Re: Driver retries disk errors.

From: Alan Cox
Date: Tue Aug 31 2004 - 07:56:54 EST


On Llu, 2004-08-30 at 17:39, Rogier Wolff wrote:
> We encounter "bad" drives with quite a lot more regularity than other
> people (look at the Email address). We're however, wondering why the
> IDE code still retries a bad block 8 times? By the time the drive
> reports "bad block" it has already tried it several times, including a
> bunch of "recalibrates" etc etc. For comparison, the Scsi-disk driver
> doesn't do any retrying.

It helps for some things like magneto-opticals. For generic hard drives
its only relevant for older devices.

> (*) Note: Tested last month: The driver still works for MFM
> drives. However, the initialization apparently is not enough
> anymore. The drive did not work when the BIOS didn't think there was a
> drive.

Please file a bug report if 2.6 also shows that problem.

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