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Help with Seagate 7200.10 RAID 0...

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RafaDel

RafaDel

Member
​
Joined
Feb 17, 2003
Guys

I've looking at some numbers after installing a pair of those new Barracudas 7200.10 and confess that is quite disappointing. Comparing with my old Hitachi they are kind of limited around 80MB/sec in a constant matter.

Am I doing some thing wrong? From the picture results are both sets RAID0 in a DFI Lanaparty NF4 Ultra D using NForce controller SATA2. In blue the results of the Barracudas

Any ideas?

raidszj1.jpg
 
Clearly not the drives, but a setting limiting bandwidth right now. Try the above and make sure you have write caching enabled as well in one of the drive/controller tabs in the Device Manager.
 
Im running an NF4 board and my 3x 80Gbs only get 110Mb/s constant.
Could be ur controller.

The matrix raid controllers , ICHR bla bla simthin or other chip, are suposed to run a lot better. I will compare them when i get my Asus P5K.
 
Sam__ said:
Im running an NF4 board and my 3x 80Gbs only get 110Mb/s constant.
Could be ur controller.

The matrix raid controllers , ICHR bla bla simthin or other chip, are suposed to run a lot better. I will compare them when i get my Asus P5K.
Click to expand...
The NF4 controller can support the same bandwidth that any Intel controller can. Actaully performance is different, but a benchmark should be the same comparing the same drives on each controller. I could average 149MB/s with my 2 Raptors on that same board. He just needs to find the setting that limiting the drives. He should be getting around 120MB/s average.
 
David, 93 MB/s is too low for 4 x 7200.10 drives, what strip size ? Have you pulled the jumper at the drives ?
 
Stupid mistake on my part, I forgot to enable write-back cache on the drives. The RAID0 is now averaging 272.8mb/s with a minimum of 243.4mb/s and a maximum of 282.9mb/s. Access time is 7.2ms and the burst rate is 2204.2mb/s.

Does this sound about right? I'm much happier with the performance now being nearly tripple :)
 
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