Date: Fri, 24 Feb 2006 19:06:01 -0500 From: Mike Tancsa <mike@sentex.net> To: Ashley Moran <work@ashleymoran.me.uk> Cc: freebsd-questions@freebsd.org Subject: Re: Areca ARC-1120 vs Adeptec 2820 for RAID 6 Message-ID: <te7vv19ic90u331og88gjb6cabk9g6r43u@4ax.com> In-Reply-To: <200602241216.00547.work@ashleymoran.me.uk> References: <200602241216.00547.work@ashleymoran.me.uk>
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On Fri, 24 Feb 2006 12:16:00 +0000, in sentex.lists.freebsd.questions you wrote: > >One server supplier says customer's he's supplie with ARC boards were = unhappy=20 >with them, but didn't give any specific reasons. Does anyone have any=20 >experience with either of these on FBSD? > >There's a long comparison of the three cards at=20 >http://www.tomshardware.com/2006/01/02/safer_6_for_raid_controllers/ . = The=20 >Areca board canes the others performance-wise but I want to know if it = will=20 >be stable for the next however many years. I have been using them in a few boxes and they certainly are quite fast under RELENG_6. I have some running RAID5 and RAID10 have they really good disk IO. Prior to running ARECA cards I used exclusively 3wares. However, their performance was just not there until their SX cards came out. They are much closer in performance to the ARECA and I think they are stable now as well, but they dont have PCI-e versions of the card which I am looking for more and more. I was told that is coming soon now. On FreeBSD, the drives show up as a SCSI device da0 at arcmsr0 bus 0 target 0 lun 0 da0: <Areca ARC-1210-VOL#00 R001> Fixed Direct Access SCSI-3 device=20 da0: 166.666MB/s transfers (83.333MHz, offset 32, 16bit), Tagged Queueing Enabled da0: 228881MB (468749312 512 byte sectors: 255H 63S/T 29178C) In short, I would recommend the card if you need speed under FreeBSD. ---Mike -------------------------------------------------------- Mike Tancsa, Sentex communications http://www.sentex.net Providing Internet Access since 1994 mike@sentex.net, (http://www.tancsa.com)
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