[Lustre-discuss] recovering formatted OST

Ken Hornstein kenh at cmf.nrl.navy.mil
Thu Oct 21 09:39:40 PDT 2010


>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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