Goran Dodig goran at dodig.org
Tue May 8 10:37:51 UTC 2007


I have the same server and was facing that same issue. I conntacted
Søren Schmidt (the guy that has writen and maintains RAID stuff on
FreeBSD) and this is what he had to say on the topic:

> Dear sir,
Hi there!
> I have a HP DL320 G5 server with FreeBSD amd64.
> # uname -a
> FreeBSD 6.2-RELEASE #0: Fri Jan 12 08:43:30 UTC 2007 
> root at portnoy.cse.buffalo.edu:/usr/obj/usr/src/sys/SMP  amd64
> The problem is that the ata driver does not see the RAID1 array (it's
> enabled and built), but shows two separate ad4 and ad6 disks.
> My dmesg -a is attached to this email.
> From searching through net I realised that the problem is in the HP's
> changed metadata format.
> The problem is similar to this:
> http://groups.google.com/group/lucky.freebsd.questions/browse_thread/thread/36de5d9e75e3f4ad/dc44fa53d8580eb9%23dc44fa53d8580eb9
> Is the support for HP's Smart Arrays fixed and can you help me in any
> way?
> Is there maybe an estimate on when it might be fixed?
I'll need HW here in the lab that uses the format in question, otherwise
its way too tedious to figure out, and impossible to maintain (as you
have found out). So until someone makes that happen I wont be able to do
much about it, sorry but I have to prioritize my sparse spare time
> I know I could always use software RAID but would really appreciate
> any info on this.
Well, its software RAID no matter what, just a question about the BIOS
knowing about it or not :)


Having no means to provide the same server to him I ended up using
FreeBSD's software RAID. :)
Hope that helps.

Goran Dodig

Rainer Duffner wrote:
> Hi,
> I have a HP DL320 (G5, IIRC - Woodcrest Xeon) with two 80 GB SATA
> disks that seem to hang on the built-in Intel SATA "F-RAID"
> (Fake-RAID) Controller (ICH7, MatrixRAID).
> My question is: how can I install on that RAID?
> I enabled the Controller in the F9-BIOS, I created a RAID in the F8
> RAID-BIOS and it shows up during boot.
> But when I want to install FreeBSD, it only detects ad4 and ad6 - and
> upon reboot, the controller doesn't see the RAID anymore, either - it
> reports the two disks as JBOD.
> I tried 6.2 and both the latest snapshots from
> ftp.freebsd.org/snapshots/ for 6-STABLE and CURRENT (for i386).
> The idea I got from reading the various posting etc. was that the OS
> should see an "ar0" device and I should be able to see that - but I
> don't.
> Can anyone offer some insight?
> Best Regards,
> Rainer

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