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Thread: Raid-0 on 4 drives = ??




  1. #1
    Join Date
    May 2002
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    :confused:

    Just wondering if it is possible to do RAID-0 on 4 drives instead of 2?

    I was looking at the Promise ATA-RAID controller and it says it cann support 4 drives, although it only has two IDE plugs so I assume you have to do master/slave

    So would 4 drives be a lot faster than 2 drives, or would it even work?

    I was thinking about buying four of the same exact drive like 20GB 7200 RPM drives or something.
    -= Overclocking Newbie =-
    Athlon XP 1800+ @ 1690mhz
    FSB oc'd to 147/37
    Asus A7V333 mobo
    512MB of OCZ PC-3200 DDR RAM
    Dragon Orb 3 HSF @ 47 C @ max load
    Western Digital 80 GB IDE HD

  2. #2
    Join Date
    Nov 2001
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    I don't believe that a 4-device RAID adapter will be able to handle a 4-drive RAID 0 configuration. You'll need a special RAID card for this, and those are going to start running into large amounts of cash. The main reason for support of 4 devices is so that it can run a 4-drive RAID 0+1 configuration. This allows a two drive RAID 0 array that is also mirrored.

    Of course, if money is no object, then you can start looking at RAID 5 too. :)
    Old age and treachery will overcome youth and skill
    My Toys

  3. #3
    Join Date
    May 2002
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    Of COURSE money is an object!!! Heheh.

    So now I'm thinking about saving up my $$ and maybe getting a SCSI RAID card and two identical 10K or 15K rpm SCSI drives.

    I have been reading up and most SCSI drives have 4MB or 8MB cache, and <5 ms access time is common.

    Can you imagine if I had two of those babies hooked up in RAID-0 ?? Dude that would be cra-a-aaaaazy!:geek:
    -= Overclocking Newbie =-
    Athlon XP 1800+ @ 1690mhz
    FSB oc'd to 147/37
    Asus A7V333 mobo
    512MB of OCZ PC-3200 DDR RAM
    Dragon Orb 3 HSF @ 47 C @ max load
    Western Digital 80 GB IDE HD

  4. #4
    Beefy Guest

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    First you say money is an object, then you suggest a SCSI RAID system? That's kinda oxymoronic.. :)

  5. #5
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    May 2002
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    I am neither an "ox" nor a "moron" ;)

    Actually, looking around Ubid.com and Ebay.com, it seems like I could get a SCSI RAID controller for maybe $125, and a couple of 18GB 10K RPM SCSI drives for maybe $300.

    If I wanted to go the IDE RAID route, I would be looking at $100 for a Promise IDE RAID card and $250 for a new 80GB Western Digital to match the one I have.

    So IDE RAID would maybe be $75 or $100 cheaper and I would have more storage. With SCSI RAID i would have less storage capacity for the money but faster performance.

    Right?
    -= Overclocking Newbie =-
    Athlon XP 1800+ @ 1690mhz
    FSB oc'd to 147/37
    Asus A7V333 mobo
    512MB of OCZ PC-3200 DDR RAM
    Dragon Orb 3 HSF @ 47 C @ max load
    Western Digital 80 GB IDE HD

  6. #6
    Beefy Guest

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    That's basically it. :)

  7. #7
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    May 2002
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    I am thinking that SCSI might be the way for me to go becuz i don't really want to have 4 drives in my system heating it up and making a racket besides... with two SCSI drives I can put an 120mm fan in the front of the box at the bottom and blow air across both drives... with 4 drives it would be a solid "wall" of hot hard drives :(

    Now, any SCSI users out there want to tell me how their performance compares to IDE for business and gaming applications?
    -= Overclocking Newbie =-
    Athlon XP 1800+ @ 1690mhz
    FSB oc'd to 147/37
    Asus A7V333 mobo
    512MB of OCZ PC-3200 DDR RAM
    Dragon Orb 3 HSF @ 47 C @ max load
    Western Digital 80 GB IDE HD

  8. #8
    Beefy Guest

    Default

    just out of curiousity what exactly are you looking at a RAID system for? Do you just want the fastest system you can get, or what?

    From what I've seen of RAID 0 setups on IDE drives, it's still very fast. Personally, I'd go for the 160GB setup you suggested with the two WD drives, as opposed to the 36GB setup with the SCSI drives, but that's just me.

  9. #9
    Join Date
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    I too would go the IDE route. Though there is a slightly faster performance rating with the SCSI setup, it really isn't that significant anymore. I already got rid of the MaximumPC magazine that had a head-to-head between the two, but the results were a lot closer than you would think. What it boils down to is that IDE keeps getting faster with age, and larger as well. SCSI on the other hand is almost stagnating. You'll only get real noticeable differences if you're using programs that intensively attack the capabilities of the array, and not too many do that.

    So save a few dollars, get a huge gain on storage potential, and Kick-Ass performance to boot. How can you go wrong? Especially since you already stated that money was indeed a concern.
    Old age and treachery will overcome youth and skill
    My Toys

  10. #10
    Join Date
    Nov 2001
    Posts
    1,599

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    0 for a new 80GB Western Digital to match the one I have
    My god, where do you buy your drives? there are WD 80 gig 7200 rpm drives on mwave.com for 118$ !

    Oh maybe you are using a different currency...

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