Date: Tue, 10 Aug 1999 13:19:02 -0400 From: Mike Tancsa <mike@sentex.net> To: Tom <tom@sdf.com> Cc: scsi@freebsd.org Subject: Re: External RAID boxes (was Re: AHC errors. Bad disk or bad firmware, or bug in driver ?) Message-ID: <4.1.19990810125322.042afb60@granite.sentex.ca> In-Reply-To: <Pine.BSF.4.05.9908092044260.20054-100000@misery.sdf.com> References: <3.0.5.32.19990809141220.01086510@staff.sentex.ca>
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> Legacy make some pretty amusing stuff. They sell direct and via various >wholesellers (ie Globelle). I can get Legacy stuff cheaper from Globelle >than I can direct from Legacy. > > Legacy is basically just an integrator. They slap a RAID controller, >and some drives together in a box, and then put their name on it. In >fact, I think Legacy uses CMD RAID units in their boxes. Someone else pointed out that from the docs on Legacy's web site, they seem to be OEM'ing Mylex "Management Port Cause: The SmartARRAY cannot establish communication with the DAC960 hardware" > There is nothing that Legacy is doing that you can't do yourself. >Overnight replacement is no concern for me, as overnight is still too >long! And if you've lost data because of the failure... There should be >a enough resilency so that failures aren't a problem. All high-end drives >have 5yr warranties, BTW. > > If I was going to setup a high-avail box, I'd use two CMD raid units. >They have some kind of fail over mode where one can take over if one >fails (I don't belive Legacy gives you this as an option, but you can if >you build it yourself). Disks would combined with RAID-5, and an online >spare (or two). Unfortunately my budget is limited. I dont want to go with the cheapest solution out there, nor can I afford the most expensive. For me, an external RAID box will be a step up rather than relying on tape backups and retiring old drives before they might have a chance to fail. As for the CMD units, have you had any direct experience with them ? Thanks, ---Mike ********************************************************************** Mike Tancsa, Network Admin * mike@sentex.net Sentex Communications Corp, * http://www.sentex.net/mike Cambridge, Ontario * 01.519.651.3400 Canada * To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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