HP XP Data Shredder Software - Manual (Page 5)

Changing the cache mode setting of the external LU . . . . . . . . . . . . . . . . . . . . . . 114
Changing the cache mode of all external LUs in an external array . . . . . . . . . . . . . . . . . 114
Changing the cache mode of an individual external LU . . . . . . . . . . . . . . . . . . . . . 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
Changing an external array's port setting . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Stopping the use of paths to an external LU by specifying a local array's port (Disconnect Paths) . . . . 118
Restoring paths to an external LU by specifying a local array's port (Check Paths) . . . . . . . . . . 118
Deleting external LU mappings (Delete LU) . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
6 Troubleshooting NAS Blade systems that include external arrays . . . . 121
Stopping and restarting external arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Stopping external arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Restarting external arrays and restoring NAS Blade systems . . . . . . . . . . . . . . . . . 122
Recovery procedures for errors in external arrays . . . . . . . . . . . . . . . . . . . . . . . . 123
Errors in an external array's disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Errors in a path to the external array . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Errors in all paths to the external array . . . . . . . . . . . . . . . . . . . . . . . . . . 127
If each node uses a different external array . . . . . . . . . . . . . . . . . . . . . . 127
If both nodes use the same external array . . . . . . . . . . . . . . . . . . . . . . . 128
7 Remote command devices . . . . . . . . . . . . . . . . . . . . 131
Overview of remote command devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Notices about remote command devices . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Mapping command devices as remote command devices . . . . . . . . . . . . . . . . . . . . 133
Using Continuous Access XP or Continuous Access XP Journal with remote command devices . . . . . 134
Using Initiator/External MIX mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Restrictions on Initiator/External MIX mode . . . . . . . . . . . . . . . . . . . . . . . . 136
8 Troubleshooting External Storage XP . . . . . . . . . . . . . . . . 137
A Notes on connecting external arrays . . . . . . . . . . . . . . . . 143
Connecting Thunder 9500V subsystems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
System parameters for connecting Thunder 9500V subsystems . . . . . . . . . . . . . . . . 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
Path status and examples of recovery procedures (Thunder 9500V subsystems) . . . . . . . . . 146
Connecting TagmaStore AMS and TagmaStore WMS subsystems . . . . . . . . . . . . . . . . . 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
Connecting XP12000/XP10000 Disk Arrays . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Path status and examples of recovery procedures (XP12000/XP10000 Disk Arrays) . . . . . . . 152
Connecting XP1024/XP128 Disk Arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Path status and examples of recovery procedures (XP1024/XP128 Disk Arrays) . . . . . . . . . 154
Connecting XP512/XP48 Disk Arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Path status and examples of recovery procedures (XP512/XP48 Disk Arrays) . . . . . . . . . . 155
Connecting HP 200 Storage Virtualization System as external storage . . . . . . . . . . . . . . . 155
Path status and examples of recovery procedures (SVS200) . . . . . . . . . . . . . . . . . 156
Connecting EVA arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Identifying logical volumes of EVA arrays (using Characteristic 2) . . . . . . . . . . . . . . . 157
Alternate path's behavior when an EVA array is connected . . . . . . . . . . . . . . . . . . 157
B Required volume capacity for emulation types . . . . . . . . . . . . 159
External Storage XP user guide 5