01-05-2009
Change the HEARTBEAT_IP for Cluster
I would like to modify the cluster setting from
NODE_NAME hpcluster
NETWORK_INTERFACE lan1
STATIONARY_IP 10.1.1.11
NETWORK_INTERFACE lan2
HEARTBEAT_IP 10.1.2.11
to
NODE_NAME hpcluster
NETWORK_INTERFACE lan1
HEARTBEAT_IP 10.1.1.11
NETWORK_INTERFACE lan2
HEARTBEAT_IP 10.1.2.11
I have modifed the file cmcluster.ascii, but is it necessary to halt the cluster before running "cmapplyconf -C cmcluster.ascii" ?
Also, is there anything should be done for the packages under this cluster? Actually, I do not want any changes for the packages.
Please help, thanks!
PS: OS is HP 11.23
My steps for modifying cluster:
#cd /etc/cmcluster
#cmgetconf -C backup.ascii
(modify cmcluster.ascii)
#cmcheckconf -C cmcluster.ascii
(halt the cluster if necessary)
#cmapplyconf -C cmcluster.ascii
(Any action should be taken on packages?)
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LEARN ABOUT CENTOS
votequorum_overview
VOTEQUORUM_OVERVIEW(8) Corosync Cluster Engine Programmer's Manual VOTEQUORUM_OVERVIEW(8)
NAME
votequorum_overview - Votequorum Library Overview
OVERVIEW
The votequorum library is delivered with the corosync project. It is the external interface to the vote-based quorum service. This service
is optionally loaded into all nodes in a corosync cluster to avoid split-brain situations. It does this by having a number of votes
assigned to each system in the cluster and ensuring that only when a majority of the votes are present, cluster operations are allowed to
proceed.
The library provides a mechanism to:
* Query the quorum status
* Get a list of nodes known to the quorum service
* Receive notifications of quorum state changes
* Change the number of votes assigned to a node
* Change the number of expected votes for a cluster to be quorate
* Connect an additional quorum device to allow small clusters to remain quorate during node outages.
BUGS
No known bugs at the time of writing. The authors are from outerspace. Deal with it.
SEE ALSO
corosync-quorumtool(8), votequorum(5), votequorum_initialize(3), votequorum_finalize(3), votequorum_getinfo(3), votequorum_trackstart(3),
votequorum_trackstop(3), votequorum_fd_get(3), votequorum_dispatch(3), votequorum_context_set(3), votequorum_context_get(3), votequo-
rum_setexpected(3), votequorum_setvotes(3)
corosync Man Page 2012-01-12 VOTEQUORUM_OVERVIEW(8)