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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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mkqdisk(8)						      Quorum Disk Management							mkqdisk(8)

NAME
mkqdisk - Cluster Quorum Disk Utility WARNING
Use of this command can cause the cluster to malfunction. SYNOPSIS
mkqdisk [-?|-h] | [-L] | [-f label] [-c device -l label] [-d [-d ...]] DESCRIPTION
The mkqdisk command is used to create a new quorum disk or display existing quorum disks accessible from a given cluster node. OPTIONS
-c device -l label Initialize a new cluster quorum disk. This will destroy all data on the given device. If a cluster is currently using that device as a quorum disk, the entire cluster will malfunction. Do not run this on an active cluster when qdiskd is running. Only one device on the SAN should ever have the given label; using multiple different devices is currently not supported (it is expected a RAID array is used for quorum disk redundancy). The label can be any textual string up to 127 characters - and is therefore enough space to hold a UUID created with uuidgen(1). -f label Find the cluster quorum disk with the given label and display information about it. -L Display information on all accessible cluster quorum disks. -d Increase debugging level. Specify multiple times for more information. Currently, specifying more than twice has no effect. SEE ALSO
qdisk(5), qdiskd(8), uuidgen(1) July 2006 mkqdisk(8)
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