF: Migration volumeSnap

Selected LDEVs tableDescriptionItemLDEV identifiers.LDEV IDSome undefined LDEV IDs may appear. A hyphen in the LDEV name indicates the LDEVis undefine

DescriptionItemTHP: V-VOLs of Thin ProvisioningExternal: External volumeExternal MF: Migration volumeSnapshot: Fast Snap volumeAttribute of the volume

Available Ports tableDescriptionItemPort identifier.Port IDAttribute of the port indicating I/O flow.Attribute• Initiator: Issues I/O commands to a ta

DescriptionItem• HTP: Use this port when the external volume is mapped to the local storage system.Specify this port to the external storage system.•

Selected Ports tableDescriptionItemPort identifier.Port IDAttribute of the port indicating I/O flow.Attribute• Initiator: Issues I/O commands to a tar

DescriptionItemTarget: Receives I/O commands from a host.•• RCU Target: Receives I/O commands from an initiator when I/O is executed betweenstorage sy

Available Host Groups tableDescriptionItemPort identifiers.Port IDName and identifier of each host group that uses a port.Host Group NameSome undefine

DescriptionItemAdds one or more host groups selected in the Available Host Groups table to the SelectedHost Groups table.AddRemoves one or more select

2 Managing Virtual Storage Machine ResourcesThe virtual storage machine is the unit that is used to manage virtualized resources for each storagesyste

Selected Host Groups tableDescriptionItemPort identifiers.Port IDName and identifier of each host group that uses a port.Host Group NameSome undefined

Create Resource Groups Confirm windowConfirm proposed settings, name the task, and then click Apply. The task will be added to theexecution queue.Desc

Edit Resource Group wizardEdit Resource Group windowDescriptionItemType the name of the resource group after editing.Resource Group Name• meta_resourc

Selected Resource Group tabDescriptionItemName and identifier of the edited resource group.Resource Group Name (ID)Number of parity groups that are as

Add Resources wizardAdd Resources windowDescriptionItemOpens the Select Parity Group window, where you can select one or more parity groupsto be added

DescriptionItemOpens the Select Ports window, where you can select one or more ports to be addedto the resource group.Select PortsOpens the Select Hos

Selected Resource Group tableDescriptionItemName and identifier of the resource group to be added to the storage system.Resource Group Name (ID)Select

Selected Ports tableDescriptionItemPort identifiers to be added to a resource group.Port IDAttribute of the port indicating I/O flow.Attribute• Initia

Remove Resources windowSelected Resource Group tableDescriptionItemName and identifier of each resource group whose resources are deleted.Resource Gro

DescriptionItemSome undefined LDEV IDs may appear. A hyphen in the LDEV name indicates the LDEVis undefined.LDEV names to be deleted from the resource

LDEVs for which virtualization management is enabledLDEVs that satisfy one of these conditions:• The model name and serial number of the virtual stora

Selected Host Groups table (when deleting Host Groups)DescriptionItemPort IDs that are used by the host group.Port IDName and ID of each host group na

Resource Group Properties windowResource Group Properties tableDescriptionItemName and ID of a resource group name.Resource Group Name (ID)Number of p

Parity Groups tableDescriptionItemParity group IDs.Parity Group IDCapacity of each parity group.CapacityNumber of LDEVs in each parity group.Number of

DescriptionItemSSID: Virtual SSID. If Virtual SSID is not set to LDEV, this column is blank.Total number of selected volumes.TotalPorts tableDescripti

C LDEV GUI referenceSections in this appendix describe the windows, wizards, and dialog boxes used in creating LDEVs.Parity Groups windowUse this wind

Parity Groups tabDescriptionItemParity group identifier of the parity group in the storage system.Parity Group IDStatus of each LDEV in the parity gro

DescriptionItemOpens the Block LDEVs window.Block LDEVs*Opens the Restore LDEVs window.Restore LDEVs*Opens a window where you can export configuration

Parity Groups tabDescriptionItemThe parity group identifiers of the parity groups in the storage system.Parity Group IDThe icons indicate the LDEV sta

DescriptionItemOpens the Restore LDEVs window.Restore LDEVs*Opens a window where you can export configuration information listed in thetable to a file

DescriptionItemQuick Formatting: Volume is being quick-formatted.Correction Access: Access attribute is being corrected.Copying: Data in the volume is

If the pair is created under the above conditions, the following are displayed as results of executingthe pairdisplay command:• Serial number of the v

DescriptionItemAttribute of the volume indicating how the LDEV is being used.Attribute• Command Device: The volume is a command device.• Remote Comman

SummaryDescriptionItemNumber of allocated LDEVs for open system.Number of LDEVs - Open AllocatedNumber of unallocated LDEVs for open system.Number of

DescriptionItemOpen the View Migration Plans window. For details, see the HP XP7 Auto LUNUser Guide.View Migration Plans*Open the View Histories windo

DescriptionItemAttribute of the volume indicating how the LDEV is being used.Attribute• Command Device: Volume is a command device.• Remote Command De

DescriptionItemOpens the Expand V-VOLs window.Expand V-VOLs2Opens the Migrate Volumes window. For details, see XP7 Auto LUN User Guide.Migrate Volumes

Create LDEVs wizard 265

Setting fieldsDescriptionItemSelect the type of LDEV.Provisioning TypeBasic: Internal volume.Thin Provisioning: THP V-VOL.External: External volume.26

DescriptionItemSnapshot: Fast Snap volume.Select the system of LDEV.System TypeOpen: Volume for open system.Mainframe: Volume of mainframe system.Sele

DescriptionItemInput area:• Specify the LDEV capacity to create in a free space, a pool, or anexternal volume.Detailed calculation of the LDEV capacit

DescriptionItemSpecify the new page assignment tier you want to assign to the LDEV.Middle is selected by default. You can select from the levels of Hi

3 Configuring resource groupsThe Storage Administrator can divide a provisioned storage system into resource groups that allowmanaging the storage sys

Selected LDEVs tableDescriptionItemLDEV identifier, which is the combination of LDKC, CU, and LDEV.LDEV IDLDEV name, including the combination of pref

