Re: disk or reiserfs problem?

[Hans Reiser <reiser@namesys.com>]

Oleg Drokin wrote:

>Hello!
>
>On Wed, May 28, 2003 at 01:07:27PM -0700, Jeff Breidenbach wrote:
>  
>
>>This is after a hard (power switch) reboot (due to I/O errors). The
>>disk in question has about 125 GB of data on a single 200GB reiserfs
>>partition. Do people think the disk is toast, or is this possibly some
>>correctable filesystem problem? The machine is remote, so I can't
>>hdb1: bad access: block=35, count=5
>>end_request: I/O error, dev 03:41 (hdb), sector 35
>>    
>>
>
>Looks like disk have gone bad. If you are lucky enough, some of the data
>still can be recovered. Try to copy entire disk into a file/to another
>disk to see how much bad sectors are there.
>
>Bye,
>    Oleg
>
>
>  
>
You should provide more details in such advice, such as telling him 
about dd_rescue and why it is better than dd, etc.  You should also 
explain that if it is only a few blocks that are bad, writing to the bad 
blocks can make them go away most of the time (the drive will remap them).

-- 
Hans