Date: Fri, 20 May 2005 05:13:32 +0200 From: Alexis Yushin <alexis@ww.net> To: freebsd-performance@freebsd.org Subject: Bad 3ware 9000 performance 5.4? Message-ID: <20050520031332.GA98548@virgin.ww.net>
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Hi, I've been browsing through the mailing list archive, but could not find the answer/conclusion/solution to this... Running FreeBSD 5.4... three machines with twe/3ware 8000 and three twa/ 3ware 9500-8 controllers. All of them running RAID 1+0 without write cache since we dont have battery backup unit. All of them Seagate 7200 SATA. I get about 46Mb/s write on the 8000 series and only 5(!)MB/s on the 9500 series. How is this possible? Machines are in production so I can do very little testing... Any ideas? Alexis
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