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MK-92DLM129-13 HiCommand® Dynamic Link Manager (HDLM) for Windows Systems User’s Guide

x Contents 4.2.4 Exporting Path Information to a CSV File... 130 4.2.4.1 Notes on Exporting Path Information t

84 Chapter 3 Creating an HDLM Environment Table 3.14 Keys in an installation-information settings file (installhdml.ini) Key name Description Ne

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 85 Not required: Specification is unnecessary. If a value is specified for

86 Chapter 3 Creating an HDLM Environment 3.6.2.4 Notes on installation  Do not forcibly stop the execution of installhdlm.exe during an unattend

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 87 If you have specified n (do not restart) for the restart key in the ins

88 Chapter 3 Creating an HDLM Environment 8. The utility for registering HDLM persistent reservation keys (dlmprsvkey) is automatically executed to

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 89 12. Check the results of the installation. If you performed an unattend

90 Chapter 3 Creating an HDLM Environment Trace Level : 0 Trace File Size(KB) : 1000 Number Of Trace Files : 4 Path He

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 91 3.6.3.2 Performing a New Installation Using MSCS The following provides

92 Chapter 3 Creating an HDLM Environment – Click the Cancel button to cancel the installation. – If no message appears, go to the next step. 8.

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 93 – If a dialog box that begins with the following sentence appears durin

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide xi 5.3.2 Using the dlnkmgr Command to Handle a Path Error...

94 Chapter 3 Creating an HDLM Environment Number Of Trace Files : 4 Path Health Checking : on(30) Auto Failback : off R

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 95 Trace File Size(KB) : 1000 Number Of Trace Files : 4 Path

96 Chapter 3 Creating an HDLM Environment 6. The program checks the version of the MPIO driver, and then installs the MPIO driver. If a message app

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 97 13. Follow the instructions shown in the messages that appear in the wi

98 Chapter 3 Creating an HDLM Environment 22. Make sure that the program is working normally, by examining the results of the command's view o

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 99 3.6.3.3 Performing a New Installation Using VCS 1. Start the hosts ind

100 Chapter 3 Creating an HDLM Environment 9. Specify a license key file or enter a license key in accordance with the instructions shown in the me

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 101 Please update the Storport Miniport driver to a Storport.sys with a fil

102 Chapter 3 Creating an HDLM Environment An example of executing the dlnkmgr command's view operation is as follows: >dlnkmgr view -sys H

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 103 3.6.3.4 Performing a New Installation Using Oracle RAC 1. Shut down a

xii Contents 7.7.1 Format ... 237 7.7.2 Parameters ...

104 Chapter 3 Creating an HDLM Environment 8. Specify a license key file or enter a license key in accordance with the instructions shown in the me

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 105 When using a Storport Miniport driver as an HBA driver: Please update t

106 Chapter 3 Creating an HDLM Environment 22. Execute the dlnkmgr command's view operation to display the status of each program. An example

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 107 31. Make sure that the program is working normally, by examining the r

108 Chapter 3 Creating an HDLM Environment This step is omitted.  Creating and checking the PRSV key. This step is omitted if an appropriate PRSV

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 109 3.6.6 Installing JRE To start HDLM GUI, an HDLM uses the JRE that is b

110 Chapter 3 Creating an HDLM Environment 3.7 Checking the Path Configuration HDLM functionality such as load balancing and failover is only avail

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 111 3.8 Setting Up Integrated Traces When HDLM is used, dlnkmgr commands a

112 Chapter 3 Creating an HDLM Environment To change the integrated trace file settings: 1. In Explorer, double-click the following file: program-i

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 113 6. In Lookout Span(KB), enter a value to specify the interval for moni

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide xiii 9.15 Messages from the dlmchkpath Utility for Checking HDLM Paths...

114 Chapter 3 Creating an HDLM Environment 3.9 Uninstalling HDLM This section explains how to return the operating environment to the way it was be

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 115 1. Use the registry editor to determine whether Intel 32 is included i

116 Chapter 3 Creating an HDLM Environment The default installation folder for HDLM is C:\Program Files\HITACHI\DynamicLinkManager. The following su

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 117 6. Follow the instructions shown in the messages that appear on the wi

118 Chapter 3 Creating an HDLM Environment Figure 3.7 Single Path and Multi-Path Configurations 5. Start the uninstallation program. In Control P

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 119 3. If a host and a storage system connect via multiple paths, reconfig

120 Chapter 3 Creating an HDLM Environment 3.9.4 Uninstalling Hitachi Network Objectplaza Trace Library (HNTRLib2) When you uninstall HDLM, if the

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 121 3.9.5 Uninstalling Hitachi Network Objectplaza Trace Library (HNTRLib)

122 Chapter 3 Creating an HDLM Environment

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 123 Chapter 4 HDLM Operation This chapter describes operating procedures f

xiv Contents List of Figures Figure 1.1 Connections Between Hosts and Storage Systems ... 2 Figure 1.2 Path Managem

124 Chapter 4 HDLM Operation 4.1 Notes on Using HDLM This section provides notes on HDLM operation. 4.1.1 Using a Storage Management Program You m

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 125 4.1.4 Using the EMC DMX series, EMC CX Series, and HP EVA series Only

126 Chapter 4 HDLM Operation 4.2 HDLM Operations Using the HDLM GUI This chapter explains the procedures for operating HDLM GUI window components.

