How to FSCK GEOM GELI image

Greg Rivers gcr+freebsd-geom at
Wed Sep 10 16:24:25 UTC 2008

On Wed, 10 Sep 2008, Michael Jung wrote:

> [snip]
> (root at firewall) /home/staff/mikej/bin# fsck /dev/md0c.eli
> fsck: Could not determine filesystem type
> <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

That's because there's no label on that volume.  Give it the type with 
'-t':  fsck -t ufs /dev/md0c.eli

Note that this has nothing to do with geli per se; fsck behaves this way 
with any unlabeled volume.

You might want to run in preen mode instead of answering "yes" or using 
'-y'.  This will safely fix all non-critical errors automatically:
fsck -t ufs -fp /dev/md0c.eli


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