Jakob Osterngaard wrote:
[snip]
Was 19MB/s from a RAID ?
If so, how many disks ? What RAID configuration ? How did you measure it
?
I'm running RAID level 5 on four WD Caviar 20.4GB U66 drives.
19MB/s is what I get when I do a "hdparm -t /dev/md0". I also tried cp'ing
a 1GB file to
With 2.2.10 + a recent uniform ide patch, I don't have to do anything
with hdparm to get udma-66 working with a Promise Ultra66 card.
The kernel reports something like this at boot time:
Uniform Multi-Platform E-IDE driver Revision: 6.19
PIIX4: IDE controller on PCI bus 00 dev 39
Hey guys,
I have been trying for the past several months to get the full throughput
that I'm supposed to be getting from my UDMA-66 hard drives, but - try as I
might - I can only get sustained reads of 19MB/s max. I am using a promise
Ultra66 controller with four 20.4GB U-ATA-66 WD Caviar
