Veritas Storage Foundation Intelligent Storage Provisioning 5.0 AdministratorÆs Guide, HP-UX 11i v3, First Edition, May 2008

7Contents
Resizing volumes online .....................................................................................76
Determining the maximum size of a volume ...........................................77
Increasing the size of a volume to a specified length .............................77
Increasing the size of a volume by a specified amount ..........................77
Reducing the size of a volume to a specified length ...............................78
Reducing the size of a volume by a specified amount ............................78
Growing and shrinking multiple volumes ...............................................78
Setting tags on volumes ......................................................................................79
Preparing a volume for DRL and snapshot operations ..................................80
Removing support for DRL and snapshots from a volume ...................81
Evacuating a volume ...........................................................................................81
Removing a volume .............................................................................................82
Performing online relayout on a volume .........................................................82
Transforming the capabilities of a volume online ..........................................83
Adding mirrors to a volume ...............................................................................83
Removing mirrors from a volume .....................................................................83
Adding columns to a volume ..............................................................................84
Removing columns from a volume ...................................................................85
Changing the stripe unit size of volumes .........................................................86
Adding logs to a volume ......................................................................................86
Removing logs from a volume ...........................................................................87
Monitoring and controlling ISP tasks ...............................................................87
Reversing volume transformations ..................................................................88
Finding volumes that use specified capabilities or templates ......................89
Verifying the intent of a volume .......................................................................89
Displaying the rules associated with volumes ................................................89
Migrating non-ISP volumes to ISP volumes ....................................................90
Migrating ISP volumes to non-ISP volumes ....................................................91
Chapter 5 Administering instant snapshots
Limitations of volume snapshots ......................................................................94
Preparing storage pools for full-sized instant snapshots .............................95
Creating a volume for use as a full-sized instant or linked break-off snapshot 96
Creating a shared cache volume and preparing space-optimized snapshots 97
Tuning the autogrow attributes ................................................................99
Growing and shrinking a cache ...............................................................100
Removing a cache ......................................................................................101
Creating instant snapshots ..............................................................................101
Preparing to create instant and break-off snapshots ..........................103
Creating and managing space-optimized instant snapshots ..............104
Creating and managing full-sized instant snapshots ..........................106
Creating and managing linked break-off snapshot volumes ..............108
Creating multiple instant snapshots ......................................................110