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Operating Systems Linux Red Hat configuring broadcast traffic to heart commuication RH cluster Post 302690243 by bobby320 on Wednesday 22nd of August 2012 04:43:09 PM
Old 08-22-2012
I was going to knowledge base for your post, and I am planning to use gfs2 filesystem for clustering mysql database. after going through this documentation broadcast mode is not suitable mode for GFS2 ? so what will be alternate mode to configuring filesystem.
Code:
Broadcast mode is not suitable for deployments that require high performance locking. Examples include the following:
GFS/GFS2 deployments that use file locking extensively.
Cmirror usage
Any use of Corosync/OpenAIS outside of Red Hat Enterprise Linux that would require high performance message transport, such as Apache Qpid messaging.

Thanks
 

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cmhaltcl(1m)															      cmhaltcl(1m)

NAME
cmhaltcl - halt a high availability cluster SYNOPSIS
cmhaltcl [-f] [-v] DESCRIPTION
cmhaltcl causes all nodes in a configured cluster to stop their cluster daemons, optionally halting all packages or applications in the process. To stop a cluster, a user must either be superuser(UID=0), or have an access policy of FULL_ADMIN allowed in the cluster configuration file. See access policy in cmquerycl(1). This command will halt all the daemons on all currently running systems. If the user only wants to shutdown a subset of daemons, the cmhaltnode command should be used instead. Options cmhaltcl supports the following options: -f Force the cluster to shutdown even if packages or group members are currently running. This will cause the packages and group members to be halted. If a package halt fails, the cluster halt will also fail. -v Verbose output will be displayed. RETURN VALUE
cmhaltcl returns the following value: 0 Successful completion. 1 Command failed. EXAMPLES
Halt the cluster daemons: cmhaltcl AUTHOR
cmhaltcl was developed by HP. SEE ALSO
cmquerycl(1m), cmhaltnode(1m), cmruncl(1m), cmrunnode(1m), cmviewcl(1m). Requires Optional Serviceguard Software cmhaltcl(1m)
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