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 127 – The JRE that is bundled with the HDLM product (JRE 1.3.1 provided by

128 Chapter 4 HDLM Operation  If the I/O load on the dynamic disk is heavy, it might take a long time to redisplay the HDLM GUI.  When an operat

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 129 4.2.3 Viewing Path Information This section explains how to view path

130 Chapter 4 HDLM Operation 4.2.3.2 Viewing Path Information in List Format To view path information in the list format: 1. Display the Path Mana

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 131 4.2.4.2 Exporting Path Information to a CSV File To export path inform

132 Chapter 4 HDLM Operation 4.2.5 Setting Path Statistics to Initial Value This section explains how to set the values of the path statistics (I/

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 133 4.2.6 Changing the Path Status The procedure for changing the path sta

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide xv List of Tables Table 2.1 HDLM System Components Using FC-SAN ...

134 Chapter 4 HDLM Operation If you attempt to change the status of multiple paths but the status of one of those paths cannot be changed, the KAPL0

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 135 5. Click the OK button. The status of the selected path changes to onl

136 Chapter 4 HDLM Operation 4.2.9 Viewing the HTML Manual To view the HTML version of this manual (HiCommand Dynamic Link Manager User's Guid

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 137 4.3 Using Commands for HDLM Operations The following subsections expla

138 Chapter 4 HDLM Operation 4.3.3 Changing the Status of Paths This subsection explains how to change the status of paths. 4.3.3.1 Changing the S

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 139 4.3.3.2 Changing the Status of a Path to Offline(C) To change the stat

140 Chapter 4 HDLM Operation 4.3.4 Viewing LU Information Using an HDLM Command To display LU information, execute the dlnkmgr command's view

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 141 4.3.5 Initializing Statistical Information for Paths This subsection e

142 Chapter 4 HDLM Operation 4.3.6 Viewing and Setting Up the Operating Environment The following subsections explain how to display and set up the

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 143 4.3.6.2 Setting Up the Operating Environment To set up the HDLM operat

xvi Contents Table 7.3 Error Log Collection Level Values... 226 Table 7.4 Trace Level Values ...

144 Chapter 4 HDLM Operation 4.3.7 Viewing License Information To display license information, execute the dlnkmgr command's view operation wi

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 145 4.3.9 Viewing HDLM Version Information To display HDLM version informa

146 Chapter 4 HDLM Operation 4.3.10 Viewing HDLM Component Information To display HDLM component information, execute the dlnkmgr command's vi

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 147 4.4 Using the Windows Administrative Tool to Check Path Information In

148 Chapter 4 HDLM Operation Table 4.3 Selectable Items for Instances Selectable Items* Description _Total Selecting this item displays the total

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 149 4.5 Starting and Stopping the HDLM Manager If an error occurs in the s

150 Chapter 4 HDLM Operation 4.5.2 Stopping the HDLM Manager When you uninstall HDLM or install an HDLM upgrade or re-installation, the HDLM manage

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 151 4.6 Reconfiguring the HDLM operating environment This section describe

152 Chapter 4 HDLM Operation Figure 4.1 Using the dlnkmgr view -path Command to Confirm LU Addition Figure 4.2 shows an example of using the HDLM

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 153 Figure 4.2 Using the HDLM GUI to Confirm LU Addition 5. For the new

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 1 Chapter 1 Overview of HDLM This chapter provides an overview of HDLM and

154 Chapter 4 HDLM Operation When MSCS is used: 1. Add an LU. 2. Stop node B. 3. In node A, perform the steps shown in When MSCS is not used. 4.

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 155 4.6.1.2 Checking an Added Path You can add a path by inserting a cable

156 Chapter 4 HDLM Operation Figure 4.4 Using the HDLM GUI to Confirm That a Path Has Been Added Notes:  A PathID is added to a minimum availabl

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 157 4.6.2 Deleting an LU Dynamically The LU deletion functionality automat

158 Chapter 4 HDLM Operation Figure 4.5 Displaying the KAPL05301-E Message In the event viewer, the information about the deleted path is displaye

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 159 Figure 4.6 Outputting Data to the KAPL05301-E Message Table 4.4 shows

160 Chapter 4 HDLM Operation 4.6.2.3 Recovering the Deleted LU or Path To restore the deleted LU, recover it from physical failure and then perform

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 161 Chapter 5 Troubleshooting This chapter describes how to check HDLM err

162 Chapter 5 Troubleshooting 5.1 Information Collected by the DLMgetras Utility for Collecting HDLM Error Information Immediately after an error occ

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 163 5.2 Checking Error Information in Messages You can check path errors b

2 Chapter 1 Overview of HDLM 1.1 What is HDLM? The widespread use of data warehousing and increasing use of multimedia data have increased the need

164 Chapter 5 Troubleshooting Each message contains several elements. These elements are explained below. ErrorCode The error number generated when Wi

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 165 5.3 Actions for a Path Error When a path error is detected by HDLM, yo

166 Chapter 5 Troubleshooting Figure 5.2 Troubleshooting Procedure when a Path Error Occurs

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 167 5.3.1 Using the HDLM GUI to Handle a Path Error The following shows th

168 Chapter 5 Troubleshooting 5.3.1.5 Identify the Error Location and Correct Hardware Errors Use the Windows and hardware management tools to identi

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 169 5.3.2 Using the dlnkmgr Command to Handle a Path Error The following

170 Chapter 5 Troubleshooting 5.3.2.5 Identify the Error Location and Correct Hardware Errors Use the Windows and hardware management tools to identi

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 171 5.4 Actions for Program Errors The following describes the troubleshoo

