On Monday 08 October 2007 21:01:58 Jordi Prats wrote: > Hi, > You could use clvm (cluster LVM): > http://sources.redhat.com/cluster/clvm/ to do snapshots on a clustered > environment. Snapshots are not supported in clvmd. Maybe in RHEL5 update 2.
Regards, Nuno Fernandes > You need to setup the RedHat cluster infrastructure, but this shouldn't > be a problem. > > I agree that rman is the correct solution to oracle backups :) > > regards, > Jordi > > Alexei_Roudnev wrote: > > I dont knoiw any lvm technology which can make a snapshort in clustered > > environment, so better forget this idea. > > > > Recommended method to do oracle backups is rman. Any violation of this > > brings you into the swamp of possible oracle bugs. > > > > > > ----- Original Message ----- From: "Jordi Prats" <[EMAIL PROTECTED]> > > To: "Riccardo Paganini" <[EMAIL PROTECTED]> > > Cc: <[email protected]> > > Sent: Monday, October 08, 2007 11:20 AM > > Subject: Re: [Ocfs2-users] OCF2 and LVM > > > >> Hi, > >> I'm not an expert on oracle, but I don't think using a snapshot is a > >> recommended backup solution. You should use data pump or exp utilities > >> to backup your database. > >> > >> To extend your fs, tune2fs.ocfs2 requires you to umount it, according > >> to it's man page: > >> > >> == > >> tunefs.ocfs2 is used to adjust OCFS2 file system parameters on disk. > >> In order to prevent data loss, tunefs.ocfs2 will not perform any > >> action on the specified device if it is mounted on any node in the > >> cluster. This tool requires the O2CB cluster to be online. > >> == > >> > >> The concrete command should be: tune2fs.ocfs2 -S /dev/LVM_volume > >> > >> I don't know if there's any way to extend it without umounting it. > >> > >> If you want to extend your fs without umounting it you should use ASM > >> instead of OCFS2. > >> > >> regards, > >> Jordi > >> > >> Riccardo Paganini wrote: > >>> Does anybody knows if is there a certified procedure in to backup a > >>> RAC DB 10.2.0.3 based on OCFS2 , > >>> via split mirror or snaphots technology ? > >>> > >>> > >>> Using Linux LVM and OCFS2, does anybody knows if is possible to > >>> dinamically extend an OCFS filesystem, > >>> once the underlying LVM Volume has been extended ? > >>> > >>> Thanks in advance > >>> Riccardo Paganini > >>> > >>> _______________________________________________ > >>> Ocfs2-users mailing list > >>> [email protected] > >>> http://oss.oracle.com/mailman/listinfo/ocfs2-users > >> > >> _______________________________________________ > >> Ocfs2-users mailing list > >> [email protected] > >> http://oss.oracle.com/mailman/listinfo/ocfs2-users > > _______________________________________________ > Ocfs2-users mailing list > [email protected] > http://oss.oracle.com/mailman/listinfo/ocfs2-users _______________________________________________ Ocfs2-users mailing list [email protected] http://oss.oracle.com/mailman/listinfo/ocfs2-users
