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HP StorageWorksBusiness Copy XP user guidefor the XP10000/XP12000Part number: T1713-96002Second edition: December 2005

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Business Copy XP user guide for the XP10000/XP12000 111 Business Copy XP (BC) for the XP10000/XP12000HP StorageWorks Business Copy XP (BC) maintains i

12 Business Copy XP (BC) for the XP10000/XP12000• ”BC software on the Command View XP management station” on page 13Figure 1 BC overviewUse BC from th

Business Copy XP user guide for the XP10000/XP12000 13S-VOL updates) is copied to the S-VOL, so the S-VOL is again identical to the P-VOL. For reverse

14 Business Copy XP (BC) for the XP10000/XP12000BC requirements for XP12000 and XP10000BC operations provide disk array-internal copies of UNIX/PC ser

Business Copy XP user guide for the XP10000/XP12000 15Maximum number of pairs for the XP10000/XP12000When you create BC pairs, resources called differ

16 Business Copy XP (BC) for the XP10000/XP12000• Hitachi FlashCopy Mirroring version 2• Flex Copy XP• Auto LUN XP• Snapshot XPFor more information, r

Business Copy XP user guide for the XP10000/XP12000 17Calculating the number of differential tables for one BC pairWhen you create a BC pair, the numb

18 Business Copy XP (BC) for the XP10000/XP12000Table 6 shows the relationship between emulation type, capacity, and differential tables. Table 7 show

Business Copy XP user guide for the XP10000/XP12000 19Up to 314.3GB 21 Up to 793.3GB 53 Up to 1,272.3GB 85Up to 329.3GB 22 Up to 803.3GB 54 Up to 1,28

Legal and notice information© Copyright 2005 Hewlett-Packard Development Company, L.P.Confidential computer software. Valid license from HP required f

20 Business Copy XP (BC) for the XP10000/XP12000If you intend to create pairs with volumes of different emulation types, the maximum number of pairs y

Business Copy XP user guide for the XP10000/XP12000 21• = 13,652 when additional shared memory for differential tables is not installed.• = 30,718 w

22 Business Copy XP (BC) for the XP10000/XP12000CAUTION: If a copy operation is completed without any host I/O, the data in the P-VOL and S-VOL may no

Business Copy XP user guide for the XP10000/XP12000 23• If shared memory is lost (for example, offline micro exchange or volatile PS on), the differen

24 Business Copy XP (BC) for the XP10000/XP12000want to finish the copy operation quickly in order to access the S-VOL, take the P-VOL offline before

Business Copy XP user guide for the XP10000/XP12000 25• Normal. This operation (see Figure 4) resynchronizes the S-VOL with the P-VOL. The copy direct

26 Business Copy XP (BC) for the XP10000/XP12000NOTE: The P-VOL remains read-enabled during the reverse pairresync operation only to enable the host t

Business Copy XP user guide for the XP10000/XP12000 27CAUTION: During a quick restore operation, the RAID levels, HDD types, and Cache LUN settings of

28 Business Copy XP (BC) for the XP10000/XP12000NOTE: When a reverse or quick restore pairresync operation is in progress, you cannot perform paircrea

Business Copy XP user guide for the XP10000/XP12000 29Pair status and time required for pairresyncThe pairresync operation can be performed on a split

Business Copy XP user guide for the XP10000/XP12000 3About this guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30 Business Copy XP (BC) for the XP10000/XP12000Use the Pairsplit-S window (see ”Deleting BC pairs (Pairsplit-S)” on page 69) to delete BC pairs. When

Business Copy XP user guide for the XP10000/XP12000 31The Quick Restore pairresync operation on a pair with status of PSUS exchanges data in the pair’

32 Business Copy XP (BC) for the XP10000/XP12000their second L2 pair. For the S-VOLs associated with each of these pairs, the MU number is once again

Business Copy XP user guide for the XP10000/XP12000 33• “MU#” in Figure 12 means MU number, which identifies each MU. MU#=1 under S-VOL1 means the MU

34 Business Copy XP (BC) for the XP10000/XP12000to the root volume regardless of the status of L1/L2 pairs. Table 13 shows the relationship between re

Business Copy XP user guide for the XP10000/XP12000 35When the At-Time Split function is enabled, data in all P-VOLs in the same consistency group is