172 Chapter 5 Troubleshooting 5.4.1 Using the HDLM GUI to Handle a Program Error The following shows the procedure for handling a program error by us

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 173 5.4.1.3 Take Action for the Program Error Take the action recommended

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 3  EMC CX series  HP EVA series

174 Chapter 5 Troubleshooting Use the DLMgetras utility for collecting HDLM error information to collect the error information. For details on the DLM

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 175 5.5 Actions Taken for Other Errors When the cause of an error may be r

176 Chapter 5 Troubleshooting

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 177 Chapter 6 GUI Reference This chapter explains the items displayed in t

178 Chapter 6 GUI Reference 6.1 HDLM GUI Windows This section explains the windows that make up the HDLM GUI and the window transitions (that is,

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 179 6.1.2 Window Transitions Figure 6.1 shows the transitions among HDLM w

180 Chapter 6 GUI Reference 6.2 Path Management Window This section explains the Path Management window. In this window, you can do the following:

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 181 Figure 6.2 Path Management Window As shown in Figure 6.2, the Path Ma

182 Chapter 6 GUI Reference 6.2.1 Common Frame The buttons in the common frame are:  Refresh button: Reflects the most recent path information i

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 183 The following describes the window components in the tree frame: Host.

4 Chapter 1 Overview of HDLM 1.2 HDLM Features HDLM provides the following features: Distributes the load across paths (load balancing) When multip

184 Chapter 6 GUI Reference Model ID Model Name of Storage System USP_V Hitachi Universal Storage Platform V XP128 XP128 XP1024 XP1024 XP10000 XP1

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 185 Table 6.4 LU Icons in Tree Frame of the Path Management Window Icon Ic

186 Chapter 6 GUI Reference 6.2.3 Configuration View in the Vview Frame The view frame of the Path Management window displays one of the following

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 187 Figure 6.5 Configuration View (When Using the TagmaStore AMS 1000 or

188 Chapter 6 GUI Reference Figure 6.7 Configuration View: Lightning 9900V Series Figure 6.8 Configuration View: TagmaStore USP

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 189 When using the TagmaStore USP, the display format for the following ite

190 Chapter 6 GUI Reference The Type specification has priority over the Status specification. For example, if you clear the Owner path check box i

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 191 When no path is displayed in the Configuration view, or no path is sele

192 Chapter 6 GUI Reference Line Style Path Status If the intermittent error monitoring functionality is enabled, the line that indicates the erro

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 193 Placing the mouse pointer over these buttons displays a tool tip contai

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 5 1.3 HDLM GUI Overview HDLM GUI has the following windows:  Path Manage

194 Chapter 6 GUI Reference CHA button: This button indicates a channel adapter. – When using the TagmaStore AMS/WMS series, Thunder 9500V Series,

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 195  Vendor ID: The name of the storage system vendor (for example, HITAC

196 Chapter 6 GUI Reference 6.2.4 Path List View in the View Frame The view frame area of the Path Management window displays one of the following

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 197 Status: You use the following four check boxes to select the status of

198 Chapter 6 GUI Reference Export CSV button: This button exports, to a CSV file, the information for the paths displayed in the Path List view. T

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 199 Path Name: The path name, which indicates a path. When you modify the s

200 Chapter 6 GUI Reference Table 6.8 Model IDs and Model Names of Corresponding Storage Systems Model ID Model Name of Storage System 9200 Thun

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 201 CLPR: This column displays the CLPR number to which the CHA belongs. A

202 Chapter 6 GUI Reference 6.3 Options Window In the Options window, you can do the following:  View the HDLM operating environment.  Set the

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 203 Table 6.9 Default and Recommended Values for Items Displayed in the Op

6 Chapter 1 Overview of HDLM The Path Management window consists of three frames shown in Figure 1.2:  Common frame Displays the title, logo, and

204 Chapter 6 GUI Reference Table 6.10 lists and describes the items displayed in the HDLM Component Information dialog box. Table 6.10 Items Disp

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 205 Auto failback Specify whether or not the auto failback function is to b

206 Chapter 6 GUI Reference Specify whether or not intermittent error monitoring is to be used. To use this function, select ON; otherwise, select

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 207 When Intermittent Error Monitor is set to ON and automatic failback is

208 Chapter 6 GUI Reference  The error count, elapsed monitoring time, and information about paths not subject to automatic failback are complete

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 209 Table 6.13 LU Deletion Function Values Value Description OFF The L

210 Chapter 6 GUI Reference From the pull-down list box, select the desired trace output level. In the event of an error, you may need to set the t

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 211 If you set a smaller value than the current one, an execution confirmat

212 Chapter 6 GUI Reference

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 213 Chapter 7 Command Reference This chapter describes the HDLM command (d

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 7 1.3.2 About the Options Window Use the Options window to view or change

214 Chapter 7 Command Reference 7.1 Overview of the HDLM Command (dlnkmgr) This section describes how to specify the HDLM command dlnkmgr and its

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 215 7.2 The Clear Operation The dlnkmgr command's clear operation cle

216 Chapter 7 Command Reference 7.3 The Help Operation The dlnkmgr command's help operation displays the list of operations available for the

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 217 Example 2: The following example shows how to display the formats of mu

218 Chapter 7 Command Reference 7.4 The Offline Operation The dlnkmgr command's offline operation places online paths offline. Specify the pa

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 219 >dlnkmgr offline -hba 1.1 KAPL01055-I All the paths which pass the

