Software User Manual

ChangingthecachemodesettingoftheexternalLU ...................... 114
ChangingthecachemodeofallexternalLUsinanexternalarray................. 114
ChangingthecachemodeofanindividualexternalLU ..................... 115
Stopping the use of paths to an external LU by specifying an external array's WWN (Disconnect Paths) . 115
Restoring paths to an external LU by specifying an external array's WWN (Check Paths) . . . . . . . 116
Changinganexternalarray'sportsetting........................... 116
Stopping the use of paths to an external LU by specifying a local array's port (Disconnect Paths) . . . . 118
RestoringpathstoanexternalLUbyspecifyingalocalarray'sport(CheckPaths) .......... 118
DeletingexternalLUmappings(DeleteLU)........................... 118
6 Troubleshooting NAS Blade systems that include external arrays . . . . 121
Stoppingandrestartingexternalarrays............................ 121
Stoppingexternalarrays ................................ 122
RestartingexternalarraysandrestoringNASBladesystems ................. 122
Recoveryproceduresforerrorsinexternalarrays........................ 123
Errorsinanexternalarray'sdisk............................. 123
Errorsinapathtotheexternalarray ........................... 125
Errorsinallpathstotheexternalarray .......................... 127
Ifeachnodeusesadifferentexternalarray ...................... 127
Ifbothnodesusethesameexternalarray....................... 128
7Remotecommanddevices .................... 131
Overviewofremotecommanddevices ............................ 131
Noticesaboutremotecommanddevices ........................... 131
Mappingcommanddevicesasremotecommanddevices .................... 133
Using Continuous Access XP or Continuous Access XP Journal with remote command devices . . . . . 134
UsingInitiator/ExternalMIXmode............................ 135
RestrictionsonInitiator/ExternalMIXmode ........................ 136
8TroubleshootingExternalStorageXP................ 137
ANotesonconnectingexternalarrays................ 143
ConnectingThunder9500Vsubsystems............................ 143
SystemparametersforconnectingThunder9500Vsubsystems ................ 143
Relation btw. ser. nums. in the Dev. list on LU Op. pane & Thunder 9500V subsys. mod. . . . . . 145
Relationship between the WWN of the port on the Thunder 9500V subsystem and the controller . 145
Pathstatusandexamplesofrecoveryprocedures(Thunder9500Vsubsystems) ......... 146
ConnectingTagmaStoreAMSandTagmaStoreWMSsubsystems................. 147
System parameters for connecting TagmaStore AMS and TagmaStore WMS subsystems . . . . . 147
Rel. btw. ser. numbs. in Dev. list on the LU Op. pane & T-Stor. AMS & T-Stor. WMS subsys. mods. 150
Relation btw. the WWN of the port on the TagmaStore AMS or TagmaStore WMS subsys. and contr. 150
Path status and examples of rec. proce. (TagmaStore AMS and TagmaStore WMS subsys.) . . . . 151
ConnectingXP12000/XP10000DiskArrays.......................... 152
Path status and examples of recovery procedures (XP12000/XP10000 Disk Arrays) . . . . . . . 152
ConnectingXP1024/XP128DiskArrays............................ 153
Pathstatusandexamplesofrecoveryprocedures(XP1024/XP128DiskArrays) ......... 154
ConnectingXP512/XP48DiskArrays............................. 154
Pathstatusandexamplesofrecoveryprocedures(XP512/XP48DiskArrays) .......... 155
ConnectingHP200StorageVirtualizationSystemasexternalstorage............... 155
Pathstatusandexamplesofrecoveryprocedures(SVS200) ................. 156
ConnectingEVAarrays................................... 157
IdentifyinglogicalvolumesofEVAarrays(usingCharacteristic2)............... 157
Alternatepath'sbehaviorwhenanEVAarrayisconnected.................. 157
BRequiredvolumecapacityforemulationtypes............ 159
External Storage XP user guide
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