uncorrectable data block

From: Hong Wang (hwang@haverford.edu)
Date: Tue Mar 18 2003 - 16:48:37 EST


We have sun Ultra10 running solaris2.6. Recently we got the error in
/var/adm/messages:

Mar 18 16:04:54 nisc2 unix: Uncorrectable data Error: Block 1250
Mar 18 16:04:54 nisc2 unix:
Mar 18 16:04:54 nisc2 unix: WARNING: /pci@1f,0/pci@1,1/ide@3/dad@0,0 (dad0):
Mar 18 16:04:54 nisc2 unix: disk not responding to selection
Mar 18 16:04:54 nisc2 unix:
Mar 18 16:04:54 nisc2 unix: WARNING: /pci@1f,0/pci@1,1/ide@3/dad@0,0 (dad0):
Mar 18 16:04:54 nisc2 unix: ATA transport failed: reason 'reset':
retrying command
Mar 18 16:04:54 nisc2 unix:
Mar 18 16:04:54 nisc2 unix: WARNING: interrupt level 4 not serviced
Mar 18 16:04:54 nisc2 unix: dad0: disk okay

So when I run format:

analyze> read
Ready to analyze (won't harm SunOS). This takes a long time,
but is interruptable with CTRL-C. Continue? y
pass 0
DIOCTL_RWCMD: I/O error
DIOCTL_RWCMD: I/O error

Is there way to fix it without replacing the disk? fsck can solve the problem?

Hong
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