DescriptionItemPool name and pool identifier.Pool Name (ID)Drive type and rpm in use on this LDEV.Drive Type/RPMRAID level. An asterisk "*"

Selected LDEVs tableDescriptionItemLDEV identifier, which is the combination of LDKC, CU, and LDEV.LDEV IDLDEV name, including the combination of pref

DescriptionItemEnable: The LDEV for Smart Tiers or Smart Tiers Z is displayed.Disable: The LDEV for Thin Provisioning or Thin Provisioning Z is displa

DescriptionItemSpecify the LDEV name, using up to 32 characters.LDEV Name• Prefix: Fixed character string.• Initial Number: Initial number.Specify the

DescriptionItem• 23: Up to 77 numbers are added (23, 24, 25 ... 99)• 098: Up to 902 numbers are added (098, 099, 100 ... 999)Specify the tiering polic

DescriptionItemLDEV identifier, which is the combination of LDKC, CU, and LDEV.LDEV IDLDEV name, including the combination of prefix characters and th

DescriptionItemType of LDEV.Provisioning Type• Basic: Internal volume.• THP: THP V-VOL.• External: External volume.• Snapshot: Fast Snap volume.Tierin

DescriptionItemSpecify the LDEV name, using up to 32 characters.LDEV NamePrefix: Fixed character string.Initial Number: Initial number.Specify the pre

DescriptionItemSpecify the LDKC number. It is fixed to 00.LDKCSpecify the CU number.CUSpecify the LDEV number.DEVSpecify the interval of the assigned

The Security Administrator in the system division creates resource groups for each division in thestorage system and assigns them to the respective di

DescriptionItemLDKC number.LDKCControl unit number.CUThe range of LDEVs that can be allocated to the SSID. Each LDEV group (dividedby LDEV boundary) h

DescriptionItemParity group identifier.Parity Group IDSequence number for identifying free space in the parity group.Free Space No.RAID level. An aste

Select Pool windowAvailable Pools tableDescriptionItemDisplays the pool name and pool ID.Pool Name (ID)Displays the RAID level.RAID LevelDisplays info

DescriptionItemDisplays information about subscription of the pool.Subscription (%)• Current: Percentage of the total V-VOL capacity assigned to the p

DescriptionItemEmulation type selected in the Create LDEVs window. See “Emulation groupsand types” (page 285) for a list.Usage of selected emulation t

Emulation groups and typesThe following table shows the emulation groups and emulation types for mainframe systems.D-type (Overseas PCM) emulation typ

Parity Group Property tableDescriptionItemParity group identifier. For an interleaved parity group, all parity groups thatare contained in the interle

DescriptionItemLDKC number.LDKCControl unit number.CUThe range of LDEVs that can be allocated to the SSID. Each LDEV group (dividedby LDEV boundary) h

DescriptionItemIndicates whether the storage system identifier is can be changed.SSID Changeable• Yes: The SSID can be changed. The SSID was assigned

DescriptionItemSpecify the initial storage system identifier in hexadecimal format. The defaultis 0004 if none is specified.Initial SSIDFormat LDEVs w

Example of resource groups not sharing portsIf you assign ports to each resource group without sharing, performance can be maintained on adifferent po

Format LDEVs windowDescriptionItemSelect the type of formatting to be used on this LDEV.Format Type• Quick Format (default): Select this to perform qu

DescriptionItemLDEV identifier, which is the combination of LDKC, CU, and LDEV.LDEV IDLDEV name.LDEV NameParity group identifier.Parity Group IDPool n

Restore LDEVs windowUse this window to recover blocked LDEVs.DescriptionItemLDEV identifier, which is the combination of LDKC, CU, and LDEV.LDEV IDLDE

DescriptionItemHyphen (-): Volume in which the attribute is not defined.Block LDEVs windowUse this window to block specific LDEVs. The data on the LDE

DescriptionItemCommand Device: Command device.Remote Command Device: Remote command device.TSE: TSE-VOL.Hyphen (-): Volume in which the attribute is n

DescriptionItem• External: External volume.• Snapshot: Fast Snap volume.Displays the attribute of the LDEV.AttributeCommand Device: Command device.TSE

LDEV Properties tableDescriptionItemLDEV identifier, which is the combination of LDKC, CU, and LDEV.LDEV IDDisplays the LDEV name.LDEV NameDisplays th

DescriptionItemQuick Formatting: Volumes are being quick-formatted.Correction Access: Access attribute is being corrected.Copying: Data in the volumes

LUNs tableThis table is not displayed if the path is not set.DescriptionItemPort name.Port IDHost group name.Host Group NameIdentifier of the logical

BC Pairs tableDescriptionItemDisplays LDEV ID of the primary volume.Primary Volume - LDEV IDDisplays LDEV name of the primary volume.Primary Volume -

Contents1 Introduction to provisioning...13About provisioning...

After the above procedures, the Storage Administrators in A and B divisions can access the resourcegroups allocated to their own division.Meta_resourc

DescriptionItemDisplays the mirror unit number of the pair.Mirror UnitDisplays the View Pair Properties.DetailCnt Ac-S Pairs tableDescriptionItemDispl

DescriptionItemDisplays Port ID, Host Group ID, and LUN ID of the remote storage system.Remote Storage System - Port ID, HostGroup ID, LUN IDDisplays

Components tabDescriptionItemChassis identifier of the storage system.Chassis IDChassis type.Chassis TypeOpens a window where you can export configura

MP Blades tabDescriptionItemIdentifier of the MP blade.MP Blade IDName of the MP blade.MP Blade NameStatus of the MP blade.StatusNormal: Available.War

Edit MP Blades windowDescriptionItemSpecify whether to automatically assign an MP blade to resources (logicaldevices, external volumes, and journal vo

DescriptionItemMP blade identifier.MP Blade IDCluster number of the MP blade.ClusterIndicates whether automatic assignment of MP blades is in use.Auto

DescriptionItemChange the MP blade assigned to the LDEV.MP BladeMP blade ID: The selected MP blade is assigned to the LDEV.Assign MP Blade Confirm win

Selected LDEVs tableDescriptionItemLDEV identifier, which is the combination of LDKC, CU, and LDEV.LDEV IDLDEV name.LDEV NameParity group identifier.P

DescriptionItemTSE: TSE-VOL.Hyphen (-): Volume in which the attribute is not defined.MP blade identifier to be set.MP Blade IDView Management Resource

D Thin Provisioning and Smart Tiers GUI referenceThe Thin Provisioning and Smart Tiers windows, wizards, and dialog boxes are described in thefollowin

Resource group license requirementsUse of Resource Partition on the HP XP7 Storage requires the following:• A license key for Resource Partition softw

DescriptionItemFS: Displays the remaining physical pool capacity that is configurable for Fast Snap.Displays information about the THP V-VOL capacity.

