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Full Discussion: How to make existing volume group "shared"?
Operating Systems AIX How to make existing volume group "shared"? Post 302842579 by ibmtech on Friday 9th of August 2013 01:24:41 PM
Old 08-09-2013
Hello there,
After reading your post I assume that you wanted the newly created VG to be shared,
For that you need couple of things,
The reserve policy of each disk under that VG should be 'NO' and the VG must be concurrent capable.

Now, you can add a new VG, LV and File system to a cluster without bringing it down or causing a failover. use CSPOC to add a VG to your cluster.

So, before creating vg, on each disk run chdev -l hdisk -a RSV=no (where RSV=reserve_lock or policy depending upon your storage).

Now, you CSPOC to create a new VG, it will create a vg and what even you want (like LV and FS) and also sync the cluster, meaning updating the same info at the passive node.
 

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LEARN ABOUT DEBIAN

mkqdisk

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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