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Thread: how to make good raid 0 with 4 disk ?




  1. #11
    Join Date
    May 2009
    Posts
    10

    Default Re: how to make good raid 0 with 4 disk ?

    i have 3 disk wd3200aaks and 1 disk wd2500ks
    http://wdc.custhelp.com/cgi-bin/wdc....ted=1112716146

    http://wdc.custhelp.com/cgi-bin/wdc....i=&p_topview=1


    i work with controllers AMD SB750

    why i get with 4 disk less speed from 2 disk ?
    why i get with 4 disk only 8.5 ms ? and with 2 disk 9.5 ms ?

  2. #12

    Default Re: how to make good raid 0 with 4 disk ?

    OK. First of all, go to this site. It should bring up a page that has an illustration of the jumper settings. Check and make sure that yours are set properly. In actual fact, you should not have any jumpers on the pins at all.
    Second point. You realize that your total storage capacity in RAID 0 with those drives will be 1 terrabyte don't you? Maximum capacity is linked to the smallest hard drive, so 4 X 250GBs.
    What benchmark are you using to test the speed? You refer to 8.5ms and 9.5ms. In HD Tach, the only result that uses ms as a unit of measurement is the Random Access time. For that, lower is better, so if what you are reporting is Random Access time, then your 4 drives are working faster than 2 drives.
    i7 3770K, 47X100= 4.7GHz at 1.33V, ASROCK Z77 Extreme4, 2 X 4GB Patriot Viper Black Maba DDR3 1600, GTX 590, 2 X Corsair Force 3 120GB SSDs in RAID 0, Barracuda SATA 7200.10 500GB, Barracuda SATA 7200.11 1000GB Back Ups, OCZ ZX 1250W, Z-5500s, LG Blu Ray Player/DVD Burner, Koolance CTR-CD12 Fan/Pump Controller, Windows 7 X64 Professional, HAF X. Vision Quest 24" WS LCD, Optoma H66 Projector
    Cooling: Thermochill PA120.2 GT AP15 in push, DDC 3.25/XSPC Res top, Apogee Xt Extreme, XSPC Razor, Coolgate CG-240 Swiftech Helix in push/pull, MCP35X.

  3. #13
    Join Date
    May 2009
    Posts
    10

    Default Re: how to make good raid 0 with 4 disk ?

    wow

    1. i write
    i don't have jumper at all .
    why you return to the jumper ?


    2. i work only with stripe 100 gb ( not total storage capacity in RAID 0 with those drives will be 1 terrabyte

    http://img37.imageshack.us/img37/414...rkamd20str.png

    3. do you know what is stripe ?

    4 disk and every disk work only with 25 gb !

  4. #14

    Default Re: how to make good raid 0 with 4 disk ?

    I am afraid I shall have to give up. Your english is much better than I could do in yours, whatever that is, but, I do not seem to be able to get my thoughts through to you.
    I shall try once more.
    On your hard drives, if there are no jumpers on the pins, then your drive is configured properly. If there are jumpers on the pins, then it is not. I got this information from the Western Digital site.
    You are not working with a 1GB stripe.
    Yes, I know what a stripe is. I am not sure you do.
    Your screenshot tells me the following.
    1. You are working on a 100GB partition on your drive. Not a 100GB Stripe.
    2. Your drives may be working a little slow, but there is nothing wrong. They are working in SATA 300GBs in RAID 0
    I have no idea what you mean by Disk and every disk work at 25GBs.

    I shall add one last thing. You are lucky I responded at all, as the way you have written appears to be quite hostile, but, I have increased my post number, so thanks for that.
    Last edited by Capt Proton; 05-29-2009 at 06:06 AM.
    i7 3770K, 47X100= 4.7GHz at 1.33V, ASROCK Z77 Extreme4, 2 X 4GB Patriot Viper Black Maba DDR3 1600, GTX 590, 2 X Corsair Force 3 120GB SSDs in RAID 0, Barracuda SATA 7200.10 500GB, Barracuda SATA 7200.11 1000GB Back Ups, OCZ ZX 1250W, Z-5500s, LG Blu Ray Player/DVD Burner, Koolance CTR-CD12 Fan/Pump Controller, Windows 7 X64 Professional, HAF X. Vision Quest 24" WS LCD, Optoma H66 Projector
    Cooling: Thermochill PA120.2 GT AP15 in push, DDC 3.25/XSPC Res top, Apogee Xt Extreme, XSPC Razor, Coolgate CG-240 Swiftech Helix in push/pull, MCP35X.

  5. #15
    Join Date
    May 2009
    Posts
    10

    Default Re: how to make good raid 0 with 4 disk ?

    --------------------------------------------------------------------------------
    I am afraid I shall have to give up
    please go home
    again please

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