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Re: [Linux-cluster] Adding new file system caused problems



Mikko Partio wrote:
> 
> 
> On Nov 30, 2007 7:05 PM, jr <johannes russek io-consulting net
> <mailto:johannes russek io-consulting net>> wrote:
> 
>     > This morning I created a 100GB volume on our storage unit and
>     > proceeded to make it available to the cluster so it could be served
>     > via NFS to a client on our network.  I used pvcreate and vgcreate
>     as I
>     > always do and created a new volume group.  When I went to create the
>     > logical volume I saw this message:
>     > Error locking on node nfs1-cluster.nws.noaa.gov
>     <http://nfs1-cluster.nws.noaa.gov>: Volume group for uuid
>     > not found:
>     > 9crOQoM3V0fcuZ1E2163k9vdRLK7njfvnIIMTLPGreuvGmdB1aqx6KR4t7mmDRDs
>     >
>     >
> 
> 
> 
> I can confirm this issue with Centos 5.1. When a new volume is added to
> the system, I can not create a lv. Not even clvmd -R helps, in order to
> create the logical volume I must reboot both servers in my two-node
> setup. It's insane that in order to add a volume I must reboot the whole
> cluster!

You should only need to restart clvmd, not the whole cluster.

clvmd -R was buggy before 2.02.28, in fact it made things worse rather
than better!

Patrick


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