Date: Sat, 18 Apr 1998 00:19:50 +0300 (EET DST) From: Vallo Kallaste <vallo@matti.ee> To: freebsd-questions@FreeBSD.ORG Subject: Re: One more ccdconfig question Message-ID: <Pine.GSO.3.96.980418000339.17480C-100000@solaris> In-Reply-To: <35377B78.95B430AE@tdx.co.uk>
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On Fri, 17 Apr 1998, Karl Pielorz wrote: > In truth it is _very_ hard to work out the 'best' interleave factor for > CCD... > I run 2 CCD arrays on my system at the moment, one is set to 32 for the > interleave - and the other is 512... > > I would like to think what ever figure you use (apart from some real > 'oddball' ones like '1' or '2' etc.) is going to give some speed increase... > <g> *** Ok, this is very nice answer, too ;) Very informative, but I know all this, so it can't help. I think this needs very good knowledge about disks and controllers and some programming experience in this area, huh. Unfortunately I don't have any. Btw, what program or method you suggest for benchmarking ? I mean something which simulates _real_ workload and puts hard stress for disk subsystem. All this must be measurable and comparable, certainly. Thanks Vallo Kallaste vallo@matti.ee To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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