Date: Sat, 11 Dec 2004 01:59:39 -0000 From: "Steven Hartland" <killing@multiplay.co.uk> To: <freebsd-performance@freebsd.org>, "Jon Noack" <noackjr@alumni.rice.edu> Cc: Bill Anderson <anderson@wks.uts.ohio-state.edu> Subject: Re: 2120S poor performance Message-ID: <010b01c4df25$14af3ff0$b3db87d4@multiplay.co.uk> References: <Pine.GSO.4.33.0412081120520.4974-100000@lennier.uts.ohio-state.edu><17418.69.53.57.66.1102618255.squirrel@69.53.57.66> <20041211010849.GE50516@dragon.nuxi.com>
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2015S is though which is what I tested and it gives very similar poor results
dmesg |grep asr:
asr0: ADAPTEC 2015S FW Rev. 3B05, 2 channel, 256 CCBs, Protocol I2O
Does anyone have any RAID5 SCSI card installed that does give good
results in a straight dd test?
Steve
>> The asr driver is in need of a lot of attention.
> ..
>> There are many quality, (relatively) cheap controllers out there, but if
>> you're looking to stick with Adaptec get a 2130S. The 2130S uses the aac
>> driver, which is quite well tuned and maintained by Scott Long.
>
> The Adaptec SCSI RAID 2120S is not an I2O(asr) controller -- it is an
> aac(4) controller. The 'out of market' controller mentioned in this
> thread is the work horse 5400S.
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