Date: Wed, 21 Jun 2006 02:25:04 -0700 From: "Ted Mittelstaedt" <tedm@toybox.placo.com> To: "Philippe Lang" <philippe.lang@attiksystem.ch>, "Doug Poland" <doug@polands.org> Cc: freebsd-questions <freebsd-questions@freebsd.org> Subject: RE: ICH5R, ICH7R or Promise PDC20378 RAID? Message-ID: <LOBBIFDAGNMAMLGJJCKNCECDFEAA.tedm@toybox.placo.com> In-Reply-To: <6C0CF58A187DA5479245E0830AF84F4218CCFC@poweredge.attiksystem.ch>
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>-----Original Message----- >From: owner-freebsd-questions@freebsd.org >[mailto:owner-freebsd-questions@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@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. > >Hi, > >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 it, 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 simulating a recovery when you insert that disk back in. Ted
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