> Anyway the point of this mail is to try and find some information on the
> speeds you people out there are getting that do have ide raid0 settup, and
> what equipment your using?
[tim@asus tim]# cat /proc/mdstat
Personalities : [2 raid0] [3 raid1]
read_ahead 8 sectors
md0 : active raid0 hde3 hdg3 5221120 blocks 16k chunks
md1 : inactive
md2 : inactive
md3 : inactive
[tim@asus tim]# hdparm -tT /dev/{hde3,hdg3,md0}
/dev/hde3:
Timing buffer-cache reads: 64 MB in 0.50 seconds =128.00 MB/sec
Timing buffered disk reads: 32 MB in 3.52 seconds = 9.09 MB/sec
/dev/hdg3:
Timing buffer-cache reads: 64 MB in 0.51 seconds =125.49 MB/sec
Timing buffered disk reads: 32 MB in 3.52 seconds = 9.09 MB/sec
/dev/md0:
Timing buffer-cache reads: 64 MB in 0.51 seconds =125.49 MB/sec
Timing buffered disk reads: 32 MB in 1.88 seconds =17.02 MB/sec
[tim@asus tim]# fdisk -l /dev/hd{e,g}
Disk /dev/hde: 255 heads, 63 sectors, 790 cylinders
Units = cylinders of 16065 * 512 bytes
Device Boot Start End Blocks Id System
/dev/hde3 63 387 2610562+ 83 Linux native
Disk /dev/hdg: 255 heads, 63 sectors, 790 cylinders
Units = cylinders of 16065 * 512 bytes
Device Boot Start End Blocks Id System
/dev/hdg3 63 387 2610562+ 83 Linux native
ASUS P2B-F, Celeron 300A @ 463MHz, 256MB CL2, 100MHz memory bus, 66MHz
I/O bus, 33MHz PCI.
IBM DHEA-36481, 6.4GB, 5400RPM, 5.56ms latency, 9.5ms seek, 10.2MB/s max
sustained transfer
Bus 0, device 0, function 0:
Host bridge: Intel 440BX - 82443BX Host (rev 3).
Medium devsel. Master Capable. Latency=64.
Prefetchable 32 bit memory at 0xe4000000.
Bus 0, device 4, function 1:
IDE interface: Intel 82371AB PIIX4 IDE (rev 1).
Medium devsel. Fast back-to-back capable. Master Capable.
Latency=32.
I/O at 0xd800.
Bus 0, device 10, function 0:
RAID storage controller: Promise Technology IDE UltraDMA/33 (rev 1).
Medium devsel. IRQ 3. Master Capable. Latency=32.
I/O at 0xb800.
I/O at 0xb404.
I/O at 0xb000.
I/O at 0xa804.
I/O at 0xa400.
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