VERITAS Volume Manager 3.5 Release Notes (August 2003)

VERITAS Volume Manager™ HP-UX 11i v2 Release Notes
Overview of VxVM 3.5 for HP-UX
Chapter 110
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
• CVM infrastructure changes to support VERITAS Cluster File
System
New Features in VxVM 3.5
• GAB messaging
In a cluster environment, support has been included for using GAB
as the transport agent for messaging. This means that you do not
need to assign IP addresses for the endpoints ofyour cluster’s private
network when you configure the clustering functionality of VxVM.
• Large file system support
VxVM now supports the use of 64-bit block numbers with file
systems that can understand these.
• Rootability Support