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Date:      Thu, 05 Feb 2015 19:20:55 +0100
From:      Bengt Ahlgren <bengta@sics.se>
To:        freebsd-fs@freebsd.org
Subject:   Advice on disk media error recovery
Message-ID:  <uh7lhkcfce0.fsf@P142s.sics.se>

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I have a five-disk non-redundant zpool where two disks have media
errors.  One with five sectors unreadable and the other with three
sectors.

I would like to recover as much data as possible from these disks.  What
are my possible options?  (And, no, there is no backup.)

Making block-copy clones of the faulty disks and removing files that had
the media errors?

Copying the files that can be read from the pool to a different pool on
other disks?

Other recommendations?  Any help appreciated!

Bengt



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