Date: Thu, 07 Jun 2007 04:50:51 -0600 From: Scott Long <scottl@samsco.org> To: Nico -telmich- Schottelius <nico-freebsd-scsi@schottelius.org> Cc: freebsd-scsi@freebsd.org Subject: Re: Some thoughts 'bout scsi controllers Message-ID: <4667E30B.4040605@samsco.org> In-Reply-To: <20070607104628.GC26318@schottelius.org> References: <20070607085611.GC25624@schottelius.org> <4667DD22.80909@samsco.org> <20070607104628.GC26318@schottelius.org>
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Nico -telmich- Schottelius wrote: > Hello Scott, > > Scott Long [Thu, Jun 07, 2007 at 04:25:38AM -0600]: >> Nico -telmich- Schottelius wrote: >>> - amr: the 'old' megaraid (=lsi) scsi (parallel)/sata driver: Seems to >>> be also one of the recommended chips, though there where/are issues >>> about unmaintained lsi drivers >> Excuse me? I'm the maintainer of this driver, and I've never heard >> from you. > > That's true. My information from > http://lists.freebsd.org/pipermail/freebsd-scsi/2005-January/001630.html > is outdated in that case. Sorry for the confusion. > Ah yes, things have changed significantly in the past 2.5 years =-) >>> We are looking on several servers and variants to replace the broken >>> sc1425 with the >>> 39320 in it. I think one option would be a dell pe2950 (with perc5i/mfi) >>> or to get a mpt or amr supported u320 card. >> The MPT and AMR cards are not equivalent. > > Which of those both would you recommened to use? MPT is a SCSI controller that has some basic raid 0 and 1 capabilities. AMR is a full scale RAID accelerator that is designed with enterprise data protection in mind. In other words, one is a SCSI chip, the other is a RAID card. Scott
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