Date: Thu, 29 Jul 2004 01:43:29 +0100 From: David Kreil <kreil@ebi.ac.uk> To: freebsd-fs@freebsd.org, freebsd-questions@freebsd.org Cc: Kreil@ebi.ac.uk Subject: How to recover/reinitialize a trashed /var partition? Message-ID: <200407290043.i6T0hTC26000@puffin.ebi.ac.uk>
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Hello,
I am writing in the hope that someone can give me a hint of how to either
recover or recreate a virgin FreeBSD /var partition in an otherwise
(apparently) functioning system.
Probably in the process of a drive failure in our hardware raid our /var
volume got corrupted (yeah, I know this should not happen... sigh. I now also
understand why it is recommended having /var on a separate partition...).
I tried running fsck -y on /var after umount-ing it, which gives a
segmentation fault (exit on signal 11) some way through the process after
displaying
** Phase 2 - Check Pathnames
ROOT INODE UNALLOCATED
UNEXPECTED SOFT UPDATE INCONSISTENCY
ALLOCATE? yes
CG 0: BAD MAGIC FILE NUMBER
UNEXPECTED SOFT UPDATE INCONSISTENCY
Now I wonder
- is this beyond repair? I should much like to recover /var,
just to be able to have a look at the /var/logs to get an idea what
went wrong when. About 3.6GB are reported to be in use by df.
- If I cannot recover the /var partition, what is the canonical way of
recreating it? I suppose I can run newfs on it, but how do I create the
necessary subdir structure with the right file-permissions? Could
/stand/sysinstall do that?
With many thanks for your help in advance,
Yours sincerely,
David.
------------------------------------------------------------------------
Dr David Philip Kreil ("`-''-/").___..--''"`-._
Research Fellow `6_ 6 ) `-. ( ).`-.__.`)
University of Cambridge (_Y_.)' ._ ) `._ `. ``-..-'
++44 1223 764107, fax 333992 _..`--'_..-_/ /--'_.' ,'
www.inference.phy.cam.ac.uk/dpk20 (il),-'' (li),' ((!.-'
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