Patch two node cluster
Hi all,
Does anyone have experience with patching messaging cluster? We have active-active messaging store (Sparc, Sun Java(tm) System Messaging Server 6.2-6.01 (built Apr 3 2006)). and want to install -63 patch.
For patch we have to boot server into single user mode. Only documentation about patching cluster is from patch docs:
*** quote
For HA (High Availability) systems, you should remove the Messaging Server from the cluster prior to applying the patch. For example, this could be done by removing the messaging services from the cluster resource groups.
*** end quote
Also, both messaging stores are 60% full (so we can't move users to avoid downtime).
Our (last resort) plan is to:
- remove messaging services from cluster
- boot server to singleuser mode and patch it
- put messaging back to cluster
Documentation does not list what should be done with storage (and other resources of same cluster). How to prevent storage from one node to switch to other node when first node is in singleuser mode)
As I see it, we have high available system that needs to be taken down for a couple of hours for maintenance :)
gljiva
