Re: [PATCH] scsi_lib.c: continue after MEDIUM_ERROR

[Mark Lord]

Matt Mackall wrote:
> ..
> Also worth considering is that spending minutes trying to reread
> damaged sectors is likely to accelerate your death spiral. More data
> may be recoverable if you give up quickly in a first pass, then go
> back and manually retry damaged bits with smaller I/Os.

All good input.  But what was being debated here is not so much
the retrying of known-bad sectors, but rather what to do about
the kiBs or MiBs of sectors remaining in a merged request after
hitting a single bad sector mid-way.

Currently, SCSI just abandons the entire remaining workload.

Cheers
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/