From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Erik Mouw <erik@harddisk-recovery.com>
Cc: Rogier Wolff <R.E.Wolff@harddisk-recovery.nl>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-ide@vger.kernel.org
Subject: Re: Driver retries disk errors.
Date: Tue, 31 Aug 2004 16:13:54 +0100 [thread overview]
Message-ID: <1093965233.599.8.camel@localhost.localdomain> (raw)
In-Reply-To: <20040831155653.GD17261@harddisk-recovery.com>
On Maw, 2004-08-31 at 16:56, Erik Mouw wrote:
> The SCSI disk driver has been doing a single retry for quite some time
> and it hasn't really bitten people. Why would the IDE disk driver be
> different? The only case I can imagine a retry would be OK, is when we
> get an UDMA CRC error (caused by bad cables).
Retries also pop up in other less obvious cases and conveniently paper
over a wide variety of timeouts, power management quirks and drives just
having a random fit. Eight is probably excessive in all cases.
For non hard disk cases many devices do want and need retry.
Alan
next prev parent reply other threads:[~2004-08-31 15:13 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-30 16:39 Driver retries disk errors Rogier Wolff
2004-08-30 17:46 ` Theodore Ts'o
2004-08-30 18:26 ` James Courtier-Dutton
2004-08-30 22:25 ` Rogier Wolff
2004-08-31 11:38 ` Alan Cox
2004-09-02 16:23 ` Eric Mudama
2004-08-30 22:17 ` Rogier Wolff
2004-08-31 11:45 ` Alan Cox
2004-08-31 13:45 ` Andre Hedrick
2004-08-31 13:54 ` Rogier Wolff
2004-08-31 14:12 ` Alan Cox
2004-08-31 15:56 ` Erik Mouw
2004-08-31 15:13 ` Alan Cox [this message]
2004-08-31 17:00 ` Erik Mouw
2004-08-31 16:12 ` Alan Cox
2004-08-31 22:55 ` Christer Weinigel
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