Date: Thu, 26 Aug 2004 15:10:42 -0400 From: Chuck Swiger <cswiger@mac.com> To: "Mitch (bitblock)" <mitch@bitblock.com> Cc: freebsd-isp@freebsd.org Subject: Re: Performance RAID setup... Message-ID: <412E35B2.7080003@mac.com> In-Reply-To: <GMEEINAOJAINFLGLEJNFCEODCJAA.mitch@bitblock.com> References: <GMEEINAOJAINFLGLEJNFCEODCJAA.mitch@bitblock.com>
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Mitch (bitblock) wrote: [ ... ] > One floating consideration is the hard drive configuration and the relative > performance. > > I could go with 6 73GB 15000 RPM drives in two RAID 5 sets, or I could go > with 6 146GB 10000RPM drives in RAID mirrors. > > The goal is to provide a NFS / SAMBA server for 4 - 20 application servers. > > Anyone have any value for dollar comments? Unless your volumes are read-only, or close to it, RAID-10 (or "-1,0") will give you significantly better write performance than RAID-5. You might also give small SAN devices a thought; in particular, the Xserve RAID box has a very good price/performance point. I don't have experience with the SRCU42L SCSI controller, so you might want to do a search about it and FreeBSD, and/or ask your vendor. -- -Chuck
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