Date: Thu, 21 May 2009 09:30:54 +1000 From: Dean Hamstead <dean@fragfest.com.au> To: Jonas Lund <whizzter@gmail.com> Cc: "Gary D. Margiotta" <gary@tbe.net>, Ivan Voras <ivoras@freebsd.org>, freebsd-hardware@freebsd.org Subject: Re: Highpoint RR1520? Message-ID: <4A1492AE.4010708@fragfest.com.au> In-Reply-To: <436c7eda0905201627v916dcb3i35504e3ede64dc71@mail.gmail.com> References: <gv1o1j$eb6$1@ger.gmane.org> <4A14885B.7000206@tbe.net> <4A148D5B.1070808@fragfest.com.au> <436c7eda0905201627v916dcb3i35504e3ede64dc71@mail.gmail.com>
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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 <dean@fragfest.com.au>: >> 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
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