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Old April 20th, 2010, 13:06
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Default Can I run fsck to check filesystem consistency in multi user model?
I found that as a regular user run fsck in multi user model will show me a terrible result.
Code:
> fsck
** /dev/ad12s1a (NO WRITE)
** Last Mounted on /
** Root file system
** Phase 1 - Check Blocks and Sizes
** Phase 2 - Check Pathnames
** Phase 3 - Check Connectivity
** Phase 4 - Check Reference Counts
** Phase 5 - Check Cyl groups
647 files, 20650 used, 233165 free (781 frags, 29048 blocks, 0.3% fragmentation)
** /dev/ad12s1h (NO WRITE)
** Last Mounted on /home
** Phase 1 - Check Blocks and Sizes
INCORRECT BLOCK COUNT I=27957309 (4352 should be 384)
CORRECT? no

** Phase 2 - Check Pathnames
** Phase 3 - Check Connectivity
** Phase 4 - Check Reference Counts
UNREF FILE  I=27957307  OWNER=fender MODE=100600
SIZE=4204 MTIME=Apr 20 20:08 2010 
RECONNECT? no


CLEAR? no

UNREF FILE  I=27957309  OWNER=fender MODE=100644
SIZE=2204360 MTIME=Apr 20 20:08 2010 
RECONNECT? no


CLEAR? no

LINK COUNT FILE I=27957310  OWNER=fender MODE=100600
SIZE=4204 MTIME=Apr 20 20:08 2010  COUNT 2 SHOULD BE 1
ADJUST? no

** Phase 5 - Check Cyl groups
FREE BLK COUNT(S) WRONG IN SUPERBLK
SALVAGE? no

SUMMARY INFORMATION BAD
SALVAGE? no

BLK(S) MISSING IN BIT MAPS
SALVAGE? no

4465 files, 570442 used, 123880835 free (355 frags, 15485060 blocks, 0.0% fragmentation)
** /dev/ad12s1d (NO WRITE)
** Last Mounted on /mnt
** Phase 1 - Check Blocks and Sizes
** Phase 2 - Check Pathnames
** Phase 3 - Check Connectivity
** Phase 4 - Check Reference Counts
** Phase 5 - Check Cyl groups
6 files, 6 used, 253809 free (41 frags, 31721 blocks, 0.0% fragmentation)
** /dev/ad12s1f (NO WRITE)
** Last Mounted on /tmp
** Phase 1 - Check Blocks and Sizes
** Phase 2 - Check Pathnames
** Phase 3 - Check Connectivity
** Phase 4 - Check Reference Counts
** Phase 5 - Check Cyl groups
20 files, 12 used, 2029019 free (75 frags, 253618 blocks, 0.0% fragmentation)
** /dev/ad12s1g (NO WRITE)
** Last Mounted on /usr
** Phase 1 - Check Blocks and Sizes
** Phase 2 - Check Pathnames
** Phase 3 - Check Connectivity
** Phase 4 - Check Reference Counts
** Phase 5 - Check Cyl groups
314089 files, 2047841 used, 18263557 free (26301 frags, 2279657 blocks, 0.1% fragmentation)
** /dev/ad12s1e (NO WRITE)
** Last Mounted on /var
** Phase 1 - Check Blocks and Sizes
** Phase 2 - Check Pathnames
** Phase 3 - Check Connectivity
** Phase 4 - Check Reference Counts
UNREF FILE I=377015  OWNER=fender MODE=100600
SIZE=6532 MTIME=Apr 20 20:09 2010 
CLEAR? no

UNREF FILE I=377017  OWNER=fender MODE=100600
SIZE=2688 MTIME=Apr 20 20:09 2010 
CLEAR? no

UNREF FILE I=377018  OWNER=fender MODE=100600
SIZE=2368 MTIME=Apr 20 20:07 2010 
CLEAR? no

** Phase 5 - Check Cyl groups
2556 files, 27602 used, 2001429 free (293 frags, 250142 blocks, 0.0% fragmentation)
>
But, if I reboot and run fsck in single user modle, the system will tell me everything is ok.
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Last edited by fender0107401; April 20th, 2010 at 13:11.
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Old April 20th, 2010, 14:14
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You can run fsck on a mounted filesystem but it cannot fix the errors.
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Old April 20th, 2010, 16:14
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Thank you for the reply, I got it.
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