gmirror metadata

[Michael Riexinger]

Paul Mather wrote:
> 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... :-(
Many many thanks, the board here has such a jumper too, so I think this
solves my problem :)



Kind regards,

Michael Riexinger
systems engineer

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