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Re: [Linux-cluster] How to turn off the cluster attribute of a local volume



Frazier, Darrell USA CRC (Contractor) wrote:

Hi,

I have an issue I havent yet been able to find an answer to. I created a local volume on a cluster node to give it more swap space using command-line tools (pvcreate, vgcreate, lvcreate). Unbeknownst to me, at the time I created the volume, the clvmd subsystem was dead but locked.

Anyway, now the system I have created the filesystem on thinks that the partition created is a clustered partition. I found this out using the vgs command I found in the cluster FAQ (you da man Bob Peterson)

 VG       #PV #LV #SN Attr   VSize   VFree
  homevg     1   1   0 wz--n-   3.12G   1.12G
  optvg      1   1   0 wz--n-   7.84G   2.84G
  rootvg     1   1   0 wz--n-   3.12G   1.12G
  swapvg00   1   1   0 wz--n-   3.12G   1.12G
 / //swapvg01   1   1   0 wz--nc   9.32G 324.00M/
  tmpvg      1   1   0 wz--n-   4.72G   1.69G
  u01vg      1   1   0 wz--n-  33.00G  12.00G
  u02vg      1   1   0 wz--nc 399.61G      0
  usrvg      1   1   0 wz--n-   6.28G   2.28G
  varvg      1   1   0 wz--n-   6.28G   2.28G

Though I would love to know how this happened. It is more important to me right now to know how to disable the clustering attribute on this partition. Thanx much in advance.

*Darrell J. Frazier*
Unix System Administrator
US Army Combat Readiness Center
*//*

Hi Darrell,

Glad to be of service!
What you want to disable the clustering bit is:  vgchange -cn
The answer isn't "exactly" in the faq, but you can find something close here:

http://sources.redhat.com/cluster/faq.html#clvmd_clustered

Regards,

Bob Peterson
Red Hat Cluster Suite


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