Serviceguard Extension for RAC Version A.11.18 Release Notes, 4th Edition, September 2008

NOTE: LVM version 2.0 (or later) is only supported with SGeRAC version A.11.18 on HP-UX
11i v3, and requires the Serviceguard September 2008 Patch (PHSS_38424 or later).
For more information, see the following documents located at http://docs.hp.com
• HP-UX Logical Volume Manager and MirrorDisk/UX Release Note HP-UX 11i v3
• Serviceguard Version A.11.18 Release Notes
HP-UX Logical Volume Manager and MirrorDisk/UX Release Note HP-UX 11i v3 Serviceguard Version
A.11.18 Release Notes
Support for Veritas Volume Manager (VxVM)
Veritas (VxVM) 4.1 from Symantec is supported on HP-UX 11i v3, but VxVM 3.5 is not. If you
are running VxVM 3.5 (as part of the Base Product included with HP-UX), you can do a rolling
upgrade to Serviceguard A.11.18 on HP-UX 11i v3 with VxVM 4.1.
Native Multipathing, Veritas DMP, and Related Features
The HP-UX 11i v3 I/O subsystem provides multipathing and load balancing by default. This is
often referred to as native multipathing. Veritas Volume Manager (VxVM) version 4.1 and
Dynamic Multipathing (DMP) from Symantec are supported on HP-UX 11i v3, but do not provide
multipathing and load balancing; DMP acts as a pass-through driver, allowing multipathing and
load balancing to be controlled by the HP-UX I/O subsystem instead.
When you upgrade a system to HP-UX 11i v3, the I/O subsystem by default will start performing
load balancing and multipathing for all multipath devices (whether or not they are managed by
VxVM/DMP, and whether or not you decide to migrate the system to agile addressing); you do
not have to take any additional steps to make this happen.
For more information about multipathing in HP-UX 11i v3, see the white paper HP-UX 11i v3
Native Multipathing for Mass Storage, and the Logical Volume Management volume of the HP-UX
System Administrator’s Guide in the HP-UX 11i v3 Operating Environments collection at
http://docs.hp.com.
What’s in this Version
The A.11.18 version of Serviceguard Extension for RAC (SGeRAC) is a release that supports the
use of the HP-UX 11i v2 and 11i v3 operating systems, and provides the following additional
features and restrictions:
• Support for Logical Volume Manager Version 2.0 (or later)
• Support for Cluster Interconnect Subnet Monitoring
• Support for Veritas CFS and CVM
• Support for Oracle 9i RAC on SLVM, CFS and CVM
• Support for Oracle 10gR2 RAC on SLVM, ASM, CFS and CVM
• Support for Oracle 11gR1 RAC on SLVM, ASM over SLVM
• Support for the SGeRAC Toolkit
• Support for HP-UX 11i v2 and 11i v3 on HP 9000 and HP Integrity servers
• Support for Online Volume Reconfiguration and Online Node Addition and Deletion with
CFS 4.1 (or later), CVM 4.1 (or later) and CVM version 3.5
• Support for CFS/CVM 4.1 and 5.0 in clusters up to 8 nodes
• Support for CVM version 3.5 in clusters up to 8 nodes
• Support for a maximum of 16-nodes in a cluster when Shared LVM is used
• Hostnames for SGeRAC cluster nodes can be up to 39 characters (bytes) long (The former
limit was 31 characters) SLVM subsystem on HP-UX 11i v2 only supports hostnames up to
31 characters (bytes) long within the SGeRAC configuration
What’s in this Version 9