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Date:      Tue, 25 Mar 2003 09:14:54 -0500
From:      Bruce Campbell <bruce@engmail.uwaterloo.ca>
To:        freebsd-hardware@FreeBSD.ORG
Subject:   Re: problem on 1TB filesystem RAID 5 3ware
Message-ID:  <1048601694.3e80645e301ec@www.nexusmail.uwaterloo.ca>
In-Reply-To: <3E805B37.4000502@jimking.net>
References:  <1ddv7v840qhcq7j1oekdcov37886hs642h@4ax.com> <200303211911260025.003E1BB2@sentry.24cl.com> <1048360633.3e7cb6b92be8a@www.nexusmail.uwaterloo.ca> <z3CqHD.A.OuV.qTbf-@coal.sentex.ca> <1ddv7v840qhcq7j1oekdcov37886hs642h@4ax.com> <5.2.0.9.0.20030325073233.080a1aa0@192.168.0.12> <3E805B37.4000502@jimking.net>

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Test with a drive listed as "Compatible" also failed 3ware RAID 5.  Details at:

http://www.freebsd.uwaterloo.ca/twiki/bin/view/Freebsd/BackupServerProblem

(go to the bottom and click on "diffs" to see recent changes)

I have openned a bug report:

  http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/50201

As an aside related to some other posts on this topic, my tests with
3ware array rebuilding on FreeBSD worked fine.  I was not able to
test out the hot spare feature, as that would require faking a drive failure
on a live system, and I could not think of an elegant way to do that.
(Suggestions welcome).  I suppose I could just switch off the power
to a drive.

What I did do was shut the system down, and pull out a member drive,
booted immediately, and the array rebuilt itself in the background.
That seems acceptable.



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