[Lustre-discuss] recovering formatted OST

Wojciech Turek wjt27 at cam.ac.uk
Thu Oct 21 09:54:53 PDT 2010


Thanks Ken, that worked.

On 21 October 2010 17:39, Ken Hornstein <kenh at cmf.nrl.navy.mil> wrote:

> >Now I have another problem. After last segfault I can not restart the fsck
> >due to MMP.
> >[...]
> >Also when I try to access filesystem via debugfs it fails:
> >
> >debugfs -c -R 'ls' /dev/scratch2_ost16vg/ost16lv
> >debugfs 1.41.10.sun2 (24-Feb-2010)
> >/dev/scratch2_ost16vg/ost16lv: MMP: fsck being run while opening
> filesystem
> >ls: Filesystem not open
> >
> >Is there a way to clear teh MMP flag so it allows fsck to run?
>
> You want tune2fs -f -E clear-mmp
>
> --Ken
>
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