220 Chapter 7 Command Reference To display the format of the offline operation, use -help. The following example shows how to display the format of

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 221 7.5 The Online Operation The dlnkmgr command's online operation p

222 Chapter 7 Command Reference To place online, at one time, all paths that pass through a specific channel adapter port, use -cha -pathid AutoPAT

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 223 KAPL01001-I The HDLM command completed normally. Operation name = onlin

8 Chapter 1 Overview of HDLM

224 Chapter 7 Command Reference 7.6 The Set Operation The dlnkmgr command's set operation sets the HDLM operating environment. 7.6.1 Format

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 225 Error log file size 9900 (KB) 9900 (KB) Number of error log files 2

226 Chapter 7 Command Reference Table 7.3 shows the values of the error log collection level. If an error occurs, you may have to set the error log

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 227 Table 7.4 Trace Level Values Value Description 0 Does not output any

228 Chapter 7 Command Reference The explanation for the following sub-parameter describes how to specify the checking interval. To specify the chec

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 229 To specify the interval between path status checks (in minutes), use -i

230 Chapter 7 Command Reference If you omit the intermittent error monitoring interval or the number of times that the error is to occur, each sett

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 231 Outside the duration of intermittent error monitoring, if you change th

232 Chapter 7 Command Reference Setting Automatic Failback Intermittent Error Monitoring Available Operation Result of Operation Set intermittent

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 233 Setting Automatic Failback Intermittent Error Monitoring Available Oper

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 9 Chapter 2 HDLM Functions This chapter describes HDLM functionality inclu

234 Chapter 7 Command Reference Table 7.6 lists the license key types. Table 7.6 License Key Types Type Description Permanent license key Permane

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 235 Table 7.7 shows the values of the LU dynamic deletion functionality. Ta

236 Chapter 7 Command Reference The following example shows how to display the format of the set operation.

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 237 7.7 The View Operation The dlnkmgr command's view operation displ

238 Chapter 7 Command Reference To display LU information: dlnkmgr view -lu [-hdev host-device-name|-pathid AutoPATH_ID] [-exlu] [-t] To display LU

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 239 7.7.2 Parameters This section describes the parameters for the view op

240 Chapter 7 Command Reference Parameter and Program Information Item Description Trace Level Trace output level  0: Does not output any trace

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 241 Parameter and Program Information Item Description WakeupTime Startup

242 Chapter 7 Command Reference The following example shows how to display information about the HDLM function settings: >dlnkmgr view -sys -sfu

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 243 7.7.2.2 Parameters Used for Displaying HDLM Management-Target Device I

10 Chapter 2 HDLM Functions 2.1 Devices Managed by HDLM Devices that can and cannot be managed by HDLM are shown below. The devices that can be man

244 Chapter 7 Command Reference 7.7.2.3 Parameters Used for Displaying Path Information When displaying path information, if the -item parameter o

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 245  -exlu: When an HDLM management-target device contains the EMC DMX s

246 Chapter 7 Command Reference When the -exlu parameter is specified:

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 247 Parameters for Displaying Path Information by Selecting a Display Item

248 Chapter 7 Command Reference  -stname: Use this parameter for the Thunder 9200/9500V Series, Lightning 9900/9900V Series, TagmaStore, or Unive

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 249

250 Chapter 7 Command Reference Parameters for Displaying a Summary of Path Information If the -c parameter is specified at the same time as the -p

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 251 The following example shows how to display a summary of the path inform

252 Chapter 7 Command Reference Displayed Path Information Table 7.11 describes the displayed path information. Table 7.11 Displayed Path Inform

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 253 Displayed Item No Summary Displayed1 Summary Displayed2 Description Dsk

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 11 2.2 System Configuration HDLM is available in two SAN environment types

254 Chapter 7 Command Reference Displayed Item No Summary Displayed1 Summary Displayed2 Description Status Status of the path  Online: Online 

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 255 Displayed Item No Summary Displayed1 Summary Displayed2 Description IEP

256 Chapter 7 Command Reference Table 7.13 shows the product ID displayed by the -path Operation View. Table 7.13 Product ID Displayed in the -pat

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 257 7.7.2.4 Parameters Used for Displaying LU Information When displaying

258 Chapter 7 Command Reference  The –t parameter does not display the title for each information item. For example, when the -exlu parameter is

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 259 iLU HDevName PathID Status 6006048000

260 Chapter 7 Command Reference Parameters for Displaying LU Information by Adding Items to be Displayed In the -lu –item parameter, the items spec

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 261  -exlu: When an HDLM management-target device is the EMC DMX series,

262 Chapter 7 Command Reference In the –exlu parameter, when an HDLM management-target device contains the EMC DMX series, EMC CX series, or HP EVA

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 263 Parameters for Displaying a Summary of LU Information by Adding Items t

12 Chapter 2 HDLM Functions Table 2.1 HDLM System Components Using FC-SAN Components Description HBA A host bus adapter. This serves as a cable p

264 Chapter 7 Command Reference Displayed LU Information Table 7.15 describes the displayed LU information. The following explains the table headin

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 265 Displayed Item No Summary Displayed1 Summary Displayed2 Description Pat

266 Chapter 7 Command Reference Displayed Item No Summary Displayed1 Summary Displayed2 Description Type3 Not displayed  For the Thunder 9200/95

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 267 Displayed Item No Summary Displayed1 Summary Displayed2 Description 3Th

268 Chapter 7 Command Reference

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 269 Chapter 8 Utility Reference This chapter explains the utilities used b

