No improvement with RAID0

S

Shadower

n00b
Joined
Feb 10, 2002
Messages
61
I have a Promise Ultra100 card which I moded to a FastTrak100, and I'm using two WD600AB 60GB 5400rpm drives as a RAID0 array. Both are master on seperate channels. When I benchmark it with hdtach, the average speed only increases by 2mb/s. By themselves the drives do 23mb/s, with the RAID they do 25mb/s. I was hoping for a bigger data transfer rate than that. Is it my drives or the controller or something else?
 
yes and yes. I used HDTACH, maybe that's the problem. When I used Sandra benchmarking program it showed 62mb/s sequential read speed.
 
Did you create an array for the drives? It's not automatic.
 
And are you using good 80-conductor ATA-66 or better cables?
 
Originally posted by Shadower
yes the cables I'm using are for ata/66 and up, the 80 wire 40 pin ones
Click to expand...

Does your controller have it's own IRQ, or is it sharing one with a NIC? If it's sharing with your NIC, try forcing your NIC onto a different IRQ or moving the controller card to another PCI slot (it's a PCI card, no?). If they aren't sharing an IRQ, check to make sure Windows has the proper drivers for the card.
 
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