Date: Sun, 21 Jan 1996 14:02:58 -0800 From: "Justin T. Gibbs" <gibbs@freefall.freebsd.org> To: Jaye Mathisen <mrcpu@cdsnet.net> Cc: hackers@freebsd.org Subject: Re: some RAID numbers. Message-ID: <199601212202.OAA09307@freefall.freebsd.org> In-Reply-To: Your message of "Sun, 21 Jan 1996 13:43:27 PST." <Pine.BSF.3.91.960121132503.9517O-100000@schizo.cdsnet.net>
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> >Adjile RAID box, 5 Fuji 4GB disks, RAID 5, verify off (on cache), 8MB cache. > >P5120, 64MB RAM, FBSD 2.1 stable (supped 1/21), Adapter 2940UW, tag enabled. How many tags? The default is only two unless you play around with the stuff around QUEUE_FULL_SUPPORTED in i386/scsi/aic7xxx.c <Benchmarks deleted> These numbers seem rather low. What is the performance of the individual fujitsu drives. Running bonnie on a single Quantum Atlas will blow these numbers away. Are you doing RAID 5? Even with RAID 5, I would still expect much better numbers. -- Justin T. Gibbs =========================================== FreeBSD: Turning PCs into workstations ===========================================
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