270 Chapter 8 Utility Reference 8.1 Overview of the Utilities HDLM provides the following utilities:  The DLMgetras utility for collecting HDLM e

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 271 8.2 The DLMgetras Utility for Collecting HDLM Error Information This u

272 Chapter 8 Utility Reference The utility obtains logs from each application, system, and security event log. The logs obtained are those output a

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 273 8.2.3 List of Collected Error Information Table 8.1 lists the types of

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 13 Figure 2.2 IP-SAN System Configuration Using iSCSI HBA Figure 2.3 IP

274 Chapter 8 Utility Reference Collected Files1 Folder Files Explanation folder-to-which-collected-information-is-output\VxVM-installation-destina

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 275 Collected Files1 Folder Files Explanation dlmmgr-path.txt Result of t

276 Chapter 8 Utility Reference Manually Obtainable Error Information Files and How to Obtain Them When the DLMgetras utility finishes normally, the

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 277 Error Information File How to Obtain Files1 Registry information appli

278 Chapter 8 Utility Reference Error Information File How to Obtain Files1 MSCS information cluster-sys.txt At the command prompt, execute all of

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 279 Error Information File How to Obtain Files1  hdlmdsm-status.txt  d

280 Chapter 8 Utility Reference Error Information File How to Obtain Files1 MPIO information mpio-list.txt At the command prompt, execute the mpio

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 281 8.3 The dlmpr Utility for Clearing HDLM Persistent Reservation The dlm

282 Chapter 8 Utility Reference 8.3.2.1 Clearing the Persistent Reservation in an MSCS Environment To clear the persistent reservation in an enviro

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 283 7. Choose Start, Settings, Control Panel, double-click Administrative

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide iii © 2007 Hitachi Data Systems Corporation, ALL RIGHTS RESERVED Notice: No

14 Chapter 2 HDLM Functions Table 2.2 HDLM System Components that use IP-SAN Components Description iSCSI software The driver software that has t

284 Chapter 8 Utility Reference 8.4 The dlmprsvkey Utility for Registering an HDLM Persistent Reservation Key This utility registers and displays a

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 285 KAPL12106-I An attempt to register the PRSV key was successful. (PRSV

286 Chapter 8 Utility Reference 8.5 The dlmchkpath Utility for Checking HDLM Paths If you install or uninstall HDLM in a multi-path configuration,

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 287 In the following example, the view operation is performed when the util

288 Chapter 8 Utility Reference

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 289 Chapter 9 Messages This chapter describes the format and meaning of me

290 Chapter 9 Messages 9.1 Before Viewing the List of Messages This section explains the following information that is needed to locate messages and

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 291 9.1.2 Terms Used in Messages and Message Explanations Table 9.2 shows

292 Chapter 9 Messages 9.2 HDLM Command (dlnkmgr and Operations) Messages Message ID Message Details and Actions KAPL01001-I The HDLM command comp

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 293 Message ID Message Details and Actions KAPL01007-W A duplicate param

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 15 2.3 LU Configuration When you install HDLM, the LU configuration recogn

294 Chapter 9 Messages Message ID Message Details and Actions KAPL01014-W No authority to execute the HDLM command. Operation name = aa...aa Detail

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 295 Message ID Message Details and Actions KAPL01019-W The target path w

296 Chapter 9 Messages Message ID Message Details and Actions KAPL01035-W The cluster support function is active, so the load balancing function is

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 297 Message ID Message Details and Actions KAPL01045-W Too many paramete

298 Chapter 9 Messages Message ID Message Details and Actions KAPL01050-I The currently selected paths will be changed to the Online status. Is thi

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 299 Message ID Message Details and Actions KAPL01055-I All the paths whi

300 Chapter 9 Messages Message ID Message Details and Actions KAPL01059-W Cannot specify the parameter aa...aa at the same time if you specify para

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 301 Message ID Message Details and Actions KAPL01062-I aa...aa path(s) w

302 Chapter 9 Messages Message ID Message Details and Actions KAPL01065-E The configuration does not support the simultaneous use of the load balan

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 303 Message ID Message Details and Actions KAPL01074-E The emergency lic

16 Chapter 2 HDLM Functions Table 2.3 lists the components recognized by the host. Table 2.3 Components Recognized by Host Components Description H

304 Chapter 9 Messages Message ID Message Details and Actions KAPL01082-E There is no installable license key in the license key file. File name =

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 305 Message ID Message Details and Actions KAPL01089-E One of the follow

306 Chapter 9 Messages Message ID Message Details and Actions KAPL01098-W The storage system (aa...aa, bb...bb) cannot perform the cc...cc operatio

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 307 9.3 HDLM GUI Messages Message ID Message Details and Actions KAPL020

308 Chapter 9 Messages Message ID Message Details and Actions KAPL02007-E The HDLM manager could not be connected. The aa...aa operation has been s

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 309 Message ID Message Details and Actions KAPL02014-W No data has been

310 Chapter 9 Messages Message ID Message Details and Actions KAPL02016-W A value which is outside of the valid range has been input in aa...aa. De

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 311 Message ID Message Details and Actions KAPL02020-I If you are sure t

312 Chapter 9 Messages Message ID Message Details and Actions KAPL02026-W The target path of the aa...aa operation could not be found. Details The

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 313 Message ID Message Details and Actions KAPL02029-E An error occurred

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 17 2.4 Program Configuration HDLM runs as a combination of programs. Becau

