HP XP External Storage Software - Manual (Page 5)

Restoring external LUs (Restore) .......................................................................................... 119
Displaying configuration information for external LUs (Volume Detail) ...................................... 120
Disconnecting external arrays or LUs ......................................................................................... 121
Disconnecting all external LUs in an external array (Disconnect Subsystem) .............................. 122
Disconnecting external LUs individually (Disconnect Volume) .................................................. 123
Checking the connection status and resuming external LU operations (Check Paths & Restore Vol.) ..... 124
Restoring all external LUs in an external array (Check Paths & Restore Vol.) .............................. 124
Restoring external LUs individually (Check Paths & Restore Vol.) .............................................. 125
Restoring external LUs (LDEV Restore) ......................................................................................... 125
Restoring volumes in an external array ................................................................................ 126
Restoring volumes in a mapped external LU individually ........................................................ 126
Changing the cache mode setting of the external LU ................................................................... 126
Changing the cache mode of all external LUs in an external array ................................................ 127
Changing the cache mode of an individual external LU ............................................................... 127
Stopping the use of paths to an external LU by specifying an external array's WWN (Disconnect
Paths) .................................................................................................................................... 128
Restoring paths to an external LU by specifying an external array's WWN (Check Paths) ................. 129
Changing an external array's port setting .................................................................................. 129
Stopping the use of paths to an external LU by specifying a local array's port (Disconnect Paths) ....... 131
Restoring paths to an external LU by specifying a local array's port (Check Paths) ........................... 131
Deleting external LU mappings (Delete LU) ................................................................................. 132
6 Troubleshooting NAS Blade systems that include external arrays ........... 135
Stopping and restarting external arrays ..................................................................................... 135
Stopping external arrays ................................................................................................... 136
Restarting external arrays and restoring NAS Blade systems ................................................... 137
Recovery procedures for errors in external arrays ........................................................................ 137
Errors in an external array's disk ........................................................................................ 137
Errors in a path to the external array ................................................................................... 139
Errors in all paths to the external array ................................................................................ 141
If each node uses a different external array ................................................................... 141
If both nodes use the same external array ..................................................................... 142
7 Remote command devices ............................................................... 145
Overview of remote command devices ...................................................................................... 145
Notices about remote command devices .................................................................................... 146
Mapping command devices as remote command devices ............................................................ 148
Using Continuous Access XP or Continuous Access XP Journal with remote command devices ........... 149
Using Initiator/External MIX mode ...................................................................................... 151
Restrictions on Initiator/External MIX mode .......................................................................... 152
8 Troubleshooting External Storage XP ................................................. 153
A Notes on connecting external arrays ................................................ 163
Connecting Thunder 9500V subsystems ..................................................................................... 164
System parameters for connecting Thunder 9500V subsystems ................................................ 164
Relation btw. ser. nums. in the Dev. list on LU Op. pane & Thunder 9500V subsys. mod. ............ 166
Relationship between the WWN of the port on the Thunder 9500V subsystem and the control-
ler .................................................................................................................................. 166
Path status and examples of recovery procedures (Thunder 9500V subsystems) ......................... 167
Connecting TagmaStore AMS and TagmaStore WMS subsystems ................................................. 169
System parameters for connecting TagmaStore AMS and TagmaStore WMS subsystems ............ 169
External Storage XP user guide for the XP12000, XP10000, SVS200 5