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Operating Systems AIX PowerHA; Import flash copy of VG? Post 302912879 by j_aix on Tuesday 12th of August 2014 11:48:36 AM
Old 08-12-2014
PowerHA; Import flash copy of VG?

Hey guys, wondering if this is possible to accomplish.

PowerHA SystemMirror7.1 active/passive cluster. Restored a clustered system in test and upgraded to the latest version of PowerHA. Things are working great. However in the interest of time during cut over to the new system, I was hoping to take a flash copy of the data lun (datavg) from the current production cluster and import that to the new system, however, I'm getting stuck removing hdisk1 on the restored system.

Steps to recreate on the new cluster:

Stop the cluster services on both nodes so datavg is varied off

Code:
exportvg datavg

on both nodes - success
Code:
rmdev -l hdisk1 -Rd

on both nodes - success on node2(passive) fail on node1(active)

No matter what I try I can't remove the disk on node1, getting this error.

Code:
Method error (/etc/methods/ucfgdevice):
        0514-062 Cannot perform the requested function because the
                 specified device is busy.

The PVID's are going to change with the flash copy, so my thought was to remove these from ODM on the new system and then drop that lun. Next, add the flashed lun and do:

Code:
cfgmgr
importvg -y datavg hdisk1

Any suggestions?
 

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cmruncl(1m)															       cmruncl(1m)

NAME
cmruncl - run a high availability cluster SYNOPSIS
cmruncl [-f] [-v] [-n node_name...] [-t | -w none] DESCRIPTION
cmruncl causes all nodes in a configured cluster or all nodes specified to start their cluster daemons and form a new cluster. To start 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(1m). This command should only be run when the cluster is not active on any of the configured nodes. This command verifies the network configu- ration before causing the nodes to start their cluster daemons. If a cluster is already running on a subset of the nodes, the cmrunnode command should be used to start the remaining nodes and force them to join the existing cluster. If node_name is not specified, the cluster daemons will be started on all the nodes in the cluster. All nodes in the cluster must be available for the cluster to start unless a subset of nodes is specified. Options cmruncl supports the following options: -f Force cluster startup without warning message and continuation prompt that are printed with the -n option. -v Verbose output will be displayed. -t Test only. Provide an assessment of the package placement without affecting the current state of the nodes or packages. The -w option is not required with the -t option as -t does not validate network connectivity, but assumes that all the nodes can meet any external dependencies such as EMS resources, package subnets, and storage. -n node_name... Start the cluster daemon on the specified subset of node(s). -w none By default network probing is performed to check that the network connectivity is the same as when the cluster was config- ured. Any anomalies are reported before the cluster daemons are started. The -w none option disables this probing. The option should only be used if this network configuration is known to be correct from a recent check. RETURN VALUE cmruncl returns the following value: 0 Successful completion. 1 Command failed. EXAMPLES
Run the cluster daemon: cmruncl Run the cluster daemons on node1 and node2: cmruncl -n node1 -n node2 AUTHOR
cmruncl was developed by HP. SEE ALSO
cmquerycl(1m), cmhaltcl(1m), cmhaltnode(1m), cmrunnode(1m), cmviewcl(1m), cmeval(1m). Requires Optional Serviceguard Software cmruncl(1m)
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