From owner-freebsd-hardware@FreeBSD.ORG Wed May 20 23:30:53 2009 Return-Path: Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B6CA71065674; Wed, 20 May 2009 23:30:53 +0000 (UTC) (envelope-from dean@fragfest.com.au) Received: from togusa.fragfest.com.au (togusa.fragfest.com.au [203.98.91.208]) by mx1.freebsd.org (Postfix) with ESMTP id 4EABD8FC15; Wed, 20 May 2009 23:30:53 +0000 (UTC) (envelope-from dean@fragfest.com.au) Received: from optimus.optusnet.com.au ([203.10.68.27]) by togusa.fragfest.com.au with esmtpa (Exim 4.69) (envelope-from ) id 1M6vFI-0006Db-48; Thu, 21 May 2009 09:30:49 +1000 Message-ID: <4A1492AE.4010708@fragfest.com.au> Date: Thu, 21 May 2009 09:30:54 +1000 From: Dean Hamstead User-Agent: Mozilla-Thunderbird 2.0.0.19 (X11/20090103) MIME-Version: 1.0 To: Jonas Lund References: <4A14885B.7000206@tbe.net> <4A148D5B.1070808@fragfest.com.au> <436c7eda0905201627v916dcb3i35504e3ede64dc71@mail.gmail.com> In-Reply-To: <436c7eda0905201627v916dcb3i35504e3ede64dc71@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on togusa.fragfest.com.au X-Spam-Level: X-Spam-Status: No, score=-4.4 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.2.5 X-SA-Exim-Version: 4.2.1 (built Wed, 25 Jun 2008 17:20:07 +0000) Cc: "Gary D. Margiotta" , Ivan Voras , freebsd-hardware@freebsd.org Subject: Re: Highpoint RR1520? X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 May 2009 23:30:54 -0000 you also have the ability to move the array to a different sata controller. not such a big deal for very high end controllers, but for on mboard raid - you may weap when a dead mboard means that the on-disk data is no longer accessible. Dean Jonas Lund wrote: > Yes, most softraid cards are some kind of accelerator modules. However > the reason to use gmirror mainly seems to be reliability. As these > cards might not be that well used they've simple got less mature > drivers than the standard (S)ATA stack. > > 2009/5/21 Dean Hamstead : >> its worth benchmarking for yourself and seeing if your 64bit powerhouse can >> outperform the raid cpu. >> >> most of the time you will see soft raid doign better >> >> Dean >> >> Gary D. Margiotta wrote: >>> I have used several of these cards under FreeBSD. They are not hardware >>> raid cards, they do not have dedicated processors on them. >>> >>> However, they work just fine, and you can set the raid up in the card's >>> bios, and freebsd will recognize the disk as a single unit. However, I >>> don't bother, I use gmirror, it's all about the same at that point. I >>> don't remember off the top of my head which driver it uses, but I didn't >>> need to add anything. >>> >>> -Gary >>> >>> Ivan Voras wrote: >>>> hi, >>>> >>>> Is the product described at: >>>> >>>> http://www.highpoint-tech.com/USA/rr1520.htm >>>> >>>> a "real" (not soft-) RAID? Is it supported by hptrr? (judging by the man >>>> page and a quick glance at the code, it doesn't look like it is) >>>> >>>> >>>> >>> _______________________________________________ >>> freebsd-hardware@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-hardware >>> To unsubscribe, send any mail to >>> "freebsd-hardware-unsubscribe@freebsd.org" >>> >> -- >> http://fragfest.com.au >> _______________________________________________ >> freebsd-hardware@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-hardware >> To unsubscribe, send any mail to "freebsd-hardware-unsubscribe@freebsd.org" >> > _______________________________________________ > freebsd-hardware@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hardware > To unsubscribe, send any mail to "freebsd-hardware-unsubscribe@freebsd.org" > -- http://fragfest.com.au