314 Chapter 9 Messages Message ID Message Details and Actions KAPL02032-E The aa...aa operation cannot be executed because the amount of memory is i

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 315 Message ID Message Details and Actions KAPL02041-W The cluster suppo

316 Chapter 9 Messages Message ID Message Details and Actions KAPL02054-I aa...aa path(s) were successfully placed Offline(C). The Offline request

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 317 Message ID Message Details and Actions KAPL02063-W The version numbe

318 Chapter 9 Messages Message ID Message Details and Actions KAPL02080-W All the current trace files will be deleted. Is this OK? [OK/Cancel] Deta

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 319 9.4 HDLM API Messages Message ID Message Details and Actions KAPL030

320 Chapter 9 Messages Message ID Message Details and Actions KAPL03007-E An error occurred during communication with the HDLM manager. (aa...aa) D

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 321 9.5 HDLM Manager Messages Message ID Message Details and Actions KAP

322 Chapter 9 Messages Message ID Message Details and Actions KAPL04008-E Cannot open the option definition file (aa...aa). Details HDLM manager ca

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 323 Message ID Message Details and Actions KAPL04013-E Input is impossib

18 Chapter 2 HDLM Functions Table 2.4 lists and describes the functionality of these programs. Table 2.4 HDLM Program Functionality Program Name F

324 Chapter 9 Messages Message ID Message Details and Actions KAPL04023-E HDLM manager error information - aa...aa Details This information is req

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 325 Message ID Message Details and Actions KAPL04031-E The emergency lic

326 Chapter 9 Messages Message ID Message Details and Actions KAPL04045-I HDLM SNMP TRAP was sent. Trap ID = aa...aa, IP Address = bb...bb, Port Nu

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 327 9.6 HDLM Driver (Filter Component) Messages Message ID Message Detai

328 Chapter 9 Messages Message ID Message Details and Actions KAPL05010-E Could not initialize the HDLM driver (filter component). (aa...aa:bb...bb

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 329 Message ID Message Details and Actions KAPL05014-I The device object

330 Chapter 9 Messages Message ID Message Details and Actions KAPL05033-W The path health checking for the path (aa...aa) failed.(bb...bb,cc...cc,d

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 331 Message ID Message Details and Actions KAPL05301-E A path has been r

332 Chapter 9 Messages 9.7 HDLM Driver (Core Logic Component) Messages Message ID Message Details and Actions KAPL07819-I Data for maintenance: aa

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 333 Message ID Message Details and Actions KAPL07823-W An LU connected t

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 19 2.5 HDLM and MPIO Driver Position The HDLM and MPIO drivers are positio

334 Chapter 9 Messages 9.8 HDLM Management Target Messages Message ID Message Details and Actions KAPL08019-E The path (aa...aa) detected an error

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 335 Message ID Message Details and Actions KAPL08023-I A path was recove

336 Chapter 9 Messages Message ID Message Details and Actions KAPL08026-E An error occurred on all the paths of the LU. PathID = aa...aa Details An

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 337 9.9 HDLM Installation Program Messages Message ID Message Details an

338 Chapter 9 Messages Message ID Message Details and Actions KAPL09001-E There is no system management permission. Details The current user does n

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 339 Message ID Message Details and Actions KAPL09001-E There is no syste

340 Chapter 9 Messages Message ID Message Details and Actions KAPL09001-E There is no system management permission. Details The current user does n

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 341 Message ID Message Details and Actions KAPL09001-E There is no syste

342 Chapter 9 Messages Message ID Message Details and Actions KAPL09001-E There is no system management permission. Details The current user does n

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 343 Message ID Message Details and Actions KAPL09001-E There is no syste

20 Chapter 2 HDLM Functions 2.6 Load Distribution using Load Balancing When the system contains multiple paths to an LU, HDLM can distribute the lo

344 Chapter 9 Messages Message ID Message Details and Actions KAPL09001-E There is no system management permission. Details The current user does n

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 345 Message ID Message Details and Actions KAPL09001-E There is no syste

346 Chapter 9 Messages Message ID Message Details and Actions KAPL09001-E There is no system management permission. Details The current user does n

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 347 Message ID Message Details and Actions KAPL09001-E There is no syste

348 Chapter 9 Messages Message ID Message Details and Actions KAPL09001-E There is no system management permission. Details The current user does n

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 349 Message ID Message Details and Actions KAPL09001-E There is no syste

350 Chapter 9 Messages Message ID Message Details and Actions KAPL09001-E There is no system management permission. Details The current user does n

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 351 Message ID Message Details and Actions KAPL09001-E There is no syste

352 Chapter 9 Messages 9.10 Messages from the DLMgetras Utility for Collecting HDLM Error Information Message ID Message Details and Actions KAPL10

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 353 Message ID Message Details and Actions KAPL10012-W The specified fil

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 21 Figure 2.7 I/O Flow When Load Balancing is Not Used When the load bala

354 Chapter 9 Messages Message ID Message Details and Actions KAPL10032-W The entered value is invalid. The utility for collecting HDLM error infor

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 355 Message ID Message Details and Actions KAPL10045-W A parameter is in

356 Chapter 9 Messages 9.11 Messages from the dlmpr Utility for Canceling the HDLM Persistent Reserve Message ID Message Details and Actions KAPL10

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 357 Message ID Message Details and Actions KAPL10656-I The persistent re

358 Chapter 9 Messages Message ID Message Details and Actions KAPL10664-E An attempt to acquire Inquiry data failed. PortNo = aa...aa, Error Code =

