Date: Mon, 08 Sep 1997 17:11:44 +1000 From: Mike Smith <mike@smith.net.au> To: Greg Lehey <grog@lemis.com> Cc: Mike Smith <mike@smith.net.au>, hcremean@vt.edu, chat@FreeBSD.ORG Subject: Re: lousy disk perf. under cpu load (was IDE vs SCSI) Message-ID: <199709080711.RAA01934@word.smith.net.au> In-Reply-To: Your message of "Mon, 08 Sep 1997 17:06:37 %2B0930." <19970908170637.25473@lemis.com>
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> > I was talking pre-1980 stuff; you would have to find a real fossil to > > tell you what they were using before that. 8) > > Thanks. The 2311 used hydraulics. Didn't I offer you the manual? > Anyway, it's somewhere in the shed. 70ms average positioning IIRC. > > The typical start to a bad day was to come in and find a pool of oil > under one of your disk drives. What did they drive the hydraulics with, though? A constant pressure compressor and what sort of solenoids? mike
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