Date: Wed, 28 Mar 2001 09:52:30 +0930 From: Greg Lehey <grog@lemis.com> To: fs@freebsd.org, hackers@freebsd.org Subject: Re: Vinum stripe size (was: tuning a VERY heavily (30.0) loaded server) Message-ID: <20010328095230.O1161@wantadilla.lemis.com> In-Reply-To: <20010327151517.A91684@dragon.nuxi.com>; from TrimYourCc@NUXI.com on Tue, Mar 27, 2001 at 03:15:17PM -0800 References: <20010320111144.A51924@peorth.iteration.net> <20010327171653.G1161@wantadilla.lemis.com> <20010327151517.A91684@dragon.nuxi.com>
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On Tuesday, 27 March 2001 at 15:15:17 -0800, David O'Brien wrote: > On Tue, Mar 27, 2001 at 05:16:53PM +0930, Greg Lehey wrote: >> No, there's no requirement for it to be a prime number. The only >> problem is that with 32 MB cylinder groups and a power of two stripe >> size and subdisk count, you end up with all the superblocks on one >> subdisk, > > The change I made to newfs to make "-c 22" the default, removes this > power-of-two issue. Correct? It certainly changes it. Greg -- Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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