Veritas Volume Manager 4.1 Administrator's Guide (HP-UX 11i v3, February 2007)

Chapter 4, Creating and Administering Disk Groups
Upgrading a Disk Group
171
Features Supported by Disk Group Versions
Disk Group
Version
New Features Supported Previous Version
Features Supported
120
◆ Automatic Cluster-wide Failback for A/P arrays
◆ DMP Co-existence with Third-Party Drivers
◆ Migration of Volumes to ISP
◆ Persistent DMP Policies
◆ Shared Disk Group Failure Policy
20, 30, 40, 50, 60, 70, 80,
90, 110
110
◆ Cross-platform Data Sharing (CDS)
◆ Device Discovery Layer (DDL) 2.0
◆ Disk Group Configuration Backup and Restore
◆ Elimination of rootdg as a Special Disk Group
◆ Full-Sized and Space-Optimized Instant Snapshots
◆ Intelligent Storage Provisioning (ISP)
◆ Serial Split Brain Detection
◆ Volume Sets (Multiple Device Support for VxFS)
20, 30, 40, 50, 60, 70, 80,
90
90
◆ Cluster Support for Oracle Resilvering
◆ Disk Group Move, Split and Join
◆ Device Discovery Layer (DDL) 1.0
◆ 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
◆ Sequential DRL
◆ Unrelocate
◆ VERITAS Volume Replicator (VVR) Enhancements
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