DescriptionItemDisplays information about the pool status.StatusNormal: Pool is in a normal status.Warning: Pool-VOL in the pool is blocked, or the po

DescriptionItemDisplays the data drive type and RPM of the pool. If multiple drive types or RPMsexist in a pool, this field indicates that drive types

DescriptionItemDisplays the Expand Pool window.Expand PoolDisplays the Delete Pools window.Delete Pools2Displays the Restore Pools window.Restore Pool

Pools: Volume tabs314 Thin Provisioning and Smart Tiers GUI reference

• “Summary”• “Pool Volumes tab”• “Virtual Volumes tab”• “Primary Volumes tab”SummaryDescriptionItemDisplays information about the pool status.StatusNo

DescriptionItemFor a Thin Provisioning Z pool, Mainframe THP is displayed.For a Smart Tiers Z pool, Mainframe Smart is displayed.For a Fast Snap pool,

DescriptionItemDisplays the latest monitoring data.Recent Monitor Data• If the monitoring data exists, the monitoring period of time is displayed.Exam

DescriptionItemLDEV identifier, which is the combination of LDKC, CU, and LDEV.LDEV IDDisplays the LDEV name.LDEV NameDisplays the following informati

DescriptionItemExternal: External volume.Displays whether the pool-VOL can be removed while the pool is being shrunk,a hyphen (-) is displayed.Shrinka

3. Enter a resource group name in the Create Resource Groups window.Parity groups, LDEVs, ports, or host groups can be specified as follows:1. Click S

DescriptionItemBlocked: Host cannot access a blocked volume.Warning: Problem occurs in the volume.Formatting: Volume is being formatted.Preparing Quic

DescriptionItemHyphen (-): V-VOL is not the Smart Tiers V-VOL.Displays whether tier relocation is set to enabled or disabled. If the Smart Tiersor Sma

DescriptionItemDisplays the Shred LDEVs window.Shred LDEVs2Displays the Delete LUN Paths window.Delete LUN Paths2Displays the Block LDEVs window.Block

DescriptionItemNormal: Normal status.StatusBlocked: Host cannot access a blocked volume.Warning: Problem occurs in the volume.Formatting: Volume is be

Create Pools wizardCreate Pools windowUse this window to create new pools for Thin Provisioning, Fast Snap.CAUTION: When you create the Thin Provision

When selecting pool-VOL automaticallyCreate Pools wizard 325

Setting fieldsDescriptionItemSelect the pool type.*Pool TypeFor Fast Snap, select Fast Snap.For following program products, select Thin Provisioning.•

DescriptionItem• Thin Provisioning Z• Smart Tiers ZSelect the system type.*System TypeIf you select Fast Snap, only Open is displayed.If Smart Tiers o

DescriptionItemIf you specify the pool ID which is used already, the minimum pool ID after thatthe specified pool ID is automatically set.Set the subs

CAUTION: When you create the Thin Provisioning or Thin Provisioning Z pool, if you specifyMixable for RAID level to display the Select Pool VOLs windo

7. In the Confirm window, confirm the settings, in Task Name type a unique name for this taskor accept the default, and then click Apply.If Go to task

Selected Pools tableDescriptionItemDisplays the pool name and pool ID.Pool Name (ID)Displays RAID level of the pool. If multiple RAID levels exist in

DescriptionItemDisplays the total capacity of the created pool in the specified unit.CapacityFor open systems, the displayed capacity is approximately

DescriptionItemTier 1: If you make the Smart Tiers or Smart Tiers Z function available, the bufferspace for tier relocation to tier 1 is displayed. If

DescriptionItemDisplays the pool name and pool ID.Pool Name (ID)Displays the RAID level. If multiple RAID levels exist in a pool, this field indicates

DescriptionItemDisplays the subscription limit.Subscription Limit (%)For Fast Snap pool, a hyphen (-) is displayed.Displays the number of pool-VOLs.Nu

DescriptionItemThe Drive Type/RPM of the selected pool or Mixable is displayed. When thevolume is the external volume, Drive Type displays External St

Selected Pool tableDescriptionItemDisplays the pool name and pool ID.Pool Name (ID)Selected Pool Volumes tableDescriptionItemDisplays LDEV identifier,

DescriptionItemSelect the check box, then Enable or Disable when using or not using Smart Tiersor Smart Tiers Z.Smart PoolA pool that consists of the

DescriptionItemIf TSE-VOL is assigned to the selected pool, the pool cannot be changed fromDisable to Enable.Specifies the performance monitoring, tie

DescriptionItem• For the mainframe system, when the current subscription setting is unlimitedand the value calculated by the following formula exceeds

5. In the Confirm window, confirm the settings, in Task Name type a unique name for this taskor accept the default, and then click Apply.If you select

DescriptionItemDisplays the pool name and pool ID.Pool Name (ID)Displays the RAID level. If multiple RAID levels exist in a pool, this field indicates

DescriptionItemFor a Thin Provisioning pool, THP is displayed.For a Smart Tiers pool, Smart is displayed.For a Thin Provisioning Z pool, Mainframe THP

DescriptionItemTier 3: If you make the Smart Tiers or Smart Tiers Z function available, and tier3 exists, the buffer space for tier relocation to tier

