HP LeftHand SAN Solutions Support Document - Service Notes - VSA 7.0 for VMware ESX

Red Hat Enterprise Linux

On A RHEL Cluster With A Volume In Use, A Network Outage Longer Than

45 Seconds Results In The Volume Not Automatically Remounting [NSM

150 ] (65 45)

Workaround

1 Deactivate the volume that was being used when the node failed on all

other nodes in the cluster:

Example:

[root@rac8] # umount /mnt/home1

[root@rac8] # vgchange -an home1

2 Restart the cluster services on the failed node.

3 Reactivate the VolumeGroup on the other RHCS nodes.

Example:

[root@rac8] # vgchange -ay home1

[root@rac8] # mount /mnt/home1

NOTE: If the network outage does not last long enough to trigger the fence

action by the RHCS lock server, then the volume comes back online

automatically, assuming that the iSCSI process has not timed out itself.

Virtual Managers

Cannot Start Virtual Manager (7367)

Scenario

In a two-node management group, there are two managers running, and a

virtual manager is enabled. The manager the Console used at log in has

stopped for some reason. The Console correctly reports that the

manager disconnected.