Daddyjaxx Posted October 3, 2006 Posted October 3, 2006 This is much better. My first forray into 4x74GB Raptors had a burst of 222 and a read of 37...that's right 37. I changed the cluster to 16 from 64 and turned off NCQ and read caching and viola: Share this post Link to post Share on other sites More sharing options...
Sorrento Posted October 3, 2006 Posted October 3, 2006 You mean stripe size? Cluster defaults to 4 kb, changing it is quite dificult and has little effect on performance, but has a lot to say about file size efficiency. Share this post Link to post Share on other sites More sharing options...
Daddyjaxx Posted October 3, 2006 Posted October 3, 2006 You're right. Victim of fingers not typing what brain says. I'm using a 16 stripe and 4 cluster. Share this post Link to post Share on other sites More sharing options...
ISSA2000 Posted October 3, 2006 Posted October 3, 2006 damm the 74g raptors faster than the 36g ones..... that little wobble in the line is due to the fact 1 of the drives is a first generation unit (ie no command q etc...) and the other 3 have command q model. (all are 8m cache) (firt gen fraction slower) P.S I FOUNT THAT 8K VAS .05 FASTER THAN 16K STRIPE (but left more wasted space) vs super minor speed increase Share this post Link to post Share on other sites More sharing options...
Daddyjaxx Posted October 3, 2006 Posted October 3, 2006 I have 3 8mb cache and one 16mb. I turned on NCQ and my read went to 11. Share this post Link to post Share on other sites More sharing options...
burntcircuit Posted October 4, 2006 Posted October 4, 2006 2 X 250MB Segate Barracuda (ST3250820AS) 16M Stripe Hey just wonderin how I am doin. Managed to get RAID0 with these drives, however I have been unable to find any way to turn on/off NCQ or read cache. There is no jumper, and drivewizard does not have any of this :confused: Share this post Link to post Share on other sites More sharing options...
cmay119 Posted October 5, 2006 Posted October 5, 2006 Well, I have to download ATTO, but here's what I have so far on HDTach w/ 2x250GB Seagate 7200.10 Drives RAID-0: EDIT: Sorry, my stripe is the suggested stripe size of the RAID Bios, which I believe is 64k. Share this post Link to post Share on other sites More sharing options...
Tropikal Posted October 12, 2006 Posted October 12, 2006 Holly Molly.. now this is an interesting thread .. how did i miss it for so long ??? Wait till i get home then i ll do some benching with different controllers.. which was just what i was waiting to do today.. coincidences.. i have an unknown controller to test for speed with the Raptors, supposedly it s very peculiar and was made just to work with the TCQ commands that the Raptors use (as opposed to the NCQ sata II commands).. we ll see how that goes. A question to avoid wripping my hair off when i get home: is it possible that if the benchmark is made on drives connected to a PCI controller HD Tach or ATTO won't detect the actual speed or might be reading it wrong ? Any known limitations as far as that goes ? Share this post Link to post Share on other sites More sharing options...
Tropikal Posted October 13, 2006 Posted October 13, 2006 So.. i tried benching the Raptors in raid on a pci controller but the values given by the program were way too low.. in the order of 60MB/s (HD Tach) and it just didnt feel right. I tried moving a 3GB file from the pci raid to the hitachi raid on the onboard raid controller and it took about 30~40 seconds. I dont think HD Tack or ATTO were getting the right speed for some reason. The drives felt much faster than they were benching at. Afterwards i moved the drives to the ICH8R intel onboard raid controller on this P5B and here are the numbers: Stripe setting for the Raptor 32K Stripe setting for the Hitachi 128K Raptors 74 GB Raid 0 on the ICH8R intel raid onboard controller - Write Cache Enabled 2400 ?? impossible.. :confused: so i tried it again.. NO clue.. :eek: :eek: :eek: However i took a stab at HD BEFORE to install the Chipset driver.. that gave this result: So after that i i moved onto the other raid i have 2 Hitachi 150GB on the same onboard controller: This time i even got a bigger number for Burst read.. dont ask.. i dont know.. And then i moved on to ATTO: For the Raptors For the Hitachi: And the last look at what happens when u disable or NOT enable write caching on the hitachi: That s all folks! Share this post Link to post Share on other sites More sharing options...
Capt Proton Posted October 17, 2006 Posted October 17, 2006 New to analyzing Hard Drive Performance, but, my HD Tach and ATTO results look quite different. I'm looking for input on a. Is there soemthing wrong, and b. How to fix it. Striping Width - 2 Cluster - 16 Share this post Link to post Share on other sites More sharing options...
smolt Posted October 18, 2006 Posted October 18, 2006 ok after the first 20 pages i didn't see what it is I'm looking for. and that was a link to what ever it is to make my 80 Gig Hitachi Sata 11 work at sata 11 or instead of 1.5 to 3.0 someone help me out here ? what do i got to do Share this post Link to post Share on other sites More sharing options...
Kingfisher Posted October 18, 2006 Posted October 18, 2006 you can use the hitachi feature tool Share this post Link to post Share on other sites More sharing options...
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