DescriptionItemDisplays the pool threshold.User-Defined Threshold (%)• Warning: Warning threshold is displayed.• Depletion: Depletion threshold is dis

DescriptionItemDisplays the pool name and pool ID.Pool Name (ID)Displays the RAID level.RAID LevelIf multiple RAID levels exist in a pool, this field

DescriptionItemDisplays the number of pool-VOLs.Number of Pool VOLsDisplays the Pool Properties window when a row is selected, and shows theerror wind

DescriptionItemSelect this check box when you specify the total capacity of V-VOL.Specify total capacitySelect this check box when you specify the add

Expand V-VOLs Confirm windowConfirm proposed settings, name the task, and then click Apply. The task will be added to theexecution queue.DescriptionIt

DescriptionItemDisplays the pool name and pool ID.Pool Name (ID)Displays the emulation type.Emulation TypeDisplays the capacity of the LDEV.Capacity•

Restore Pools windowDescriptionItemDisplays the pool name and pool ID.Pool Name (ID)Displays the RAID level.RAID LevelIf multiple RAID levels exist in

Thin ProvisioningThe following table provides information about specific Thin Provisioning conditions that must beobserved when using Resource Partiti

DescriptionItemDisplays the pool threshold.User-Defined Threshold (%)• Warning: Warning threshold is displayed.• Depletion: Depletion threshold is dis

Shrink Pool windowShrink Pool window 351

Prediction Result of Shrinking tableDescriptionItemDisplays the pool name and pool ID.Pool Name (ID)Displays the pool threshold.User-Defined Threshold

Stop Shrinking Pools windowDescriptionItemDisplays the pool name and pool ID.Pool Name (ID)Displays the RAID level.RAID LevelIf multiple RAID levels e

DescriptionItemDisplays the pool capacity.CapacityDisplays the pool type.Pool TypeFor a Thin Provisioning pool, THP is displayed.For a Smart Tiers poo

Complete SIMs windowDescriptionItemConfirm the settings, type a unique task name or accept the default, and thenclick Apply.Task NameA task name is ca

Select Pool VOLs windowUse this window to add pool-VOLs to a pool. Up to 1024 volumes can be added including thevolumes already in the pool. Only the

Available Pool Volumes tableSelect Pool VOLs window 357

Only the LDEVs assigned to the user are displayed.DescriptionItemDisplays the LDEV identifier, which is the combination of LDKC, CU, and LDEV.LDEV IDD

Selected Pool Volumes tableDescriptionItemDisplays the LDEV identifier, which is the combination of LDKC, CU, and LDEV.LDEV IDSelect Pool VOLs window

ConditionOperation nameWhen you specify LDEVs and open the Add LUN paths window, the specifiedLDEVs must be assigned to the Storage Administrator grou

DescriptionItemLDEV Name Displays the LDEV name.Displays the pool-VOL capacity.CapacityDisplays the parity group ID.Parity Group IDDisplays the RAID l

Reclaim Zero Pages windowDescriptionItemDisplays the LDEV identifier, which is the combination of LDKC, CU, and LDEV.LDEV IDDisplays the LDEV name.LDE

Stop Reclaiming Zero Pages windowDescriptionItemDisplays the LDEV identifier, which is the combination of LDKC, CU, and LDEV.LDEV IDDisplays the LDEV

Pool Properties tableDescriptionItemDisplays the pool name and pool ID.Pool Name (ID)Displays the pool type.Pool TypeFor a Thin Provisioning pool, THP

View Tier Properties windowThis window shows tier properties and a performance graph:• “For pools”• “For V-VOLs”When the pool name (pool ID) appears i

Tier Properties tableDescriptionItemDisplays the pool name and ID.Pool Name(ID)Displays the tier names: Tier1, Tier2, Tier3, and Total. Each column di

DescriptionItemappears. The vertical scale indicates the average number of I/Os on an hourlybasis. The number of I/Os is a weighted, averaged with the

The following table describes these items.DescriptionItemThe capacity (GB) of the area from the dot of the maximum value on the verticalscale to a spe

Recent Tier Utilization (monitoring period) tableDescriptionItemIf a error occurs, a message appears.Header areaDisplays the tier names: Tier1, Tier2,

A maximum of 127 dots is shown in the graph. The following information appears over a dot inthe graph depending on where the cursor is placed.• Capaci

Performance MonitorThe following table provides information about specific Performance Monitor conditions that mustbe observed when using Resource Par

Monitor Pools windowSelected Pools tableDescriptionItemDisplays the pool name and pool ID.Pool Name (ID)Displays the number of pool-VOLs in the select

DescriptionItemFor the pool of Thin Provisioning, Smart Tiers, and Fast Snap, a hyphen (-) isdisplayed if the unit of capacity is changed into Cylinde

DescriptionItemFor the pool of Thin Provisioning, Smart Tiers, and Fast Snap, a hyphen (-) isdisplayed if the unit of capacity is changed into Cylinde

DescriptionItemFor the pool of Thin Provisioning, Smart Tiers, and Fast Snap, a hyphen (-) isdisplayed if the unit of capacity is changed into Cylinde

DescriptionItemDisplays the information about the pool capacity.Capacity• Total: Total capacity of pool.Using Option, you can select unit of capacity.

