add disk to VG in a Cluster

[Joaquin Mejias Gallego]

I need add two disk in a vg in a node of a cluster with two nodes.

After lvm commands, pvcreate,vgextend It is necessary to realize vgexport (vgexport -m -s -p -v in the active node and vgimport in another node, or the cluster internally does all that

[A. Clay Stephenson]

No, MC/SG will not do this on its own. Each potential adoptive node needs to do a vgimport.

[Patrick Wallek]

No, the cluster does not do that automatically.

You must vgexport on one node, then on the other remove and recreate the /dev/vg?? structure for that VG, and then vgimport the VG.

[Henk Geurts]

hi Joaquin
on the other node:
vgexport vgname
mkdir /dev/vgname
mknod /dev/vgname/group c 64 0xXX0000
where XX is identical to minor number of the vg on the active node.
vgimport -s -m /dev/vgname

done....
regards.

[Joaquin Mejias Gallego]

There is no possibility of indicating the cluster that should do the export/import when it changes node?


Thanks to all and sorry for my English

[renarios]

Hi Joaquin,

No, that's not possible, and you just do not want that! Because if your cluster package is switching, mostly that comes on the time when less downtime is needed. So If you change anything in your lvm-configuration, just synchronise it over the entire cluster. You might use rdist for that, but you have to be very sure that al minor numbers are in sync over all clusternodes.

Hope it helps you,

Renarios

[Nguyen Anh Tien]

Hi.
You need to :
1,export vg (vg contain new disk)
2,copy all ralative file to other nodes on cluster
3, Import
Refer this doc for detail
http://www.docs.hp.com/en/B3936-90079/
====> Troubleshooting your Cluster
HTH
tienna