Date: Wed, 1 Jun 2005 19:57:56 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Scott Long" <scottl@samsco.org> Cc: Dan Nelson <dnelson@allantgroup.com>, freebsd-stable@freebsd.org Subject: Re: good performing SCSI RAID5 ( was: asr ( 2015S ) support in 5.4 amd64? ) Message-ID: <002801c566db$d4f64ef0$b3db87d4@multiplay.co.uk> References: <006201c56633$5bc48c20$b3db87d4@multiplay.co.uk> <20050531233612.GD20906@tigerfish2.my.domain> <429D0C65.6010308@alumni.rice.edu> <003401c56696$0858c4d0$b3db87d4@multiplay.co.uk> <20050601150754.GE20906@tigerfish2.my.domain> <00b901c566bd$d48f2450$b3db87d4@multiplay.co.uk> <20050601162914.GD90259@dan.emsphone.com><007a01c566ce$6e3fd3a0$b3db87d4@multiplay.co.uk> <429DEF74.20901@samsco.org>
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----- Original Message -----
From: "Scott Long" <scottl@samsco.org>
>
> The ASR 370F firmware brought performance from 'abysmal' to 'slightly
> tolerable'. Under ideal conditions, it has been benchmarked to get
> close to 170MB/s, but you need to be very careful about stripe alignment
> and cache settings. Oh, and that was RAID-0, not RAID-5.
Thanks for that I'll check up what we have and upgrade if needed.
Regards
Steve
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