View Pool Management Status windowPool Management Status tableDescriptionItemDisplays the pool name and pool ID.Pool Name (ID)Displays the pool type.P

DescriptionItemIf you select a Thin Provisioning, Smart Tiers, Thin Provisioning Z, or a SmartTiers Z pool, this item appears.Displays the number of p

DescriptionItemDisplays the used and total pool capacity. If the pool consists of multiplepool-VOLs, the sum of its capacities is displayed in the Tot

DescriptionItem-: V-VOL is not the V-VOL of Smart Tiers or Smart Tiers Z V-VOL.Displays the new page assigned tier.New Page Assignment TierHigh: High

DescriptionItemDisplays the pool usage ratio.Pool Usage(%)Information about the virtual storage machine.Virtual Storage MachineModel / Serial Number:

ConditionOperation nameSuspend pairsResynchronize pairsRelease pairsContinuous Access SynchronousThe following table provides information about specif

DescriptionItemDisplays the tier rank of the external volume.External LDEV Tier RankChanges the tier rank of the selected pool-VOL to High, Middle, or

Edit Tiering Policies wizardEdit Tiering Policies windowEdit Tiering Policies wizard 381

Tiering Policies tableDescriptionItemDisplays the ID of the tiering policy.IDDisplays the name of the tiering policy.Tiering PolicyDisplays the maximu

Edit Tiering Policies Confirm windowTiering Policies tableDescriptionItemDisplays the ID of the tiering policy.IDDisplays the name of the tiering poli

DescriptionItemDisplays the maximum percentage that is allocated to tier 1 in the total capacityto which tier relocation is performed. For a policy wi

Change Tiering Policy tableDescriptionItemDisplays the tiering policy name and policy ID.Tiering PolicySelect the maximum percentage that is allocated

Change Pool Configuration Pattern WindowFor Thin Provisioning or Thin Provisioning Z poolsWhen you create a Thin Provisioning or Thin Provisioning Z p

For Smart Tiers or Smart Tiers Z poolsWhen you create a Smart Tiers or Smart Tiers Z pool, the following table is displayed.Pool Configuration Pattern

DescriptionItemRAID Level: Displays the RAID level of pool-VOLs.Rate (%): Displays the percentage of the tier 3 against the total capacity of thepool.

E Data Retention GUI referenceSections in this appendix describe the Data Retention windows, wizards, and dialog boxes usedto assign access attributes

ConditionOperation nameJournal volumes must be assigned to the user.Assign MP BladeOperation can be performed with no conditions.Edit Remote Connectio

Volume listThe volume list provides information about access attributes that are assigned to volumes.DescriptionItemLDEV number.LDEV• : Read/write• :

DescriptionItem• Zer/Inv. Both Zero Read Cap mode and Invisible mode are assigned to the volume.• Hyphen (-): No mode is assigned by RAID Manager to t

F LUN Manager GUI referenceSections in this appendix describe the LUN Manager windows, wizards, and dialog boxes usedin managing logical units.Port/Ho

Host Groups tabThis tab provides information about the host groups that are assigned to the logged-on user.DescriptionItemIdentifier of the port.Port

DescriptionItemOpens the Remove Hosts window.Remove HostsOpens a window where you can export configuration information listed in thetable to a file th

DescriptionItemName of the host.Host NameName of the host group.Host Group NameOpens the Add to Host Groups window.Add to Host GroupsOpens the Delete

DescriptionItemLUN security setting (Enabled or Disabled) on the port.SecurityAttribute of the port indicating I/O flow.Attribute• Initiator: Issues I

DescriptionItemOpens the Delete Host Groups window.Delete Host Groups2Opens the Edit Host Groups window.Edit Host Groups2Opens the Create Alternative

Port/Hosts Groups: Hosts, LUNs, and Host Mode Options tabs• “Summary”• “Hosts tab”• “LUNs tab”• “Host Mode Options tab”SummaryDescriptionItemName of t

DescriptionItemOpens the Add Hosts window.Add HostsOpens a window where you can export configuration information listed in thetable to a file that can

Managing Resource Groups...33Changing the name of a

ConditionOperation nameWhen you specify a path group and open the Add External Volumes window, allthe ports that compose the path group must be assign

DescriptionItemLevel1(1) to Level31(31): Policy selected from Level1 to Level31, set to the V-VOL.-: The logical volume is not the Smart Tiers or Smar

DescriptionItemOpens the Edit Host Group window.Edit Host GroupsOpens a window where you can export configuration information listed in thetable to a

Available LDEVs table402 LUN Manager GUI reference

This table lists logical volumes for which LU paths can be established. Only the LDEVs availableto the logged-on user are available.DescriptionItemLDE

Selected LDEVs tableDescriptionItemLDEV identifier, which is the combination of LDKC, CU, and LDEV.LDEV IDName of the LDEV.LDEV NameIdentifier of the

DescriptionItemPool name and pool identifier.Pool Name (ID)If the LDEV is not used as a pool-VOL, a hyphen (-) appears.Emulation type for each logical

Select Host Groups window406 LUN Manager GUI reference

Available Host Groups tableThis table lists host groups for which LU paths can be established. Only the host groups assignedto the logged-on user are

DescriptionItemThe host mode of the host group.Host ModeAttribute of the port indicating I/O flow.Port Attribute• Initiator: Issues I/O commands to a

Selected Host Groups tableDescriptionItemIdentifier of the port.Port IDName of the host group.Host Group NameThe host mode of the host group.Host Mode

Open Volume ManagementThe following table provides information about specific Open Volume Management conditionsthat must be observed when using Resour

DescriptionItemAttribute of the port indicating I/O flow.Port Attribute• Initiator: Issues I/O commands to a target port when I/O is executedbetween s

Added LUNs tableDescriptionItemLDEV identifier, which is the combination of LDKC, CU, and LDEV.LDEV IDName of the LDEV.LDEV NameIdentifier of the pari

Added LUNs tableDescriptionItemIdentifier of the LDEV.LDEV IDName of the LDEV.LDEV NameIdentifier of the parity group.Parity Group IDPool names and po

DescriptionItemNumber of assigned LUNs for the relevant LDEV.LUN ID ((number of LUNs) Sets ofPaths)Name of the port and the host group of the assigned

DescriptionItemSelect the host mode from the list.Host ModeAdds the settings to the Selected Host Groups table.AddAvailable Hosts table414 LUN Manager

This table lists information about the registered hosts.DescriptionItemIdentifier of the port.Port IDWWN of the port.HBA WWNName of the host.Host Name

Selected Host Groups tableDescriptionItemIdentifier of the port.Port IDName of the host group.Host Group NameThe host mode of the host group.Host Mode

DescriptionItemAttribute of the port indicating I/O flow.Port Attribute• Initiator: Issues I/O commands to a target port when I/O is executedbetween s

