Re: Problem in IDE Disks cache handling in kernel 2.4.XX

From: John Bradford (john@grabjohn.com)
Date: Fri Jan 10 2003 - 05:19:59 EST


> And by the way how are powered off the IDE drives ?
> Because a FLUSH CACHE or STANDY or SLEEP is MANDATORY before
> powering off the drive with cache enabled or you will enjoy lost
> data.

This was discussed on the list a few months ago:

http://marc.theaimsgroup.com/?l=linux-kernel&m=103188486216124&w=2

I'm not sure it really got fully resolved, I had disks that would
spin down and then spin up again, because of the order that the
standby and flush cache commands were sent.

John
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