badsect

Vulpes Velox v.velox at vvelox.net
Fri Feb 25 00:31:19 GMT 2005


On Thu, 24 Feb 2005 17:49:37 +0100
"Poul-Henning Kamp" <phk at phk.freebsd.dk> wrote:

> In message <53844.194.225.42.20.1109263952.squirrel at ce.sharif.edu>,
> falaki at ce.s harif.edu writes:
> >Hello;
> >
> >I have a hard disk that seems to have some limitted number of bad
> >sectors. I want to use badsect to avoid these errors.
> >
> >   ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=27546816
> >   ad0: FAILURE - READ_DMA timed out
> >
> >I tried this:
> >
> >   #badsect /mnt/data 27546816
> >
> >and got:
> >
> >   block 27546816 out of range of file system
> >   don't forget to run fsck ...
> >
> >What should I do?
> 
> You should let your disk deal with it.
> 
> Try booting single user and:
> 
> 	dd if=/dev/ad0 of=/dev/null bs=1m
> 
> and see how much damage there actually is.
> 
> If there is much damage, you may want to use
> 	src/tools/tools/recoverdisk
> instead

Hmm, when might this make it into releng_5?


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