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

[Robert Peterson]

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