Re: Bad blocks

[Oleg Drokin <green@namesys.com>]

Hello!

   There is inferior bad blocks support feature described in our FAQ.
   Also next reiserfsprogs version will have more improved bad blocks support.

Bye,
    Oleg
On Tue, Apr 16, 2002 at 02:13:50AM +0100, Sam Vilain wrote:
> I seem to have some bad blocks on my laptop's hard drive, how do I mark
> them as bad to reiserfs?
> 
> root@hoffman:/usr/share/doc/RFC/unclassified# ls
> hda: read_intr: status=0x5b { DriveReady SeekComplete DataRequest Index Error }
> hda: read_intr: error=0x40 { UncorrectableError }, LBAsect=25866987, sector=4211304
> end_request: I/O error, dev 03:06 (hda), sector 4211304
> vs-13070: reiserfs_read_inode2: i/o failure occurred trying to find stat data of [66745 67408 0x0 SD]
> ls: rfc470.txt.gz: Permission denied
> hda: read_intr: status=0x5b { DriveReady SeekComplete DataRequest Index Error }
> hda: read_intr: error=0x40 { UncorrectableError }, LBAsect=25866987, sector=4211304
> end_request: I/O error, dev 03:06 (hda), sector 4211304
> vs-13070: reiserfs_read_inode2: i/o failure occurred trying to find stat data of [66745 67410 0x0 SD]
> ls: rfc486.txt.gz: Permission denied
> hda: read_intr: status=0x5b { DriveReady SeekComplete DataRequest Index Error }
> hda: read_intr: error=0x40 { UncorrectableError }, LBAsect=25866987, sector=4211304
> end_request: I/O error, dev 03:06 (hda), sector 4211304
> vs-13070: reiserfs_read_inode2: i/o failure occurred trying to find stat data of [66745 67409 0x0 SD]
> ls: rfc478.txt.gz: Permission denied
> rfc1.txt.gz    rfc239.txt.gz  rfc370.txt.gz  rfc501.txt.gz  rfc697.txt.gz  rfc84.txt.gz
>    [...]
> 
> I know I have 8 bad sectors:
> 
> hoffman:/usr/share/doc/RFC/unclassified# dd if=/dev/hda6 of=test skip=4211303 count=2
> dd: reading `/dev/hda6': Input/output error
> 1+0 records in
> 1+0 records out
> hoffman:/usr/share/doc/RFC/unclassified# dd if=/dev/hda6 of=test skip=4211311 count=2
> dd: reading `/dev/hda6': Input/output error
> 0+0 records in
> 0+0 records out
> hoffman:/usr/share/doc/RFC/unclassified# dd if=/dev/hda6 of=test skip=4211312 count=2
> 2+0 records in
> 2+0 records out
> hoffman:/usr/share/doc/RFC/unclassified# 
> 
> `mkreiserfs' is missing the -c and -l options.
> 
> `reiserfsck' aborts during the scan with the message:
> 
> pass_through_tree: unable to read 526413 block on device 0x3
> 
> Apparently, ext2 handles marking sectors as bad automatically.
> 
> How can I deal with this?  If anyone knows of a tool to re-format just
> 8 sectors (to let the disk re-map the blocks elsewhere), that also
> would be helpful.
> 
> Cheers,
> --
>    Sam Vilain, sam@vilain.net     WWW: http://sam.vilain.net/
>     7D74 2A09 B2D3 C30F F78E      GPG: http://sam.vilain.net/sam.asc
>     278A A425 30A9 05B5 2F13
>