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List:       smartmontools-support
Subject:    Re: [smartmontools-support]Re: fixing pending sector on ReiserFS
From:       "Anton Losev" <phunk () mail ! ru>
Date:       2005-06-07 16:24:00
Message-ID: 098c01c56b7d$52f4b4e0$0100007f () localhost
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Well, seems like
debugreiserfs -1 block_number
shows the data located on that block and forces drive to re-read it, so it 
relocates the sector, at least as did to me. All the previous steps (finding 
out the block number) were the same as in case of ext2/3.
I'd say it was easier and much faster than using debugfs (on 300 GB drive), 
and worked even for unused block. As I know debugfs won't force re-reading 
in such situation, but debugreiserfs did, and the sector was relocated. Now 
drive feels fine for a week already, no test fails or pending sectors. Thank 
you for a great software.


----- Original Message ----- 
From: "Bruce Allen" <ballen@gravity.phys.uwm.edu>
To: "Gregory Mokhin" <mok@kde.ru>
Cc: <smartmontools-support@lists.sourceforge.net>
Sent: 27 ??? 2005 ?. 22:14
Subject: Re: [smartmontools-support]Re: fixing pending sector on ReiserFS


> Gregory,
>
> You got lucky.  After a few retries, the disk succeeded in reading the bad
> blocks.  As soon as it did this, it moved the data onto new good spare
> sectors, then marked the old sectors as 'bad' and stopped using them.
>
> Cheers,
> Bruce
>
> On Fri, 27 May 2005, Gregory Mokhin wrote:
>
>> Recently I had this problem with a hard drive and a reiserfs
>> partition.  There were 6 pending sectors. After reading
>> BadBlockHowTo.txt I was almost hopeless.
>>
>> Anyway I did
>>
>> # dd if=/dev/hdc1 of=/dev/null bs=512
>>
>> on a faulty partition. Of course, it failed at the same block as
>> smartctl showed as bad.
>>
>> Then I ran again same command
>>
>> # dd if=/dev/hdc1 of=/dev/null bs=512
>>
>> it stopped on another block.
>>
>> After the third run of dd there were no bad blocks - they were all
>> relocated automagically... smartctl confirmed this. No clue why, but
>> it worked.
>>
>> Regards,
>> Gregory
>>
>> Bruce Allen wrote:
>> > Anton,
>> >
>> > I don't know how to use debugreiserfs.  If you can figure this out, I
>> > would be very happy if you could update BadBlockHowTo.txt with 
>> > information
>> > and/or an example.
>> >
>> > Cheers,
>> > Bruce
>> >
>> > On Thu, 26 May 2005, Anton Losev wrote:
>> >
>> >
>> >>Hello.
>> >>Can anyone give a clue of fixing pending sector on ReiserFS partition?
>> >>BadBlockHowTo.txt works with ext2/3 only, and i'm not that experienced 
>> >>to
>> >>find out how debugreiserfs or any other appropriate tool works. Thank 
>> >>you in
>> >>advance.
>> >>
>> >>
>>
>>
>>
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