Using Serviceguard Extension for RAC, 5th Edition, June 2007

Introduction to Serviceguard Extension for RAC
What is a Serviceguard Extension for RAC Cluster?
Chapter 1 19
There are also packages that run on several cluster nodes at once, and do
not fail over. These are called system multi-node packages and
multi-node packages. As of Serviceguard Extension for RAC A.11.17, the
only non-failover packages that are supported are those specified by
Hewlett-Packard, for example the packages HP supplies for use with the
Veritas Cluster Volume Manager (CVM) and the Veritas Cluster File
(CFS) System (on HP-UX releases that support Veritas CFS and CVM;
see “About Veritas CFS and CVM from Symantec” on page 22).
A system multi-node package must run on all nodes that are active in the
cluster. If it fails on one active node, that node halts. A multi-node
package can be configured to run on one or more cluster nodes. It is
considered UP as long as it is running on any of its configured nodes.
NOTE In RAC clusters, you create packages to start and stop RAC itself as well
as to run applications that access the database instances. For details on
the use of packages with RAC, refer to section, “Using Packages to
Configure Startup and Shutdown of RAC Instances” on page 188 located
in chapter 3.