[lustre-discuss] Error on a zpool underlying an OST

Alexander I Kulyavtsev aik at fnal.gov
Fri Mar 11 22:44:00 PST 2016

You lost one "file" only:

I wold take zfs snapshot on ost, mount it as zfs and try to find lustre FID of the file.

If that does not work, I guess zdb with high verbosity level can help to pinpoint broken zfs object, like in
"zdb: Examining ZFS At Point-Blank Range," and see what it is (plain zfs file or else).

Knowing zfs version can be helpful.


On Mar 11, 2016, at 7:19 PM, Bob Ball <ball at umich.edu<mailto:ball at umich.edu>> wrote:

errors: Permanent errors have been detected in the following files:

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