HP-UX HB v13.00 Ch-15 - Serviceguard

HP-UX Handbook – Rev 13.00 Page 40 (of 108)
Chapter 15 Serviceguard
October 29, 2013
AUTO_RUN status identifies whether a package can run on any adoptive node.
Node_Switching SWITCHING status identifies whether a package is permitted to run on a specific node.
To enable or disable switching attributes, use the cmmodpkg command. The important option s for this
command are –e (enable) and –d (disable).
Sample commands:
# cmmodpkg –e pkg1 Enable a pkg to run on any adoptive node.
# cmmodpkg –d pkg1 Disable a package from running on any node.
# cmmodpkg –n Node1 –e pkg1 Enable a particular node to run a package.
# cmmodpkg –n Node1 –d pkg1 Prevent a particular node from runing a package.
Reconfiguring a Cluster
You can reconfigure a cluster either when it is halted or while it is still running. However, on
older versions of Serviceguard, some operations can only be done when the cluster is halted.
The following is consolidated from Managing Serviceguard editions covering A.11.16-
A.11.20, however page references in the table pertain to edition 18.
Table: Online/Offline cluster configuration changes
VERSION KEY: 6 = A.11.16 7 = A.11.17 8 = A.11.18 9 = A.11.19 & A.11.20
CLUSTER PARAMETER
MODIFICATION
VERSION
CHANGE ONLINE
CLUSTER_NAME
Change
ALL
NO - The cluster must be
deleted and recreated with a
new cluster name.
HOSTNAME_ADDRESS_FAMILY
IPv4/ANY
9
YES
CLUSTER_LOCK_LUN
Change
9
YES
8
NO - Cluster must be down
QS_HOST
Change
9
YES unless SG-CFS-pkg is
QS_ADDR
running. (pg 326)
QS_POLLING_INTERVAL
6,7,8
NO - Cluster must be down
!updated 2010.1.7
QS_TIMEOUT_EXTENSION
FIRST_CLUSTER_LOCK_VG
Change
9
YES
FIRST_CLUSTER_LOCK_PV
Change
9
YES
8
PROVISIONAL - see pg 361
6,7
NO
NODE_NAME
Add
ALL
YES - Member nodes must
be running