Date: Thu, 7 May 2009 11:41:21 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: Paul Patterson <pathiaki2@yahoo.com> Cc: Gary Gatten <Ggatten@waddell.com>, Olivier Mueller <om-lists-bsd@omx.ch>, Benjamin Krueger <benjamin@seattlefenix.net>, Bill Moran <wmoran@potentialtech.com>, freebsd-performance@freebsd.org, freebsd-questions@freebsd.org Subject: Re: filesystem: 12h to delete 32GB of data Message-ID: <alpine.BSF.2.00.0905071139560.39932@wojtek.tensor.gdynia.pl> In-Reply-To: <83156.91671.qm@web110507.mail.gq1.yahoo.com> 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> <70C0964126D66F458E688618E1CD008A0793EBD1@WADPEXV0.waddell.com> <alpine.BSF.2.00.0905062030300.34023@wojtek.tensor.gdynia.pl> <83156.91671.qm@web110507.mail.gq1.yahoo.com>
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> If you aren't using ZFS, or even a GEOM volume with mirror/RAID5/softup/etc, > you cannot make the statement that hardware RAID is faster. I learned > that 3 years ago. i state exactly opposite. all hardware raid cards are made just to suck money from those who believe in it. like "performance is not enough - buy better/more expensive model." > This does not go for EMC, IBM, Hitachi high-end storage arrays where you write to TBs of RAM Cache. having same amount of extra memory on FreeBSD server directly will make better use of it.
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