Date: Sat, 30 Mar 1996 16:16:27 -0500 (EST) From: "Marc G. Fournier" <scrappy@ki.net> To: stable@freebsd.org Subject: SCSI Performance under -stable/-current Message-ID: <Pine.BSF.3.91.960330161449.3268C-100000@ki.net>
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Hi... I'm just curious as to what sort of performance I should see out of my machine, as reported by iozone. I decided to shutdown news to perform my tests, so that the machine is pretty much idle (only thing doing disk activity is pretty much httpd). Mainly, I'm trying to see if I have anything configured wrong, or "not-optimally", that could be changed to improve performance on this machine. :) I'm also sending this to -current, in case there are bugs in -stable that are fixed in -current, that might be reflected here :) My results show: ncr:sd0 - 1.95write/3.01read - Conner CFP1060S ncr:sd1 - 1.75write/2.50read - Conner CFA540S aha:sd2 - 1.06write/1.06read - Quantum LPS340S aha:sd3 - 1.12write/0.94read - Quantum LP240S ncr == ASUS SC-200 PCI Controller aha == Adaptec 1542CF ISA Controller Do those values from IOzone look right? Looking at the aha:sd? values, they look low to me, especially considering that when I ran IOzone on it, there would have been zero activity on those drives except for their respective swap partitions: ki# df | egrep "sd2|sd3" /dev/sd2e 98479 69618 20982 77% /usr/obj /dev/sd3f 151935 137869 1911 99% /usr/src /dev/sd2f 186111 52647 118575 31% /news/overview /dev/sd3e 46111 13379 29043 32% /news/spool/comp/os I had news shutdown...and wasn't doing a make world :) Comments/recommendations? Something I want to set differently or change? Thanks... Marc G. Fournier | POP Mail Telnet Acct DNS Hosting System | WWW Services Database Services | Knowledge, Administrator | | Information and scrappy@ki.net | WWW: http://www.ki.net | Communications, Inc
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