Date: Wed, 6 May 2009 20:30:17 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: Benjamin Krueger <benjamin@seattlefenix.net> Cc: freebsd-performance@freebsd.org, Olivier Mueller <om-lists-bsd@omx.ch>, Bill Moran <wmoran@potentialtech.com>, freebsd-questions@freebsd.org Subject: Re: filesystem: 12h to delete 32GB of data Message-ID: <alpine.BSF.2.00.0905062029510.34023@wojtek.tensor.gdynia.pl> In-Reply-To: <4A01C202.8080803@seattlefenix.net> References: <1241610888.16418.64.camel@ompc.insign.local> <20090506084834.61600c42.wmoran@potentialtech.com> <alpine.BSF.2.00.0905061734380.32591@wojtek.tensor.gdynia.pl> <4A01C202.8080803@seattlefenix.net>
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>> config, or gmirror/gstripe config. >> >> usually it's far much slower > > Sorry, but my experience with that very server using a P400 controller with > 256MB write cache is very different. My benchmarks showed that controller > using Raid5 (with only 4 disks) is significantly faster than software > layouts. possibly with RAID5, but for sure slower than single drive > The days when hardware controllers could automatically be considered slow are > long gone. unfortunately not.
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