Date: Thu, 29 Aug 1996 09:20:22 -0500 (CDT) From: Joe Greco <jgreco@brasil.moneng.mei.com> To: klam@awod.com (Ken Lam) Cc: taob@io.org, freebsd-hackers@FreeBSD.org, freebsd-scsi@FreeBSD.org Subject: Re: Streamlogic RAIDION drive arrays Message-ID: <199608291420.JAA06736@brasil.moneng.mei.com> In-Reply-To: <1.5.4.32.19960829002801.00913104@awod.com> from "Ken Lam" at Aug 28, 96 08:28:01 pm
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> At 03:39 PM 8/28/96 -0400, you wrote: > > Has anyone tried Streamlogic's RAIDION drive arrays? Apparently > >they can do RAID 1 and 5 in hardware... all your host sees is one very > >large, very fast disk. I'm thinking of tossing one of those with a > >dozen 2GB drives or so in for a news server. I may not need special > >drivers, but I can see some hurdles with disktab-related stuff. > >Maybe I can get an eval unit from them to play with. :) > > Yes. I have installed one for a non-linear video editor. It was > a 12GB array. Worked great. Of course it was used on a Macintosh. > > It wasn't streamlogic, but micropolis then. The only thing I > didn't really like was that I couldn't purchase is with other > brand drives (I prefer Seagate Hawks). > > I didn't get a chance to test it under FreeBSD. Fairly fast, but > other than the RAID 5 aspect, why not use CCD? News spool is hardly > a get killed by users application (unless you have lots of > disgruntled postal workers online ;) ) If it has write back cache, you have a reason to look at it :-) If not, it's not worth much. I've been considering trying something like a Mylex DAC960SI (?), SCSI-to-SCSI RAID controller, simply for the cache you can stick on it. ... JG
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