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Re: [Linux-cluster] mounting a replicated lun



Thanks. So after vgimportclone ,  I can mount my new lun it seems (?).

What if I remove the original lun (undefine from SAN) from the node so that only the new lun is seen from the os? If I do that I don't even need to vgiimport and I can mount the lun with the same vgname? Am i correct?

Thanks
Paras.


On Thu, Nov 21, 2013 at 11:15 AM, emmanuel segura <emi2fast gmail com> wrote:
Thanks

i didn't know this command :)


2013/11/21 Bryn M. Reeves <bmr redhat com>

On 11/21/2013 04:56 PM, emmanuel segura wrote:
> vgcfgbackup -f /tmp/mylvm.bck c
> change the volume group id: esample
> id = "JGWiR6-J5mh-VnQr-168J-uzj6-RjcD-FtmKQo"
> pvcreate --restorefile /tmp/mylvm.bck --uuid
> "laHRdG-3NPX-MGMj-TQtV-FkV5-Yp3M-gSJaj7" /dev/mapper/mapth5
> vgrename JGWiR6-J5mh-VnQr-168J-uzj6-RjcD-FtmKQo new_vg

It's much better to use the vgimportclone command to do this - it
automates renaming and changing the UUID in a single step.

For one thing the above will fail in the current example due to
duplicate PVs being present.

Regards,
Bryn.




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