Inconsistent snapshots?

Stephen J. Roznowski sjr at comcast.net
Sun Jul 9 03:09:06 UTC 2006


I'm running 6.1-STABLE on an AMD64 current as of a few minutes ago,
and I've booted single user and done a fsck on the filesystems.

I'm running the following commands:

	# mksnap_ffs /home /home/.snap/snapshot

then

	# fsck_ffs /home/.snap/snapshot

and I get the following errors:

** /home/.snap/snapshot (NO WRITE)
** Last Mounted on /home
** Phase 1 - Check Blocks and Sizes
INCORRECT BLOCK COUNT I=1507564 (896 should be 864)
CORRECT? no

INCORRECT BLOCK COUNT I=1507565 (1184 should be 1152)
CORRECT? no

INCORRECT BLOCK COUNT I=1507566 (3104 should be 2976)
CORRECT? no

** Phase 2 - Check Pathnames
** Phase 3 - Check Connectivity
** Phase 4 - Check Reference Counts
UNREF FILE  I=1507560  OWNER=sjr MODE=100600
SIZE=18708 MTIME=Jul  8 22:56 2006 FILE LINKUP IN SNAPSHOT
CLEAR? no

UNREF FILE  I=1507605  OWNER=sjr MODE=100600
SIZE=27571 MTIME=Jul  8 22:56 2006 FILE LINKUP IN SNAPSHOT
CLEAR? no

UNREF FILE  I=1507606  OWNER=sjr MODE=100600
SIZE=38304 MTIME=Jul  8 22:56 2006 FILE LINKUP IN SNAPSHOT
CLEAR? no

UNREF FILE  I=1507607  OWNER=sjr MODE=100600
SIZE=24545 MTIME=Jul  8 22:57 2006 FILE LINKUP IN SNAPSHOT
CLEAR? no

UNREF FILE  I=1507608  OWNER=sjr MODE=100600
SIZE=18099 MTIME=Jul  8 22:57 2006 FILE LINKUP IN SNAPSHOT
CLEAR? no

** Phase 5 - Check Cyl groups

CANNOT ADJUST NUMBER OF FREE BLOCKS: -8
CONTINUE? [yn] n


Othertimes when I run the same commands, I get a consistent snapshot.

Am I doing something wrong?

Thanks,
-SR

-- 
Stephen J. Roznowski    (sjr at comcast.net)


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