36 Business Copy XP (BC) for the XP10000/XP12000NOTE: After the pairsplit, response time of the first I/O to each logical unit (LU) can be up to appro

Business Copy XP user guide for the XP10000/XP12000 37complete, the pair status changes to PSUS and you can access the split S-VOL. The update copy op

38 Business Copy XP (BC) for the XP10000/XP12000Cautions on switching off the power supplyTo switch off the power supply of the disk array during BC o

Business Copy XP user guide for the XP10000/XP12000 39Preparing for BC operationsSystem requirementsBC operations involve the disk array containing th

4Combining BC with LUN Security XP Extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45Copying access attrib

40 Business Copy XP (BC) for the XP10000/XP12000Combining BC with other data management operationsBC supports concurrent operations with the following

Business Copy XP user guide for the XP10000/XP12000 41• External Storage XP. BC operations can be performed with External Storage XP operations to cre

42 Business Copy XP (BC) for the XP10000/XP12000• Use BC to provide on-site backup copies of Continuous Access XP Journal P-VOLs and S-VOLs • Use Cont

Business Copy XP user guide for the XP10000/XP12000 43• Use Continuous Access XP to provide remote backup copies of BC P-VOLsFigure 18 BC and Continuo

44 Business Copy XP (BC) for the XP10000/XP12000NOTE: This configuration does not allow BC and Continuous Access XP to copy at the same time. Create t

Business Copy XP user guide for the XP10000/XP12000 45Figure 23 is an example of a volume functioning as both a Continuous Access XP S-VOL and a Conti

46 Business Copy XP (BC) for the XP10000/XP12000Copying access attributesIf you create a BC pair using volumes that LUN Security XP Extension has set

Business Copy XP user guide for the XP10000/XP12000 47CAUTION: Because the S-VOL’s access attribute is changed after copying the P-VOL’s access attrib

48 Business Copy XP (BC) for the XP10000/XP12000You can also copy access attributes of cascaded pairs. Figure 25 shows the required license capacity o

Business Copy XP user guide for the XP10000/XP12000 492. Click the Business Copy button . The BC main screen shows the name of the connected disk arr

Business Copy XP user guide for the XP10000/XP12000 52 Adding a pair in BC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

50 Business Copy XP (BC) for the XP10000/XP12000NOTE: You can filter volumes or volume pairs displayed in the Volume list on the upper-right side of t

Business Copy XP user guide for the XP10000/XP12000 51• Reserve: X(Y)/Z, where:X = total number of BC reserved volumesY = total number of BC and Shado

52 Business Copy XP (BC) for the XP10000/XP12000• Port: Port ID (cluster and channel number) of each volume. If L2 pairs exist, a different icon displ

Business Copy XP user guide for the XP10000/XP12000 53• S-Vol Path: Displays the S-VOL’s port, group, and path (LUN) of the selected pair.• Display Fi

54 Business Copy XP (BC) for the XP10000/XP12000S-Vol Path windowThis window displays information on the selected pair (all paths defined for the S-VO

Business Copy XP user guide for the XP10000/XP12000 55• Volume Type:• Internal Vol: Displays or hides internal volumes.• External Vol: Displays or hid

56 Business Copy XP (BC) for the XP10000/XP12000Use the Preset Volume list to hold multiple settings of the same operation only. You cannot display di

Business Copy XP user guide for the XP10000/XP12000 57Performing BC operationsSetting reserve attributesUse the Set Reserve Attribute window to set th

58 Business Copy XP (BC) for the XP10000/XP12000Resetting reserve attributesUse the Reset Reserve Attribute window to reset the reserve attribute for

Business Copy XP user guide for the XP10000/XP12000 59start the paircreate operations. To open the Paircreate window, select one or more SMPL volumes

619 VMA setting and availability of Paircreate operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4620 Pair status and

60 Business Copy XP (BC) for the XP10000/XP12000• SvolMode (LUN(S)): CU:LDEV of the S-VOL. NOTE: An LDEV number ending with # (for example, 00:01#) in

Business Copy XP user guide for the XP10000/XP12000 61displayed on one page. The button is unavailable if the total number of volumes defined in the d

62 Business Copy XP (BC) for the XP10000/XP12000d. Click Set to create (add) the S-VOL to the selected P-VOL. The S-VOL is displayed next to the selec

