Veritas Volume Manager 3.1.1

Veritas Volume Manager 3.1.1 ... ability to change RAID layouts. This eliminates costly and disruptive downtime. It also protects data against loss and corruption caused by disk and hardware failures, by using redundancy techniques to increase data availability. VERITAS Volume Manager supports RAID-1, RAID-1+0, RAID-0+1, and RAID-5 for data redundancy.

VERITAS Volume Manager provides the tools to identify and analyze storage access patterns so that I/O loads can be balanced across complex disk configurations. Data layouts can be optimized for selected applications online without impact on users. Mirroring data to fast, volatile storage (like RAM drives or solid-state disks) accelerates access to critical information. VERITAS Volume Manager allows data to be striped across multiple physical drives (RAID-0) to increase performance. It also provides the capability to identify and remove performance bottlenecks without disrupting users.