HP StoreAll Storage - Manual (Page 7)

Other automated snapshot procedures................................................................................141
Managing block snapshots....................................................................................................142
Creating an on-demand snapshot......................................................................................142
Mounting or unmounting a snapshot..................................................................................142
Recovering system resources on snapshot failure...................................................................142
Deleting snapshots...........................................................................................................143
Viewing snapshot information............................................................................................143
Accessing snapshot file systems..............................................................................................144
Troubleshooting block snapshots.............................................................................................146
15 Using data tiering.................................................................................147
Overview............................................................................................................................147
Moving files between tiers.................................................................................................147
Writing a rule to implement a policy...................................................................................147
Tiered file systems.................................................................................................................148
Creating a file system that uses data tiering.........................................................................148
Expanding a file system....................................................................................................149
Allocation policy..............................................................................................................149
Managing a tiered file system and tiering policy.......................................................................149
Assigning segments to tiers...............................................................................................150
Removing tier assignments................................................................................................150
Deleting a tier.................................................................................................................150
Listing tier information.......................................................................................................150
Listing tiering policy information.........................................................................................150
Deleting a tiering policy rule.............................................................................................151
Starting and stopping a tiering operation............................................................................151
Reviewing tiering job status...............................................................................................151
Writing tiering rules..............................................................................................................151
Operators and date/time qualifiers....................................................................................151
Rule keywords.................................................................................................................152
Migration rule examples...................................................................................................152
Ambiguous rules..............................................................................................................153
16 Using file allocation..............................................................................155
Overview............................................................................................................................155
File allocation policies......................................................................................................155
How file allocation settings are evaluated...........................................................................156
Using hostgroups for file allocation settings.........................................................................156
When file allocation settings take effect on X9000 clients......................................................156
Guidelines for using file allocation CLI commands................................................................156
Setting file and directory allocation policies.............................................................................156
Setting a file allocation policy............................................................................................157
Setting a directory allocation policy...................................................................................157
Setting segment preferences...................................................................................................157
Creating a pool of preferred segments................................................................................157
Restoring the default segment preference.............................................................................157
Tuning allocation policy settings.............................................................................................158
Listing allocation policies.......................................................................................................158
17 Support and other resources...................................................................159
Contacting HP......................................................................................................................159
Related information...............................................................................................................159
HP websites.........................................................................................................................159
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