mount help on bad drive.

pete snider psnider at adelphia.net
Wed Aug 3 23:48:00 EDT 2005


One of the disks on my system has developed a bad spot after the start 
of the second partition and of course will not mount.  The filesystem is 
an ext3 with journal enabled.  I've tried 'mount -r -t ext3 -o 
debug,noload,errors=continue /dev/sda2 /mnt' and with sb=8193 but the 
partition refuses to mount.  The error message is a generic error:
mount: wrong fs type, bad option, bad superblock on /dev/sda2,
       missing codepage or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so
and dmesg states: ext3: No journal on filesystem on sda2

I've tried various sb numbers which were 8192 x n +1, without success.  
Any other ideas of how to mount the partition or copied the readable 
data?  By using 'dd' the bad spot looks small area.  The driver gives 
the following errors in dmesg - DriveReady SeekComplete Error 
UncorrectableError - during the 'dd'.  There are no driver errors during 
the mount.  The kernel is  2.6.12.2.

Thanks in advance for any suggestions, ideas, or thoughts.
-pete





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