ICH5R, ICH7R or Promise PDC20378 RAID?

Ted Mittelstaedt tedm at toybox.placo.com
Wed Jun 21 09:25:14 UTC 2006

>-----Original Message-----
>From: owner-freebsd-questions at freebsd.org
>[mailto:owner-freebsd-questions at freebsd.org]On Behalf Of Philippe Lang
>Sent: Tuesday, June 20, 2006 9:39 AM
>To: Doug Poland
>Cc: freebsd-questions
>Subject: RE: ICH5R, ICH7R or Promise PDC20378 RAID?
>owner-freebsd-questions at freebsd.org wrote:
>> On Mon, Jun 19, 2006 at 10:18:05AM +0200, Philippe Lang wrote:
>>> Hi,
>>> I've got two boxes that would be perfect for a small server. The
>>> motherboards are:
>>> - ASUS P4C800-E Deluxe, with ICH5R and Promise PDC20378
>>> - ASUS P5WD2, with ICH7R
>>> I intend to install FreeBSD 6.1, and I wonder which chipset you would
>>> recommend me for RAID 1? I need something rock-solid, of course...
>> I'm running -STABLE on a P4C800-E.  I've never had a problem
>> with the PDC20378.  Recently, I added two drives on the ICH5R
>> with no issues.  A little benchmarking shows the ICH5R to be a little
>> faster.
>I wasn't as lucky as Doug with my ASUS P4C800-E Deluxe board, both with
>the ICH5R and Promise RAID controller.
>1) With the Promise controller, after simulating a disk problem
>(shutdown - disk disconnection - reboot - shutdown - disk reconnection -
>reboot), I wasn't able to rebuild the array at all, either with
>"atacontrol rebuild ar0" or from the bios. I suspect a spare disk is
>necessary for a complete rebuild.
>2) With the ICH5R controller, installation went fine too. If I
>disconnect a disk, the system still boots, but when I plug the disk back
>(computer shut down), no boot is possible anymore. At boot, a kernel
>panic says: "softdep_setup_inomapdep". No array rebuild is possible from
>the bios, so I'm stuck.

You need to take the disk you unplugged to some other machine and wipe
then make sure the one disk with the system left on it is in the 0
position, put
the wiped disk in the 1 position, then you should be able to boot.

Your simulating a failure when you pull the one disk, but your not
a recovery when you insert that disk back in.


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