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 359 9.12 Messages from the HDLM Remote Access Interface Message ID Messag

360 Chapter 9 Messages Message ID Message Details and Actions KAPL11904-E aa...aa has completed abnormally. Error status = bb...bb Details Operatio

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 361 Message ID Message Details and Actions KAPL11908-I XML transmission -

362 Chapter 9 Messages Message ID Message Details and Actions KAPL12105-W The user does not have permission to execute the utility for registering

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 363 Message ID Message Details and Actions KAPL12112-E An error occurred

22 Chapter 2 HDLM Functions Figure 2.8 I/O Flow When Load Balancing is Used When the load balancing function is being used, I/O operations are dis

364 Chapter 9 Messages Message ID Message Details and Actions KAPL12117-I Trace data for maintenance: registered PRSV key = aa...aa Details Output

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 365 9.14 Messages from the HDLM Performance Monitor Message ID Message D

366 Chapter 9 Messages 9.15 Messages from the dlmchkpath Utility for Checking HDLM Paths Message ID Message Details and Actions KAPL12401-I All LU

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 367 Message ID Message Details and Actions KAPL12406-E An error occurred

368 Chapter 9 Messages 9.16 Return Codes for the HDLM Remote Access Interface The HDLM remote access interface is an interface used by other HiComman

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 369 Return Code Details and Actions 1018 Details The load balancing functi

370 Chapter 9 Messages Return Code Details and Actions 1026 Details The getting Path Information has been stopped because the configuration of paths

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 371 Return Code Details and Actions 1038 Details A storage system that can

372 Chapter 9 Messages

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 373 Appendix A Functionality Differences Between HDLM Versions A.1 Functi

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 23 2.6.1 Paths to Which Load Balancing is Applied This section explains th

374 Appendix A Functionality Differences Between HDLM Versions – SCSI devices are connected and all Offline(E) paths are subject to automatic fa

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 375  Offline(E) Paths, where intermittent errors are not thought to have

376 Appendix A Functionality Differences Between HDLM Versions A.2 Differences in LU Dynamic Removal Functionality Depending on the HDLM version

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 377 A.4 Differences in Default Values Depending on the HDLM version, defau

378 Appendix A Functionality Differences Between HDLM Versions

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 379 Acronyms and Abbreviations AL arbitrated loop API application programm

380 Acronyms and Abbreviations Microsoft Windows Storage Server 2003 Enterprise x64 Edition MVS multiple virtual storage NIC network interface card

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 381 Enterprise x64 Edition, Microsoft Windows Server 2003 R2, Standard x64

382 Acronyms and Abbreviations

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 383 Glossary automatic failback Functionality for checking the status of p

iv Preface Veritas, and Veritas Storage Foundation are trademarks or registered trademarks of Symantec Corporation or its affiliates in the U.S. and o

24 Chapter 2 HDLM Functions 2.6.1.1 Using TagmaStore AMS/WMS Series, Thunder 9500V Series, or Thunder 9200 Series HDLM performs load balancing bet

384 Glossary dynamic reconfiguration Dynamic reconfiguration enables HDLM to recognize devices whose configuration has been changed without restartin

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 385 host device name A logical area within a host LU. host LU An LU that

386 Glossary Universal Storage Platform V, all controllers are owner controllers. owner path A path that provides the fastest access to an LU, using

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 387 target host when an LU is deleted or all paths connected to the LU are

388 Glossary

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 389 Index A active host ...48 Algori

390 Index cluster software ...48 EMC DMX series cluster software ...48 EMC DMX series and C

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 391 HDLM GUI Overview ... 5 HDLM installation

392 Index LU configuration recognized by the host...15 LUN... 199, 255 in Path Management window (Path Li

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 393 in Path Management window (Path List view)...

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 25 Table 2.5 Algorithms for Load Balancing Algorithm For Sequential Acces

394 Index system configuration ... 11, 12 T TagmaStore USP Path Management window (Configuration view) ...

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 395

26 Chapter 2 HDLM Functions You can specify the load balancing function from the Options window of the HDLM GUI or by the dlnkmgr command's set

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 27 2.7 Failover and Failback Using Path Switching When the system contains

28 Chapter 2 HDLM Functions When TagmaStore AMS/WMS series, Thunder 9500V Series, or Thunder 9200 are being used, HDLM selects the switching destina

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 29 2.7.1.2 Automatic Failback After a path recovers from an error, HDLM ca

30 Chapter 2 HDLM Functions 2.7.2 Manual Path Switching You can switch a path by manually placing a path online or offline. Manually switching a pa

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 31 2.7.3 Path Status Transition This section explains the online and offli

32 Chapter 2 HDLM Functions The Offline(P) path changes to Online(EP). If the reserve processing finishes after the path has changed from Online(EP)

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 33 2.7.3.3 Status Transitions of a Path Figure 2.11 shows the status trans

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide v Preface The HiCommand Dynamic Link Manager (HDLM) for Windows Systems Use

34 Chapter 2 HDLM Functions #4: When the following conditions are satisfied, a path that has been determined to have an intermittent error also beco

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 35 Note: If there is a path failure immediately after a path is made offlin

36 Chapter 2 HDLM Functions 2.8 Monitoring Intermittent Errors An intermittent error means an error that occurs irregularly because of some reason

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 37  When an intermittent error occurs.  When an intermittent error does

38 Chapter 2 HDLM Functions Figure 2.13 shows the action for intermittent error monitoring when an intermittent error does not occur. In this exampl

