Date: Fri, 13 Jun 2008 09:08:48 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: FreeBSD Questions <questions@freebsd.org> Cc: freebsd-questions@freebsd.org Subject: Re: Stripe sizes with gstripe Message-ID: <20080613090714.K4713@wojtek.tensor.gdynia.pl> In-Reply-To: <F67BB207-BA27-4772-A90C-5CB3279F0172@hiwaay.net> References: <200806121521.16237.kirk@strauser.com> <F67BB207-BA27-4772-A90C-5CB3279F0172@hiwaay.net>
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>> Does gstripe read an entire stripe at a time? If so, why do that instead >> of >> just reading a few requested blocks? If not, then is there any advantage >> to large stripes? > > Apparently it won't read anything larger than your stripe size which defaults > to a miserable 4k. depending from what's needed, but unless i need just huge linear transfer, i set stripe size to something huge, like 256MB. then single read is rarely split on 2 disks, while multiple reads have good chances to touch different drives
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