Date: Wed, 26 Jan 2011 15:19:52 +0100 From: Borja Marcos <borjam@sarenet.es> To: Josh Paetzel <josh@tcbug.org> Cc: freebsd-scsi@freebsd.org, Peter Lai <cowbert@gmail.com> Subject: Re: ZFS and "internal" mfi RAID cards, the eternal question Message-ID: <482769AA-B8E1-4C11-B737-7F918650FAEF@sarenet.es> In-Reply-To: <201101260812.17434.josh@tcbug.org> References: <522B2387-1BE2-4AF7-B250-B1272D301C59@sarenet.es> <18831097-9113-4059-BAEB-71185849BD90@sarenet.es> <AANLkTimv4gBToLf3e4tX%2BfEZoDxueH9cqA3vXQtzks35@mail.gmail.com> <201101260812.17434.josh@tcbug.org>
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On Jan 26, 2011, at 3:12 PM, Josh Paetzel wrote: > On Friday, January 14, 2011 08:03:01 am Peter Lai wrote: >> On Fri, Jan 14, 2011 at 6:44 AM, Borja Marcos <borjam@sarenet.es> = wrote: >>> On Jan 14, 2011, at 12:50 PM, Peter Lai wrote: >>>> Is there a reason you are ordering your Dells with H700 instead of >>>> H200; do you really want the battery backed cache anyway? >>>> = http://www.dell.com/content/topics/topic.aspx/global/products/pvaul/topi >>>> cs/en/us/raid_controller?c=3Dus&l=3Den&cs=3D555 suggests the H200 = has jbod >>>> mode... >>>=20 >>> Indeed, it doesn't work under FreeBSD. Or am I wrong? >>=20 >> Good point. My guess here is that as an LSI card, it's not really >> supposed be picked up by mfi, but mpt. But most of my experience with >> dell has been to not even bother with the addon raid and just stick >> with the mpt controllers. Of course, they only support up to 8 = disks, >> so if you need more than that...well :( >=20 > The H200 is a 6 gbps LSI SAS HBA under the hood that is not supported = by mpt. =20 > There is a new driver in HEAD called mps that supports the card. = People have=20 > had varying amounts of success running the driver ported to 8.x. I = can=20 > provide you with a .ko that works on 8.x, but it comes with a YMMV = warranty. >=20 > FWIW, this driver won't be appearing in 8.2 due to various concerns = the people=20 > working on it had with it. Thanks :) I've been using it (moving it from 9-CURRENT to 8-STABLE is very easy) = and except for a couple of problems (see my posting in this same list) = it's working great. I really look forward to see a production ready version. I'm really = annoyed by the =FCber crappy "mfi=A8 cards. Borja.
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