Dell 2950 Perc 5/i RAID Controller and FreeBSD 6.1 Question

Brian A. Seklecki lavalamp at
Tue Oct 31 16:53:54 UTC 2006

See the question archive:

Date: Thu, 26 Oct 2006 20:42:49 +0200
From: Erik Trulsson <ertr1013 at>
To: "Marthias, Santosso" <SMarthias at>
Cc: freebsd-questions at
Subject: Re: FreeBSD 6.1 and RAID controller PERC 5/i in DELL PowerEdge 

Similar problem report to yours

> Anybody know about this issue? Any suggestion?

There have been several bug fixes and improvements made to the mfi(4) 
since 6.1 was released, including one that is supposed to fix problems 
multiple volumes.

I would suggest trying the latest 6.2-BETA and see if that works better. 
probably will.)

<Insert your favourite quote here.>
Erik Trulsson
ertr1013 at


On Thu, 26 Oct 2006, Krempasky, Mark wrote:

> Hi,
> We have a new Dell 2950 with 6 disks, we have verified that the bios and
> raid controller firmware are up to date.
> Our issue is: after creating 3, RAID 1 virtual disk groups and
> initializing them we successfully install FreeBSD 6.1 on the first raid
> group.
> We then create a file system on the second raid group which seems to
> wipe out the FreeBSD install on the first disk group.
> It seems as though FreeBSD6.1 is not differentiating between the
> different disk groups thus when you make changes to 1 group it will
> write the changes to the other.
> Anyone have any ideas on how to get FreeBSD6.1 to differentiate between
> the different virtual disk groups on a Dell 2950?
> Thanks
> Mark.
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 	-lava (Brian A. Seklecki - Pittsburgh, PA, USA)

"...from back in the heady days when "helpdesk" meant nothing, "diskquota"
meant everything, and lives could be bought and sold for a couple of pages
of laser printout - and frequently were."

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