On Jun 17, 2009 09:41 -0600, Daniel Kulinski wrote: > As we move forward with our lustre testing I am wondering about MDT backup. > > Is it feasible to unmount the MDT, create an image of it and remount it > after the backup. Of course this wouldn't happen but nightly. > > >From what I can identify, in the case of an MDT failure we would have to do > the following: > > Restore from the last backup. > > Run an lfsck across the filesystem. > > Am I missing anything else at this point? We will also be doing file level > backups of the filesystem as a whole but we are looking for quick ways to > recover from an MDT failure.
There is a documented process for doing MDT backup/restore that should be used. In particular there are some files which shold not be restored if the MDT is being restored. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc. _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