Create Host Groups tableDescriptionItemIdentifier of the port.Port IDName of the host group.Host Group NameThe host mode of the host group.Host ModeAt

DescriptionItemSpecify the name of the host group.Host Group nameHost group name can be up to 64 single-byte ASCII characters(alpha-numerals and symbo

Volume ShredderThe following table provides information about specific Volume Shredder conditions that must beobserved when using Resource Partition.C

Host Mode Options tableTo set the host mode option, select a host mode option, and then click Enable. If you do not needa host mode option, select an

Selected Host Groups tableDescriptionItemIdentifier of the port.Port IDName of the host group.Host Group NameThe host mode of the host group.Host Mode

DescriptionItem• RCU Target: Receives I/O commands from an initiator when I/O isexecuted between storage systems with Continuous Access Synchronous,an

DescriptionItemIdentifier of the port.Port IDName of the host group.Host Group NameThe host mode of the host group.Host ModeAdd to Host Groups wizard

DescriptionItemAttribute of the port indicating I/O flow.Port Attribute• Initiator: Issues I/O commands to a target port when I/O is executedbetween s

DescriptionItemIdentifier of the port.Port IDName of the host group.Host Group NameThe host mode of the host group.Host ModeAdd to Host Groups wizard

DescriptionItemAttribute of the port indicating I/O flow.Port Attribute• Initiator: Issues I/O commands to a target port when I/O is executedbetween s

Selected Hosts tableThis table lists the hosts selected to be added to a host group.DescriptionItemWWN of the port.HBA WWNName of the host.Host NameAd

Selected Host Groups tableA list of host groups to which hosts are registered.DescriptionItemIdentifier of the port.Port IDName of the host group.Host

Add Hosts wizard (when specific hosts group is selected)Add Hosts windowAvailable Hosts tableThis table lists the hosts that can be registered in the

4 Configuring custom-sized provisioningConfiguring custom-sized provisioning involves creating and configuring a customized volume(CV). A CV is a fixe

DescriptionItemIdentifier of the port.Port IDWWN of the port.HBA WWNName of the host.Host NameName of the host group.Host Group Name430 LUN Manager GU

DescriptionItemIndicates whether this is a newly added host.New Host• Yes: The host is newly added and has never been connected via a cableto any port

DescriptionItemIdentifier of the port. This field is blank for the host created by clicking AddNew host.Port IDWWN of the port.HBA WWNName of the host

DescriptionItemName of the host group. Note that this field is blank for the host createdby clicking Add New host.Host Group NameIndicates whether thi

Selected Host Groups tableThis table lists the selected hosts.DescriptionItemIdentifier of the port.Port IDName of the host group.Host Group NameThe h

Delete LUN Paths wizardDelete LUN Paths windowSelected LUN Paths tableThis table provides information about the selected LUN paths.DescriptionItemIden

DescriptionItemRemoves LUN paths from the Selected LUN Paths table.Remove from Delete processRemoves LUN paths from the Selected LUN Paths table.Delet

DescriptionItemName of the LDEV.LDEV NameName of the host group.Host Group NameSize of each logical volume.CapacityDisplays the attribute of the LDEV.

Edit Host windowDescriptionItemSpecify the WWN of the port in 16 digits of hexadecimal numbers.HBA WWNSpecify the host name.Host NameHost name can be

Selected Hosts tableDescriptionItemIdentifier of the port.Port IDWWN of the port.HBA WWNName of the host.Host NameEdit Ports wizardUse this wizard to

Open systemParameter48,000 KB (50 cylinders)36,000 KB (+ control cylinders)Minimum size for one Virtual LUNvolumeSee “CV capacity by emulation type fo

Edit Ports windowDescriptionItemAttribute of the port indicating I/O flow.Port Attribute• Initiator: Issues I/O commands to a target port when I/O is

DescriptionItemof the CHF port as 16-Gbps. If the Auto Negotiation setting is required, thelinkup may become improper at server restart. Check a chann

Selected Ports tableDescriptionItemIdentifier of the port.Port IDAttribute of the port indicating I/O flow.Attribute• Initiator: Issues I/O commands t

Create Alternative LUN Paths wizardCreate Alternative LUN Paths windowDescriptionItemSelect the resource group in which the host group is created. If

DescriptionItemIdentifier of the port.Port IDAttribute of the port indicating I/O flow.Attribute• Initiator: Issues I/O commands to a target port when

DescriptionItem• RCU Target: Receives I/O commands from an initiator when I/O isexecuted between storage systems with Continuous Access Synchronous,an

Selected Ports tableDescriptionItemIdentifier of the port.Port IDAttribute of the port indicating I/O flow.Attribute• Initiator: Issues I/O commands t

DescriptionItemTarget: Receives I/O commands from a host.•• RCU Target: Receives I/O commands from an initiator when I/O isexecuted between storage sy

DescriptionItemThe host mode of the host group.Host ModeAttribute of the port indicating I/O flow.Port Attribute• Initiator: Issues I/O commands to a

Copy LUN Paths wizardCopy LUN Paths windowCopy LUN Paths wizard 449

remaining free space generated when multiple CVs are created may be smaller than the free spacein the parity group when one CV is created.When using R

Available Host Groups tableThis table lists the host groups for which LU paths can be copied. Only the host group assigned tothe logged-on user are av

DescriptionItemThe host mode of the host group.Host ModeAttribute of the port indicating I/O flow.Port Attribute• Initiator: Issues I/O commands to a

Selected Host Groups tableDescriptionItemIdentifier of the port.Port IDName of the host group.Host Group NameThe host mode of the host group.Host Mode

DescriptionItemAttribute of the port indicating I/O flow.Port Attribute• Initiator: Issues I/O commands to a target port when I/O is executedbetween s

Selected Host Groups tableDescriptionItemIdentifier of the port.Port IDName of the host group.Host Group NameThe host mode of the host group.Host Mode

Remove Hosts wizardRemove Hosts windowSelected Hosts tableDescriptionItemIdentifier of the port.Port IDWWN of the port.HBA WWNName of the host.Host Na

