Date: Sat, 30 Mar 1996 19:44:51 -0800 (PST) From: "Jonathan M. Bresler" <jmb> To: scrappy@ki.net (Marc G. Fournier) Cc: stable@freebsd.org Subject: Re: SCSI Performance under -stable/-current Message-ID: <199603310344.TAA13519@freefall.freebsd.org> In-Reply-To: <Pine.BSF.3.91.960330161449.3268C-100000@ki.net> from "Marc G. Fournier" at Mar 30, 96 04:16:27 pm
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Marc G. Fournier wrote:
> 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
>
all tests using ASUS SC-200 (ncr 53c810)
IOZONE: Performance Test of Sequential File I/O -- V2.01 (10/21/94)
Writing the 34 Megabyte file, 'iozone.tmp'...17.343750 seconds
Reading the file...8.898438 seconds
IOZONE performance measurements:
2055586 bytes/second for writing the file
4006499 bytes/second for reading the file
"FUJITSU M1606S-512 6220" FAST SCSI-2 100ns (10 Mb/sec)
Bonnie:
-------Sequential Output-------- ---Sequential Input-- --Random--
-Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
Aspen MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU
fujitsu 100 510 99.3 1892 14.4 1301 24.7 458 99.8 3873 39.1 58.0 6.1
(1) 100 649 95.1 2389 22.7 1374 29.9 777 95.7 4073 51.2 55.8 6.2
barracuda 100 670 98.5 2691 27.3 1701 37.8 797 98.5 5097 63.1 85.0 10.0
fujitsu: "FUJITSU M1606S-512 6220" FAST SCSI-2 100ns (10 Mb/sec)
1041MB (2131992 512 byte sectors)
with 3457 cyls, 6 heads, and an average 102 sectors/track
(1) outermost tracks of the drive to a newly newfs'ed partition
barracuda: "SEAGATE ST12550N 0014" FAST SCSI-2 100ns (10 Mb/sec)
2040MB (4178874 512 byte sectors)
with 2708 cyls, 19 heads, and an average 81 sectors/track
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