VERITAS Volume Manager 3.5 Release Notes (August 2002)

Chapter 1

VERITAS Volume Manager™ Release Notes

Overview of VxVM 3.5 for HP-UX

VERITAS Volume Manager Release 3.5 for HP-UX provides state-of-the-art online disk management for

HP-UX. It consists of several related bundles:

• Base VERITAS Volume Manager 3.5 for HP-UX (Base VXVM) [Base-VXVM]:

Provides basic volume manager features, including a Java-based GUI, and is included with all HP-UX 11i

AR0902 Operating Environments, as well as with the HP-UX 11i Application Release for no additional

fee. When MC/ServiceGuard or ServiceGuard OPS Edition is installed on your system, the Base

VERITAS Volume Manager 3.5 for HP-UX also provides some basic clustering features. The Base-VXVM

bundle installed by default contains VRTSvxvm, VRTSvmdoc, VRTSvlic, VRTSob, VRTSobgui,

VRTSvmpro, and VRTSfspro.

• VERITAS Volume Manager 3.5 for HP-UX (VxVM) [B9116AA]:

Provides a full set of enhanced volume manager capabilities, including mirroring, and is available for an

additional fee.

• VERITAS Cluster Volume Manager 3.5 for HP-UX (CVM) [B9117AA]:

Provides enhanced volume manager functionality for clustered environments, is integrated with

MC/ServiceGuard and ServiceGuard OPS Edition, and is available for an additional fee. B9117AA

requires B9116AA.

• VERITAS Volume Manager 3.5 FastResync Option for HP-UX (FR) [B9118AA]:

Reduces the time taken to resynchronize a split mirror to the volume, and is available for an additional

fee. B9118AA requires B9116AA.

This release also includes the new VERITAS Enterprise Administrator™ (VEA™) graphical user interface.

The VERITAS Volume Manager for HP-UX is an alternative to the HP Logical Volume Manager and HP

MirrorDisk/UX products.

This document describes the 3.5 release of the VERITAS Volume Manager for HP-UX products. Base-VxVM

is included with the HP-UX 11i Operating Environments.

Features of VxVM compared to LVM

The VERITAS Volume Manager for HP-UX 3.5 (VxVM) includes many features that are not available with

LVM on HP-UX. Some of these features are:

• VEA—a Java-based administrative GUI

• RAID-5

• Dynamic multipathing for I/O load balancing

• Support for up to 32 mirrors

• Striped mirrors

• Online relayout of volumes

• Device Discovery Layer (DDL)

• Boot performance enhancements

• Support for striped mirrors (layered volumes), online relayout, and Oracle resilvering with CVM