Date: Sun, 21 Mar 1999 12:54:23 -0800 (PST) From: Tom <tom@sdf.com> To: Greg Lehey <grog@lemis.com> Cc: Nick Hilliard <nick@iol.ie>, freebsd-scsi@FreeBSD.ORG Subject: Re: dpt raid-5 performance Message-ID: <Pine.BSF.4.05.9903211252070.24283-100000@misery.sdf.com> In-Reply-To: <19990321084436.Z429@lemis.com>
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On Sun, 21 Mar 1999, Greg Lehey wrote: > > FreeBSD will likely never send IOs big enough for the strip size of > > 512kb to ever be useful. > > It does. The largest I/O transfer is 64 kB. You don't want to > fragment requests, because that increases the I/O load on the array. At the cost of single-process performance. Tom To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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