Offline uncorrectable sectors on hard drive
Patrick Proniewski
patpro at patpro.net
Sun Oct 4 11:22:26 UTC 2009
Hi Michael,
On 4 oct. 09, at 10:50, Michael Fuckner wrote:
>> - is that "Offline uncorrectable sectors" in fact correctable? I've
>> found howto's for extfs and reiserfs to correct this kind of error
>> by remapping bad sectors, but nothing for UFS.
>> - this error appears to have disappeared, does it mean the
>> harddrive (or the fs) made the remapping by it self?
> sector errors are on the hardware, they don't deal with the
> filesystem.
>
> Perhaps it was a once in a lifetime event, perhaps the drive is
> going to die really soon.
>
> Please do a smartctl -t long and see if the drive has to be replaced.
here is the result (from `smartctl -l selftest /dev/ad6` after the
`smartctl -t long /dev/ad6` ):
Warning! SMART Attribute Thresholds Structure error: invalid SMART
checksum.
=== START OF READ SMART DATA SECTION ===
SMART Self-test log structure revision number 1
Num Test_Description Status Remaining
LifeTime(hours) LBA_of_first_error
# 1 Extended offline Completed without error 00%
34350 -
# 2 Short offline Completed without error 00%
34339 -
# 3 Extended offline Completed: read failure 20%
34317 201626851
# 4 Short offline Completed without error 00%
34315 -
# 5 Short offline Completed without error 00%
34291 -
# 6 Short offline Completed without error 00%
34267 -
# 7 Short offline Completed without error 00%
34243 -
# 8 Short offline Completed without error 00%
34220 -
# 9 Short offline Completed without error 00%
34196 -
#10 Short offline Completed without error 00%
34172 -
#11 Extended offline Completed without error 00%
34150 -
#12 Short offline Completed without error 00%
34148 -
#13 Short offline Completed without error 00%
34124 -
#14 Short offline Completed without error 00%
34100 -
#15 Short offline Completed without error 00%
34076 -
#16 Short offline Completed without error 00%
34053 -
#17 Short offline Completed without error 00%
34029 -
#18 Short offline Completed without error 00%
34005 -
#19 Extended offline Completed without error 00%
33983 -
#20 Short offline Completed without error 00%
33981 -
#21 Short offline Completed without error 00%
33957 -
It looks like the error is gone, but may be I'm wrong.
regards,
patpro
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