Fsck cannot read block.

From: Ungaro, Matt (mjungaro@capitolindemnity.com)
Date: Tue Oct 14 2003 - 11:58:15 EDT


Hello all,
        I am still working on this Oracle system, it's a 280R running Solaris
9. I have been getting an error message on boot from fsck running on the
metadevice used for /export. Unfortunately, fsck cannot fix the error. The
file system still mounts fine, and appears usable, but I don't want to throw
this into production (Which needs to be done by end of day) without getting
this issue resolved. Here's my output from a 'uname -a', the error I receive
on boot, the error when I try to run fsck in single user mode, the partition
setup on one of the mirrored drives, my vfstab, and the output from metastat
for the metadevice. I've never run into an error like this before. Thanks in
advance!

'uname -a' output:
SunOS rommie 5.9 Generic_112233-08 sun4u sparc SUNW,Sun-Fire-280R

Boot error messages:
/dev/md/rdsk/d34: CANNOT READ: BLK 62217648
/dev/md/rdsk/d34: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.

THE FOLLOWING FILE SYSTEM(S) HAD AN UNEXPECTED INCONSISTENCY:
/dev/md/rdsk/d34 (/export)

WARNING - Unable to repair one or more filesystems.
Run fsck manually (fsck filesystem...).

fsck errors:
bash-2.05# fsck /dev/md/rdsk/d34
** /dev/md/rdsk/d34

CANNOT READ: BLK 62217648
CONTINUE? y

THE FOLLOWING SECTORS COULD NOT BE READ: 0 0 0 0 0 0 0 0 0 0

Format output:
Part Tag Flag Cylinders Size Blocks
  0 root wm 460 - 3069 3.60GB (2610/0/0) 7540290
  1 swap wu 0 - 361 510.65MB (362/0/0) 1045818
  2 backup wm 0 - 24619 33.92GB (24620/0/0) 71127180
  3 unassigned wm 0 0 (0/0/0) 0
  4 unassigned wm 0 0 (0/0/0) 0
  5 unassigned wm 3070 - 24556 29.60GB (21487/0/0) 62075943
  6 unassigned wm 24557 - 24571 21.16MB (15/0/0) 43335
  7 unassigned wm 0 0 (0/0/0) 0

vfstab:
#device device mount FS fsck mount mount
#to mount to fsck point type pass at boot
options
#
fd - /dev/fd fd - no -
/proc - /proc proc - no -
/dev/md/dsk/d31 - - swap - no -
/dev/md/dsk/d30 /dev/md/rdsk/d30 / ufs 1 no -
/dev/md/dsk/d34 /dev/md/rdsk/d34 /export ufs 2 yes
forcedirectio,logging
swap - /tmp tmpfs - yes -
/export/u01 - /u01 lofs - yes -
/export/u02 - /u02 lofs - yes -
/export/u03 - /u03 lofs - yes -
/export/u04 - /u04 lofs - yes -

Metastat info:
d34: Mirror
    Submirror 0: d14
      State: Okay
    Submirror 1: d24
      State: Okay
    Pass: 1
    Read option: roundrobin (default)
    Write option: parallel (default)
    Size: 62075943 blocks (29 GB)

d14: Submirror of d34
    State: Okay
    Size: 62075943 blocks (29 GB)
    Stripe 0:
        Device Start Block Dbase State Reloc Hot Spare
        c1t0d0s5 0 No Okay Yes

d24: Submirror of d34
    State: Okay
    Size: 62075943 blocks (29 GB)
    Stripe 0:
        Device Start Block Dbase State Reloc Hot Spare
        c1t1d0s5 0 No Okay Yes

Matt Ungaro (mjungaro@capitolindemnity.com)
Network Specialist
Capitol Indemnity Corporation
4610 University Ave. Ste. 1400
Madison, WI 53705
Phone: (608)232-5654
Fax: (608)232-5671
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