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HP StorageWorks XP Remote Web Console Software User Manual

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External Storage XP user guide

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6 Troubleshooting NAS Blade systems that include external arrays . . . . . . . . . . . . . . . . . 107

Stopping and restarting external arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Stopping external arrays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Restarting external arrays and restoring NAS Blade systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Recovery procedures for errors in external arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Errors in an external array’s disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Errors in a path to the external array . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

Errors in all paths to the external array . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

If each node uses a different external array . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

If both nodes use the same external array . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

7 Remote command devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Overview of remote command devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Notices about remote command devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Mapping command devices as remote command devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

Using Continuous Access XP or Continuous Access XP Journal with remote command devices . . . . . . . . . 117

Using Initiator/External MIX mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

Restrictions on Initiator/External MIX mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

8 Troubleshooting External Storage XP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
A Notes on connecting external arrays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Connecting Thunder 9500V subsystems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

System parameters for connecting Thunder 9500V subsystems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Relationship between serial numbers in the Device list on the LU Operation pane and Thunder

9500V subsystem models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

Relationship between the WWN of the port on the Thunder 9500V subsystem and the controller . . . . 129

Path status and examples of recovery procedures (Thunder 9500V subsystems) . . . . . . . . . . . . . . . . . 130

Connecting TagmaStore AMS and TagmaStore WMS subsystems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

System parameters for connecting TagmaStore AMS and TagmaStore WMS subsystems . . . . . . . . . . 130

Relationship between serial numbers in the Device list on the LU Operation pane and TagmaStore

AMS and TagmaStore WMS subsystem models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

Relationship between the WWN of the port on the TagmaStore AMS or TagmaStore WMS

subsystem and the controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

Path status and examples of recovery procedures (TagmaStore AMS and TagmaStore WMS

subsystems) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

Connecting XP12000/XP10000 Disk Arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

Path status and examples of recovery procedures (XP12000/XP10000 Disk Arrays) . . . . . . . . . . . . . 134

Connecting XP1024/XP128 Disk Arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135

Path status and examples of recovery procedures (XP1024/XP128 Disk Arrays) . . . . . . . . . . . . . . . . 135

Connecting XP512/XP48 Disk Arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136

Path status and examples of recovery procedures (XP512/XP48 Disk Arrays) . . . . . . . . . . . . . . . . . . 136

Connecting HP 200 Storage Virtualization System as external storage . . . . . . . . . . . . . . . . . . . . . . . . . 137

Path status and examples of recovery procedures (SVS200) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

Connecting EVA arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

Identifying logical volumes of EVA arrays (using Characteristic 2) . . . . . . . . . . . . . . . . . . . . . . . . . . 138

Alternate path’s behavior when an EVA array is connected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

B Required volume capacity for emulation types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
C Adjusting volume capacity for copy pair setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145

Copying data from external arrays (using external LUs as P-VOLs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145

Copying data to external arrays (setting external LUs as S-VOLs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145

D Using an XP12000/XP10000/SVS200 with an EVA3000/5000 external storage . . . . 147

Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

Physical array connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

Minimum physical configuration for HA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

Expanded configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

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