HP StoreAll Storage - Manual (Page 7)

Preparing the snapshot partition........................................................................................169
Registering for snapshots..................................................................................................170
Discovering LUNs in the array............................................................................................170
Reviewing snapshot storage allocation................................................................................170
Automated block snapshots....................................................................................................170
Creating automated snapshots using the GUI......................................................................171
Creating an automated snapshot scheme from the CLI..........................................................174
Other automated snapshot procedures................................................................................175
Managing block snapshots....................................................................................................176
Creating an on-demand snapshot......................................................................................176
Mounting or unmounting a snapshot..................................................................................176
Recovering system resources on snapshot failure...................................................................176
Deleting snapshots...........................................................................................................176
Viewing snapshot information............................................................................................177
Accessing snapshot file systems..............................................................................................178
Troubleshooting block snapshots.............................................................................................180
16 Using data tiering.................................................................................181
Configuring data tiers...........................................................................................................181
Assigning segments to tiers...............................................................................................181
Defining the primary tier...................................................................................................183
Creating a tiering policy for a file system.................................................................................183
Running a migration task.......................................................................................................185
Changing the tiering configuration with the GUI.......................................................................186
Configuring tiers and migrating data using the CLI....................................................................187
Changing the tiering configuration with the CLI.........................................................................190
Writing tiering rules..............................................................................................................191
Rule attributes..................................................................................................................191
Operators and date/time qualifiers....................................................................................191
Rule keywords.................................................................................................................192
Migration rule examples...................................................................................................192
Ambiguous rules..............................................................................................................193
17 Using file allocation..............................................................................195
Overview............................................................................................................................195
File allocation policies......................................................................................................195
How file allocation settings are evaluated...........................................................................196
When file allocation settings take effect on X9000 clients......................................................197
Using CLI commands for file allocation...............................................................................197
Setting file and directory allocation policies.............................................................................197
Setting file and directory allocation policies from the CLI.......................................................198
Setting segment preferences...................................................................................................198
Creating a pool of preferred segments from the CLI..............................................................199
Restoring the default segment preference.............................................................................199
Tuning allocation policy settings.............................................................................................200
Listing allocation policies.......................................................................................................200
18 Support and other resources...................................................................202
Contacting HP......................................................................................................................202
Related information...............................................................................................................202
HP websites.........................................................................................................................202
Subscription service..............................................................................................................202
19 Documentation feedback.......................................................................203
Glossary..................................................................................................204
Index.......................................................................................................206
Contents 7