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List: freebsd-fs
Subject: Re: Adaptec 2820sa redux, and possible problems
From: Ensel Sharon <user () dhp ! com>
Date: 2006-06-21 0:49:00
Message-ID: Pine.LNX.4.21.0606202046470.12027-100000 () shell ! dhp ! com
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On Wed, 21 Jun 2006, Steven Hartland wrote:
> > The drives are Hitachi 500 GB 7200 RPM 16meg:
> >
> > HDS725050KLA360
> >
> > Adaptec told me today that these drives are verified or approved or
> > something with that card...
> >
> > So in your case, you made multiple arrays with those drives, and then
> > large data moves between arrays caused crashes, and it turned out to
> > be the drives fault ? I would think the problem you describe would
> > manifest itself locally to a single array ...
>
> Thats correct. Changing the driver to always use high bit addressing
> if supported fixed the issue.
Cool. And there was no data loss involved in the bad behavior ? That is,
if you hadn't fixed it, it would have been merely annoying and unreliable,
but always recoverable ?
To be honest, it looks and smells just like the snapshot
problems. Obviously it isn't, since I am not running any snapshots, but
the point is, all of the snapshot bugs could be manifested simply by
copying all of /usr/ports from one partition to another, and this looks
and smells just like that.
But what do I know.
Can anyone help me with aac specifically, and this 2820sa ? I can provide
many more details if necessary ... I'd _love it_ if I could just patch my
driver and go off into the sunset...
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