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 39 Figure 2.14 Action Conditions for Intermittent Error Change during Err

40 Chapter 2 HDLM Functions User Operation Number of Errors and Time Passed since Error Monitoring Started Information about Paths not Subject to Au

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 41 2.9 Detecting Errors Using Path Health Checking HDLM can check the stat

42 Chapter 2 HDLM Functions 2.10 Dynamic Reconfiguration Using the Windows plug-and-play functionality, you can add an LU and a path when the host

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 43 2.11 Error Management For troubleshooting, HDLM collects information in

vi Preface Convention for Storage Capacity Values This document uses the following convention for storage capacity values: 1 KB = 1,000 bytes 1 MB = 1

44 Chapter 2 HDLM Functions 2.11.1 Collected Logs HDLM collects information on the detected error and trace information in the integrated trace fil

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 45 Log Name Description Output Destination 2The underlined part indicates

46 Chapter 2 HDLM Functions 2.11.2 Filtering of Error Information Errors that HDLM detects are classified into error levels. Table 2.8 lists the er

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 47 2.11.3 Collecting Error Information Using the DLMgetras Utility HDLM ha

48 Chapter 2 HDLM Functions 2.12 Cluster Support HDLM is also available for cluster configurations. Table 2.9 lists the cluster software supported

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 49 Figure 2.16 Path Switching in a Cluster Configuration Note When you

50 Chapter 2 HDLM Functions

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 51 Chapter 3 Creating an HDLM Environment This chapter explains the proced

52 Chapter 3 Creating an HDLM Environment 3.1 System Requirements Check the following before installing HDLM: 3.1.1 Applicable Models 3.1.1.1 App

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 53 Table 3.2 Applicable Storage Systems Operating System Windows Server 20

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide vii Contents Chapter 1 Overview of HDLM...

54 Chapter 3 Creating an HDLM Environment 3.1.2 Microsoft MPIO Drivers Table 3.3 lists and describes versions of the Microsoft MPIO driver bundled

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 55 3.1.3.3 Exchanging Data Using Intermediate Volumes Managed by Hitachi R

56 Chapter 3 Creating an HDLM Environment 3.1.4.2 Disk Requirements This section describes disk space requirements for a host. Table 3.7 lists the

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 57 3.2 Flow for Creating an HDLM Environment Set up the environment to use

58 Chapter 3 Creating an HDLM Environment 3.3 HDLM Installation Types This subsection describes the following types of HDLM installation: new insta

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 59 3.4 Notes on Creating an HDLM Environment When you are building an HDLM

60 Chapter 3 Creating an HDLM Environment  For a configuration in which the host and the storage system are connected by using a Fibre Channel swi

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 61  Before installing or upgrading HDLM 5.5 or later, make sure that no o

62 Chapter 3 Creating an HDLM Environment HDLM-installation-folder\lib For Windows Server 2003 SP1 and Windows Server 2003 R2 (no service pack), if

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 63  In Windows Server 2003 (x64), do not create the data stored in the GU

viii Contents 2.11 Error Management...43 2.11.1 Collected Logs ...

64 Chapter 3 Creating an HDLM Environment In the above configuration, we recommend that you change MISSCOUNT, which is the I/O timeout threshold val

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 65 – When HDLM for another operating system has not been installed: a. Pe

66 Chapter 3 Creating an HDLM Environment 3.5 Setting up HDLM HDLM has load balancing, automatic failback, error logging, and other functions. You

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 67 Figure 3.2 Options Window

68 Chapter 3 Creating an HDLM Environment 3.5.1.2 Checking Current Settings Using the dlnkmgr Command Check the current settings by executing the f

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 69 3.5.2 Setting HDLM Functionality The recommended and default values for

70 Chapter 3 Creating an HDLM Environment 3.5.2.1 Setting Load Balancing You can select whether to enable load balancing. In a cluster environment,

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 71 3.5.2.3 Setting Automatic Failback You can select whether to enable aut

72 Chapter 3 Creating an HDLM Environment 3.5.2.4 Settings for Intermittent Error Monitoring Intermittent error monitoring is specifiable only when

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 73 3.5.2.5 Setting the Reservation Level You cannot set the reservation le

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide ix 3.5.3 Applying the Settings and Closing the Windows ...

74 Chapter 3 Creating an HDLM Environment 3.5.2.7 Setting Error Log Collection Level The error log collection level can be set. There are two error

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 75 3.5.2.8 Setting the Trace Level The trace output level can be set. A tr

76 Chapter 3 Creating an HDLM Environment 3.5.2.9 Setting Error Log File Size There are two error logs: the HDLM manager log file dlmmgrn.log (n in

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 77 3.5.2.10 Setting the Number of Error Log Files The number of the error

78 Chapter 3 Creating an HDLM Environment 3.5.2.11 Setting the Trace File Size The trace file size can be set. Trace files for which a trace file s

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 79 3.5.2.12 Setting the Number of Trace Files You can set the number of tr

80 Chapter 3 Creating an HDLM Environment 3.5.3 Applying the Settings and Closing the Windows This section describes steps involved in closing the

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 81 3.6 Installing HDLM Before installing, check whether HDLM has been inst

82 Chapter 3 Creating an HDLM Environment 2. To set up the storage system, assign an LU to each port. Change the settings of the storage system acc

HiCommand® Dynamic Link Manager (HDLM) for Windows® Systems User’s Guide 83 3.6.2 Preparations for installing HDLM by performing an unattended ins