Date: Sat, 20 Mar 1999 08:55:27 -0800 (PST) From: Tom <tom@sdf.com> To: Nick Hilliard <nick@iol.ie> Cc: freebsd-scsi@FreeBSD.ORG Subject: Re: dpt raid-5 performance Message-ID: <Pine.BSF.4.05.9903200850440.12986-100000@misery.sdf.com> In-Reply-To: <199903191422.OAA27845@beckett.earlsfort.iol.ie>
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On Fri, 19 Mar 1999, Nick Hilliard wrote: > If I set up a raid-5 system on these disks with a slice-size of 512K, the > write performance is terrible. Bonnie reports: 512k will not result in very good single process write performance. In fact, 512k is suboptimal for many operations on RAID-5 arrays. If you are optimizing for a single process, use something smaller (like 8k). Tom To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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