Business Copy XP user guide for the XP10000/XP12000 63pairs (see ”Creating and splitting pairs” on page 66). To open the Pairsplit window, select volu

64 Business Copy XP (BC) for the XP10000/XP12000• SvolMode (LUN(S)): CU:LDEV of the S-VOLNOTE: An LDEV number ending with # (for example, 00:01#) indi

Business Copy XP user guide for the XP10000/XP12000 65• The S-VOL List displays the following information related to S-VOLs:• Port: Port ID (cluster a

66 Business Copy XP (BC) for the XP10000/XP12000Creating and splitting pairs Use the pairsplit operation to simultaneously create and split new BC pai

Business Copy XP user guide for the XP10000/XP12000 67Resynchronizing BC pairs (Pairresync)The Pairresync window displays pair information for pairs s

68 Business Copy XP (BC) for the XP10000/XP12000• Use the Copy Pace list to select the copy pace (Slower, Medium, or Faster) for all pairs being resyn

Business Copy XP user guide for the XP10000/XP12000 695. Click OK. Repeat step 4 - step 5 until the Preset Volume list on the BC main screen displays

Business Copy XP user guide for the XP10000/XP12000 7About this guideThis guide provides information about the following:• ”Overview of BC operations”

70 Business Copy XP (BC) for the XP10000/XP12000and PSUS(SP) pairs) in the Volume list on the BC main screen, right-click the selected pairs, and sele

Business Copy XP user guide for the XP10000/XP12000 71Viewing BC pair status and historyThe History pane displays current BC pair status information a

72 Business Copy XP (BC) for the XP10000/XP12000Even if the total number of pairs is less than 500, displaying operation history may take time when so

Business Copy XP user guide for the XP10000/XP12000 73Setting BC optionsYou can set the BC options by selecting and/or clearing the option check boxes

74 Business Copy XP (BC) for the XP10000/XP120000801 The BC feature could not be used. Ensure that the disk array has the correct microcode level for

Business Copy XP user guide for the XP10000/XP12000 750852 Command Reject. P-VOL and S-VOL are used from HOST or by CA.Disconnect from the host, or ca

76 Business Copy XP (BC) for the XP10000/XP120001017 A Reserve volume cannot be set because the max. number of Reserve volumes was exceeded.Delete any

Business Copy XP user guide for the XP10000/XP12000 771047 The specified secondary volume is being used as a CA S-VOL.Delete the Continuous Access XP

78 Business Copy XP (BC) for the XP10000/XP12000109B Reverse-copy could not be accepted because P-VOL was shared with CA S-VOL whose status was not Su

Business Copy XP user guide for the XP10000/XP12000 79A Maximum pair calculationsCalculating the maximum number of Flex Copy XP copy pairsThe maximum

8Document conventions and symbolsCAUTION: Indicates that failure to follow directions could result in damage to equipment or data.IMPORTANT: Provides

80 Maximum pair calculationsCalculating the number of pairs you can createIf LUSE is not usedThe maximum number of pairs that can be created is the la

Business Copy XP user guide for the XP10000/XP12000 81You can estimate the maximum number of migration plans that can be executed concurrently by appl

82 Maximum pair calculations3390-9B 253390-9C 253390-L 233390-LA 233390-LB 233390-M 533390-MA 533390-MB 533390-MC 533390-LC 23NF80-F 22NF80-K 7NF80-KA

Business Copy XP user guide for the XP10000/XP12000 83Calculating differential tables for open-system volume migrationWhen you migrate open-system vol

84 Maximum pair calculations

Business Copy XP user guide for the XP10000/XP12000 85IndexAaccess attributescopying 46license capacity 47setting with LUN Security XP Extension 45act

86HPauthorized resellers 9storage web site 9Subscriber’s choice web site 9technical support 8II/O performance 31, 38, 39initial copy operation 21inqra

Business Copy XP user guide for the XP10000/XP12000 87Pairsplit-E window 69pairsplit-S operationabout 29pair status 33shortcuts 53using 69Pairsplit-S

88SMPL statusabout 37creating and splitting pairs 66LUN Security XP Extension operations 47shortcuts 53speedcopy pace 60, 64copy processing time 38hos

Figures1 BC overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Business Copy XP user guide for the XP10000/XP12000 9Subscription serviceHP strongly recommends that customers register online using the Subscriber&ap

Tables1 Recommended and minimum firmware versions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Document conve