VERITAS Volume Manager 3.5 Administrator's Guide (September 2002)

Chapter 4, Creating and Administering Disk Groups
Upgrading a Disk Group
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To list the version of a disk group, use this command:
# vxdg list dgname
You can also determine the disk group version by using the vxprint command with the
-l format option.
To upgrade a disk group to the highest version supported by the release of VxVM that is
currently running, use this command:
# vxdg upgrade dgname
By default, VxVMcreatesadisk groupofthe highestversionsupported by the release.For
example, VERITAS Volume Manager 3.5 creates disk groups with version 90.
Features Supported by Disk Group Versions
Disk Group
Version
New Features Supported Previous Version
Features Supported
90
- Cluster Support for Oracle Resilvering
- Disk Group Move, Split and Join
- Device Discovery Layer (DDL)
- Layered Volume Support in Clusters
- Ordered Allocation
- OS Independent Naming Support
- Persistent FastResync
20, 30, 40, 50, 60, 70, 80
80
- VERITAS Volume Replicator (VVR)Enhancements
20, 30, 40, 50, 60, 70
70
- Non-Persistent FastResync
- VERITAS Volume Replicator (VVR)Enhancements
- Unrelocate
20, 30, 40, 50, 60
60
- Online Relayout
- Safe RAID-5 Subdisk Moves
20, 30, 40
50
- SRVM (now known as VERITAS Volume
Replicator or VVR)
20, 30, 40
40
- Hot-Relocation
20, 30
30
- VxSmartSync Recovery Accelerator
20
20
- Dirty Region Logging
- Disk Group Configuration Copy Limiting,
- Mirrored Volumes Logging
- New-Style Stripes
- RAID-5 Volumes
- Recovery Checkpointing