Date: Wed, 6 May 2009 13:08:46 -0500 From: "Gary Gatten" <Ggatten@waddell.com> To: "Benjamin Krueger" <benjamin@seattlefenix.net>, "Wojciech Puchar" <wojtek@wojtek.tensor.gdynia.pl> 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: <70C0964126D66F458E688618E1CD008A0793EBD1@WADPEXV0.waddell.com> 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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It could just be me, but I swear Hardware RAID has been faster for many many years, especially with RAID5 arrays - or anything that requires parity calcs. Most of my benchmarking was done on SCO OpenServer and Novell UnixWare and Netware, but hardware RAID controllers were always faster and of course required far less host CPU resources. Raid 0/1/10/0+1/whatever arrays, I recall weren't as drastic, but I can't imagine the controller making as big a difference as the drives in the array - unless of course the drive for said controller sux! <snip> <font size=3D"1"> <div style=3D'border:none;border-bottom:double windowtext 2.25pt;padding:0i= n 0in 1.0pt 0in'> </div> "This email is intended to be reviewed by only the intended recipient and may contain information that is privileged and/or confidential. If you are not the intended recipient, you are hereby notified that any review, use, dissemination, disclosure or copying of this email and its attachments, if any, is strictly prohibited. If you have received this email in error, please immediately notify the sender by return email and delete this email from your system." </font>
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