What does zpool status report? On Mon, May 12, 2025, 2:41 AM Noskov, Dr. Sergey via lustre-discuss < [email protected]> wrote:
> Hi everyone, > > > > we have a problem and I would be very grateful for help or advice. > > > > We are using ZFS for metadata and object storage target in our Lustre. One > of the pools is a draid3:12d:42c:2s-0 is became no longer importable after > one of the disks failed. > > > > on startup zpool import: > > > > pool: l1fs-OST010b > > id: 6548008278833985886 > > state: FAULTED > > status: One or more devices contains corrupted data. > > action: The pool cannot be imported due to damaged devices or data. > > see: https://openzfs.github.io/openzfs-docs/msg/ZFS-8000-5E > > ... > > > > the commands > > > > zpool import -f l1fs-OST010b > > zpool import -F l1fs-OST010b > > zpool import -F -X l1fs-OST010b > > > > yield: > > cannot import 'l1fs-OST010b': I/O error > > Destroy and re-create the pool from > > a backup source. > > > > zdb -e ends very quickly with the I/O error > > Some tool said there is missing metadata in the zpool. > > > > Does anyone have any productive advice for us other than what is on the > website > > https://openzfs.github.io/openzfs-docs/msg/ZFS-8000-5E > > ? > > > > Now the question: how do we proceed if we have to reformat the OST? > > At the moment we see the plan as: > > Disable the broken OST (or is it possible to use the same name for OST?) > > create a new pool and integrate it into the Lustre > > > > What do we do with the files on the broken OST, can we just delete them > now? Can the difference in metadata and object targets be repaired with > Lustre-FSCK or somehow? > > > > Thanks in advance > > > > With best regards > > > > Sergey Noskov > > > > > _______________________________________________ > lustre-discuss mailing list > [email protected] > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org >
_______________________________________________ lustre-discuss mailing list [email protected] http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
