On Monday 07 November 2011 11:13:52 Kaloyan Kovachev wrote: > Hi, > > On Fri, 4 Nov 2011 14:05:34 -0400, "Nicolas Ross" > > <rossnick-lists@xxxxxxxxxxx> wrote: > > Hi ! > > > > We are curently using RHEL 6.1 with GFS2 file systems on top of > > fiber-channel stoarage for our cluster. All fs' are in lv's, with clvmd. > > As they are LV's, you may try to make a snapshot Is it possible to make snapshots in a *cluster* LVM environment ? Last time I read the manual it was not possible. Oops, possible starting with RH 6.1, okay ... http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html- single/Logical_Volume_Manager_Administration/index.html#snapshot_command > and then mount it with > lock_nolock - faster and won't interfere with other services. If you can make snapshots, I agree, it is a good solution to mount a snapshot on a dedicated node. But perhaps this can also be done at the storage level, one layer deeper ? > If you are > not mounting it on dedicated backup node where the fs is not mounted, you > may need to change the UUID and lock table to be able to mount the snapshot > on the same machine. > > -- > Linux-cluster mailing list > Linux-cluster@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/linux-cluster -- Xavier Montagutelli http://twitter.com/#!/XMontagutelli Service Commun Informatique - Universite de Limoges 123, avenue Albert Thomas - 87060 Limoges cedex Tel : +33 (0)5 55 45 77 20 / Fax : +33 (0)5 55 45 75 95 -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
