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Re: Removing cluster

 
H_16
Trusted Contributor

Removing cluster

I have a single node cluster (HPUX 11.23)

What is the easiest/cleanest way of removing the clustering software.
6 REPLIES 6
Fabio Ettore
Honored Contributor

Re: Removing cluster

Hi,

I think

swremove ServiceGuard

should do that. Also read Release Notes of SG at pag. 68:

"Uninstalling Serviceguard"

http://www.docs.hp.com/en/T1905-90004/T1905-90004.pdf

HTH.

Best regards,
Fabio
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sujit kumar singh
Honored Contributor

Re: Removing cluster

hi



shutdown the cluster.
cmhaltcl -f

this shall also stop the packages gracefully and then uninstall the ServiceGuard product using swremove or using UI of swremove.


regards
sujit
Michael Steele_2
Honored Contributor

Re: Removing cluster

Hi

To remove Serviceguard:

1. If the node is an active member of a cluster, halt the node.

cmhaltcl

2. If the node is included in a cluster configuration, remove the node from the configuration. (* see below cmdeleteconf *)

cmdeleteconf

3. If you are removing Serviceguard from more than one node, issue swremove on one node at a time.

swremove

######################

2) Removing a cluster

cmdeleteconf

Deleting the Cluster Configuration
As root user, you can delete a cluster configuration from all cluster nodes
by using Serviceguard Manager or the command line. The cmdeleteconf command prompts for a verification before deleting the files unless you use the -f option. You can delete the configuration only when the cluster
is down. The action removes the binary configuration file from all the nodes in the cluster and resets all cluster-aware volume groups to be no longer cluster-aware.
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Horia Chirculescu
Honored Contributor

Re: Removing cluster

Hello,

After removing the clustering software, do not forget about restoring the mount points that you cluster had in order to let your current applications in usable form.

Before removing the clustering software, check the

/etc/cmcluster/

for every package that your node has run in order to find out the info that you need.

Horia.
Best regards from Romania,
Horia.
Stephen Doud
Honored Contributor

Re: Removing cluster

1. halt the cluster if it's running (cmhaltcl -f)
2. remove the cluster binary file (cmdeleteconf -f or rm /etc/cmcluster/cmclconfig)
3. swremove the Serviceguard product.

swremove of Serviceguard should not cause a system reboot.
Sachin Kumbla
Frequent Advisor

Re: Removing cluster

Hi

First you have halt the pkgs
cmhaltpkg

Delete the configuration
cmdeleteconf

Halt the cluster
cmhaltcl

swremove the serviceguard depot

It will remove only the service guard partially cos it has dependency with WBEM.

Rgds

Sachin Kumbla