Iozone

The standard command I use is as follows:

iozone -s 1024m -r 32k -i 0 -i 1 -i 2 -+n -t 1

Western Digital

WDC WD1600JD-75H

        Children see throughput for  1 initial writers  =   49564.20 KB/sec
        Children see throughput for  1 readers          =   59590.32 KB/sec
        Children see throughput for 1 random readers    =    8309.17 KB/sec
        Children see throughput for 1 random writers    =   22801.88 KB/sec

WDC WD1200JB-75CRA0

        Children see throughput for  1 initial writers  =   46014.13 KB/sec
        Children see throughput for  1 readers          =   40067.62 KB/sec
        Children see throughput for 1 random readers    =   11244.67 KB/sec
        Children see throughput for 1 random writers    =   16124.12 KB/sec

WDC WD3200JS-60P

        Children see throughput for  1 initial writers  =   70735.41 KB/sec
        Children see throughput for  1 readers          =   61879.04 KB/sec
        Children see throughput for 1 random readers    =   12072.48 KB/sec
        Children see throughput for 1 random writers    =   22518.14 KB/sec

(3 Drives in LVM)

        Children see throughput for  1 initial writers  =   64858.33 KB/sec
        Children see throughput for  1 readers          =   64913.92 KB/sec
        Children see throughput for 1 random readers    =   33801.48 KB/sec
        Children see throughput for 1 random writers    =   71252.03 KB/sec

Maxtor

Maxtor 54098U8

        Children see throughput for  1 initial writers  =   25403.75 KB/sec
        Children see throughput for  1 readers          =    5227.56 KB/sec
        Children see throughput for 1 random readers    =    6036.05 KB/sec
        Children see throughput for 1 random writers    =    9144.35 KB/sec

Seagate

ST373405LW

        Children see throughput for  1 initial writers  =   48671.05 KB/sec
        Children see throughput for  1 readers          =   54253.02 KB/sec
        Children see throughput for 1 random readers    =   16231.61 KB/sec
        Children see throughput for 1 random writers    =   42183.82 KB/sec

ST173404LW

        Children see throughput for  1 initial writers  =   30251.11 KB/sec
        Children see throughput for  1 readers          =   28398.42 KB/sec
        Children see throughput for 1 random readers    =   14386.34 KB/sec
        Children see throughput for 1 random writers    =   17114.76 KB/sec

ST336607LC

These numbers are kind of screwed up. I find it hard to believe that a Seagate Cheetah 10k disk only gets this kind of performance. I am probably going to retire the machine that this disk is in, and find something a bit better.

        Children see throughput for  1 initial writers  =    4268.85 KB/sec
        Children see throughput for  1 readers          =    3454.83 KB/sec
        Children see throughput for 1 random readers    =    2762.78 KB/sec
        Children see throughput for 1 random writers    =    3499.16 KB/sec