DescriptionItemName of the host group.Host Group NameIf this check box is selected, selected hosts are removed from all host groupscontaining the host

Selected Hosts tableDescriptionItemIdentifier of the port.Port IDWWN of the port.HBA WWNName of the host.Host NameName of the host group.Host Group Na

DescriptionItemThe following rules apply to UUID:• These characters cannot be used: \ / : , ; * ? " < > |• A space character cannot be used

Selected LUNs tableDescriptionItemIdentifier of the port.Port IDLogical units whose UUID has been changed.LUN IDLDEV identifier, which is the combinat

ceil(ceil(user-specified-CV-capacity * 1024 / capacity-of-a-slot) / 15) * capacity-of-a-slot * 15 where• the value enclosed in ceil( ) must be rounded

Add New Host windowDescriptionItemSpecify the WWN of the port in 16 digits of hexadecimal numbers.HBA WWNSpecify the host name.Host NameAs a host name

Setting fieldDescriptionItemSpecify the initial LUN ID. If multiple LUs are selected, LUN IDs are setconsecutively from the specified LUN ID.Initial L

DescriptionItemLUN security setting (Enabled or Disabled) on the port.Port SecurityNumber of hosts registered in the host group.Number of HostsDetails

Delete UUIDs windowSelected LDEVs tableDescriptionItemLDEV identifier, which is the combination of LDKC, CU, and LDEV.LDEV IDName of the LDEV.LDEV Nam

464 LUN Manager GUI reference

Host Group Properties tableDescriptionItemIdentifier of the port.Port IDName of the host group.Host Group NameThe host mode of the host group.Host Mod

LUN Properties window466 LUN Manager GUI reference

LUN Properties tableThis table provides information about the selected LUN.DescriptionItemIdentifier of the selected logical unit.LUN IDLDEV identifie

DescriptionItemDevice Name: Virtual device name, which is a combination of the virtualemulation type, virtual LUSE volume number, and the virtual CVS

Port treeThe Port tree provides information about user authentication on each port.Double-click the Fibre folder to show the fibre channel ports in th

the capacity values shown might have a margin of error due to unit conversion reasons. If youneed to know the exact LDEV capacity, select block as the

Fabric Switch information listDescriptionItemFibre channel port name.Port NameUser name of the fabric switch.User NameMode of authentication between p

Double-click the Fibre folder to view all fibre channel ports in the storage system. The Fibre folderis available only if the storage system contains

Add New User Information (Host) windowDescriptionItemSelect the group name where the user will be registered.Group NameSpecify the user name of the ho

Clear Authentication information windowDescriptionItemItem number.NoGroup name to be deleted.Group NameThe name of the user to be deleted.User NameSpe

example, RAID Manager commands can be used to create and split pairs. If you want to allowthe System Administrator to enter RAID Manager commands from

DescriptionItemSelect Enable to enable command devices. Select Disable to releasecommand devices.Command DeviceSelect Enable to apply command device s

Selected LDEVs tableDescriptionItemLDEV identifier, which is the combination of LDKC, CU, and LDEV.LDEV IDName of the LDEV.LDEV NameIdentifier of the

DescriptionItemIndicates whether user authentication is applied to the selected commanddevice.User Authentication• Enabled: User authentication is app

DescriptionItem• Mainframe Reserved: LUN is reserved by the mainframe system.• ACA Active: LUN is in the ACA active status.Information about the virtu

DescriptionItemLDEV identifier, which is the combination of LDKC, CU, and LDEV.LDEV IDDisplays names of LDEVs.LDEV NameDisplays the number of paths se

As the result of the Virtual LUN operations, a parity group contains FVs, CVs, and free spaces thatare delimited in logical cylinders. Sequential free

Login WWNs tableDescriptionItemDisplays names of ports.Port IDDisplays the HBA WWNs and their icons.HBA WWNDisplays the names of hosts.Host NameDispla

Glossaryallocation The ratio of allocated storage capacity versus total capacity as a percentage. Allocated storagerefers to those logical devices (LD

to be associated with 1 to 36 LDEVs. Essentially, LUSE makes it possible for applications to accessa single large pool of storage.M-VOL Main volume.MC

IndexAaccess attributesassigning to a volume, 159changing to read-only or protect, 159changing to read/write, 161configuring, 157expiration lock, 161o

host authenticationdisabling in a host group, 191enabling in a host group, 191host bus adapterschanging WWNs, 199deleting from host group, 200host gro

portsmutual authentication, 191rules, restrictions, and guidelines, 165provisioning key terms, 21QQuick Format function, 56RRAID levelsboundary values

HP subscription service, 210websitesHP , 211product manuals, 210World Wide Name, 173WWN, 173changing, 199deleting from WWN table, 201deleting old WWNs

Procedure 6 To create an LDEV1. In the Remote Web Console main window, in the Storage Systems tree, select the resource toview in the tab, and then cl

Assigning an MP blade ...59Assigning an MP blad

9. In Number of LDEVs, type the number of LDEVs to be created.• If you create internal volume, Number of LDEVs per Free Space appears.• If you create

18. If necessary, change the following LDEV settings:• Click Edit SSIDs to open the SSIDs window. If the new LDEV is to be created in the CU,you can c

4. In the Change SSIDs window, type the new SSID, and then click OK.5. In the Edit SSIDs window, click OK.6. In the Create LDEVs window, click Finish.

1. In the Storage Systems tree of the Remote Web Console main window, select the resource ofthe tab you want to view.2. If Blocked does not appear in

3. Select the LDEV.You can select multiple LDEVs that are listed together or separately.4. Open the Restore LDEVs window in one of 2 ways.• Click More

You can convert one or more of the LDEVs on a selected parity group into free space by deletingthe LDEVs. That free space can be used to either create

The following table lists which formatting functions can be used on which LDEV types.Corresponding volumeFormatting functionInternal volumeNormal Form

Particularly, in the following cases of quick format operations, due to the load concentration on aspecific component at the same time, the I/O perfor

DescriptionItemgroups that have not undergone but can undergo Quick Format, use the followingformula:72 - X - YWhere:X indicates the number of parity

2. Click Format LDEVs.When you select one of the following tabs, click More Actions and select Format LDEVs.• LDEVs tab, which appears when Logical De

Assignment tier when pool-VOLs are deleted...107Formatted pool capacity...

