From: Mark Lord <liml@rtr.ca>
To: Matt Mackall <mpm@selenic.com>
Cc: Alan <alan@lxorguk.ukuu.org.uk>, Ric Wheeler <ric@emc.com>,
James Bottomley <James.Bottomley@HansenPartnership.com>,
linux-kernel@vger.kernel.org,
IDE/ATA development list <linux-ide@vger.kernel.org>,
linux-scsi <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH] scsi_lib.c: continue after MEDIUM_ERROR
Date: Fri, 02 Feb 2007 17:58:04 -0500 [thread overview]
Message-ID: <45C3C1FC.8020500@rtr.ca> (raw)
In-Reply-To: <20070202194956.GF16722@waste.org>
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
next prev parent reply other threads:[~2007-02-02 22:58 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-31 0:47 [PATCH] scsi_lib.c: continue after MEDIUM_ERROR Mark Lord
2007-01-31 1:12 ` [PATCH] RESEND " Mark Lord
2007-01-31 1:16 ` [PATCH] " James Bottomley
2007-01-31 1:36 ` Mark Lord
[not found] ` <311601c90701301725n53d25a74g652b7ca3bfc64c56@mail.gmail.com>
2007-01-31 1:41 ` Mark Lord
2007-01-31 3:20 ` Ric Wheeler
2007-01-31 4:21 ` James Bottomley
2007-01-31 15:13 ` Mark Lord
2007-01-31 15:22 ` Mark Lord
2007-01-31 15:24 ` James Bottomley
2007-01-31 5:09 ` Douglas Gilbert
2007-01-31 15:08 ` Mark Lord
2007-01-31 15:23 ` Alan
2007-01-31 16:35 ` Ric Wheeler
2007-01-31 17:57 ` Mark Lord
2007-01-31 18:13 ` James Bottomley
2007-01-31 18:37 ` Mark Lord
2007-01-31 9:30 ` Jeff Garzik
2007-01-31 14:36 ` Ric Wheeler
2007-01-31 15:28 ` Douglas Gilbert
2007-01-31 15:38 ` Mark Lord
2007-02-01 20:02 ` Mark Lord
2007-02-01 21:55 ` James Bottomley
2007-02-02 2:48 ` Mark Lord
2007-02-02 12:20 ` Ric Wheeler
2007-02-02 14:42 ` Alan
2007-02-02 14:53 ` James Bottomley
2007-02-02 16:16 ` Ric Wheeler
2007-02-02 20:16 ` Douglas Gilbert
2007-02-02 14:50 ` Alan
2007-02-02 16:06 ` Mark Lord
2007-02-02 19:49 ` Matt Mackall
2007-02-02 22:58 ` Mark Lord [this message]
2007-02-02 23:07 ` Matt Mackall
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