Date: Thu, 10 Mar 2005 13:20:10 -0500 From: Paul Mather <paul@gromit.dlib.vt.edu> To: Michael Riexinger <michael.riexinger@de.clara.net> Cc: freebsd-geom@freebsd.org Subject: Re: gmirror metadata Message-ID: <1110478810.15725.25.camel@zappa.Chelsea-Ct.Org> In-Reply-To: <200503100931.55627.michael.riexinger@de.clara.net> References: <200503091503.33431.michael.riexinger@de.clara.net> <1110408229.690.8.camel@zappa.Chelsea-Ct.Org> <20050309232448.GA28861@alzatex.com> <200503100931.55627.michael.riexinger@de.clara.net>
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On Thu, 2005-03-10 at 09:31 +0100, Michael Riexinger wrote:
> The strange thing is: When I labeled the second drive with gmirror and
> rebooted the machine, the raid bios said something like 'new disk
> detected' and rebooted automatically, and then it put it's own metatata
> on it...
That's what I remember happening to me. After attaching the drives and
starting up again, the RAID BIOS declared something about "new disk
detected." Apparently, it also spammed over my geom_mirror metadata
with its own. I guess, for some reason, it wanted to mark the drives as
"unused/unallocated" in any of its RAIDs, rather than taking the more
polite approach of denoting an *absence* of its chosen metadata to
indicate that fact. (I wouldn't have minded so much if I'd explicitly
marked the drives as "spares" or similar, but I didn't want the RAID to
use them at all. Like I said, its behaviour was all very rude.:)
The LSI MegaRAID IDE 100 card I was using does have an "EPROM
enable/disable" jumper on it to disable the RAID BIOS and make the card
revert (I guess) to a standard IDE controller. However, in that mode, I
couldn't seem to boot from it. That might have more to do with the
finicky Dell BIOS in my system, though... :-(
Cheers,
Paul.
--
e-mail: paul@gromit.dlib.vt.edu
"Without music to decorate it, time is just a bunch of boring production
deadlines or dates by which bills must be paid."
--- Frank Vincent Zappa
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