6. In the Confirm window, confirm the settings, in Task Name type a unique name for this taskor accept the default, and then click Apply.If Go to task

5 Configuring thin provisioningThin provisioning technology allows you to allocate virtual storage capacity based on anticipatedfuture capacity needs,

RequirementsItemsHowever, the upper limit of total capacity of all pools is 12.3 PB if shared memory is installed.From 1 to 1,024 volumes (per pool).M

RequirementsItems• Volumes whose LDEV status is other than Normal or Normal (Quick Format)You cannot specify volumes in blocked status or volumes in c

RequirementsItemsThe LDEV format operation can be performed on pool-VOLs if one of these conditions is satisfied:LDEV format• The THP V-VOL defined fo

The following requirements are important when increasing the THP V-VOL capacity:• The THP V-VOL to be increased is not shared with a HP XP7 Storage pr

Pool Capacity ConsumedMetadata WritingFile SystemOSeffectiveness of reducing the poolcapacity consumption decreases.OWrites metadata in AllocationGrou

Using Thin Provisioning or Smart Tiers with other HP XP7 Storage productsInteroperability of THP V-VOLs and pool-VOLsTHP V-VOLs and pool-VOLs can be u

Not permittedPermittedProduct name (Guide name)volume, secondary volume, orprimary volume.a THP V-VOL that has OPEN-Vemulation type.• Increasing the c

Reclaim zero pages from RAID ManagerReclaim zero pages from Remote WebConsolePair statusDisabledDisabledCOPY(RS-R)/RCPYDisabledDisabledPSUEContinuous

Managing pools and THP V-VOLs...143Viewing pool information...

Figure 2 Using Thin Provisioning or Smart Tiers and Continuous Access JournalThe following table lists the supported Continuous Access Journal and Thi

Figure 3 Using Thin Provisioning or Smart Tiers and Business CopyExplanationBusiness Copy S-VOLBusiness Copy P-VOLSupported.THP V-VOLsTHP V-VOLsSuppor

Figure 4 Using Thin Provisioning or Smart Tiers and Auto LUNExplanationAuto LUN target volumeAuto LUN source volumeSupported.THP V-VOLsTHP V-VOLsSuppo

For detailed information about CLPRs, see the HP XP7 Cache Partition User Guide.Resource PartitionSee “Resource group rules, restrictions, and guideli

Smart TiersAbout tiered storageIn a tiered storage environment, storage tiers can be configured to accommodate different categoriesof data. A tier is

In Auto execution mode, monitoring and relocation are continuous and automatically scheduled.In Manual execution mode, the following operations are in

In both execution modes, relocation of data is automatically determined based on monitoringresults. The settings for these execution modes can be chan

• Auto execution modeAuto execution mode performs monitoring and tier relocation based on information collectedby monitoring at a specified constant f

In auto execution mode, the collection of monitoring data and tier relocation operations areperformed in parallel in the next cycle. Data from these p

Figure 7 Collection of monitoring data to tier relocation workflow in manual execution modeCase 1: If the second collection of the monitoring informat

Host modes for host groups...170Host mode options...

In that case, the third collection of the monitoring information is started after the first tier relocationis stopped or tier relocation has completed

Explanation of the relocation flow:1. Allocate pages and map them to THP V-VOLsPages are allocated and mapped to THP V-VOLs on an on-demand basis. Pag

4. Determine the tier range valuesThe page is allocated to the appropriate tier according to performance monitoring information.The tier is determined

allocated during the monitoring cycle. Pages that are not allocated during performancemonitoring are not candidates for tier relocation.• Tier relocat

SolutionsTier relocationoperationsStatus of fixedmonitoringinformation used intier relocationStatus of datacollection inprogressMonitoringinformation

SolutionsTier relocationoperationsStatus of fixedmonitoringinformation used intier relocationStatus of datacollection inprogressMonitoringinformation

Setting external volumes for each tierIf you use external volumes as pool-VOLs, you can put the external volumes in tiers by setting theExternal LDEV

Figure 10 Workflow of a new page assignmentTier relocation workflow: Tier relocation is performed taking advantage of the buffer space allocatedfor ti

Manual execution modeIn Manual execution mode, you can manually collect monitoring data and relocate a tier. You canissue commands to manually:1. Star

• The latest available monitoring information, which is collected just before the relocation isperformed, is used for the relocation processing.• When

8 Troubleshooting...202Troubleshooting Virtual LUN...

• Relocation Result on “Pools window” (page 309), “Pools: Volume tabs” (page 314), and “ViewPool Management Status window” (page 375).Displays the sta

Notes on performing monitoring• You can collect the monitoring data even while performing the relocation.• After stopping the monitoring, the tier ran

◦ MON: The performance monitor is operating. The tier relocation is stopped.◦ RLM: The performance monitor and the tier relocation are operating.• DAT

performing the tier relocation based on the weighted average efficiency, even if a temporarydecrease or an increase of the I/O load occurs, unnecessar

Notes on performing monitoring• You can collect a new cycle of monitoring data while performing relocation.• After monitoring stops, the tier range is

DescriptionType of informationDoes each V-VOLoutput the loginformation?Does each pooloutput the loginformation?ItemTotal pages of tier 2.Capacityinfor

DescriptionType of informationDoes each V-VOLoutput the loginformation?Does each pooloutput the loginformation?ItemAccess Synchronous pair and an init

DescriptionType of informationDoes each V-VOLoutput the loginformation?Does each pooloutput the loginformation?ItemPerformance utilization of tier 1.

Tiering policy expansionIn the current release, the tiering policy concept has been expanded to provide new options:• Custom policies. You can define

The following figure shows an example of data allocation when setting the tiering policy to Level1(1)(see Level1(1) in “Tiering policy levels” (page 1