Date: Sat, 24 Jul 1999 09:59:30 +0930 From: Greg Lehey <grog@lemis.com> To: Yusuf Goolamabbas <yusufg@outblaze.com> Cc: freebsd-scsi@FreeBSD.ORG, freebsd-stable@FreeBSD.ORG Subject: Re: Postmark results with DPT RAID-5 Message-ID: <19990724095930.H84734@freebie.lemis.com> In-Reply-To: <19990723060603.30708.qmail@yusufg.portal2.com>; from Yusuf Goolamabbas on Fri, Jul 23, 1999 at 06:06:03AM -0000 References: <19990723060603.30708.qmail@yusufg.portal2.com>
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On Friday, 23 July 1999 at 6:06:03 -0000, Yusuf Goolamabbas wrote: > Hi, I am trying to stress test a DPT RAID controller DPT SmartRaid > Ultra PM3334UW (Is there any standard mechanism or a methodology > available for this). Any way, I am using the benchmark tool "Postmark" > written by Network Appliance which is available via the URL > http://www.netapp.com/technology/level3/3022.html. I've had a look at this benchmark. I don't understand why they want to do things this way. Many factors influence overall system throughput; if you want to measure only one part of it, measuring "real-life" performance is confusing. If you want to measure just the storage device throughput, look at rawio (ftp://ftp.lemis.com/pub/rawio.tar.gz). If you do use it, I'd be very interested in your results. Greg -- See complete headers for address, home page and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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