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Thread: RPM or DMA

  1. 07-14-2001 07:22 AM #1
    MikeHof
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    RPM or DMA

    Which of these would be more important in a server. I can't seem to find a small hard drive with 7200rpm & dma 100. It seems if it's dma 100 then the speed is 5400rpm.
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  2. 07-14-2001 10:43 AM #2
    NDC
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    Well, since multiple clients are going to be utilizing this server, I'd say RPM. RPM has more effect on disk performance Vs. burst rate... If you got the buckeroos, I'd say to go with SCSI. SCSI hard drives have a feature called "Command-tag queuing" meaning that the SCSI hard disk doesn't have to perform operations in the order they were received. SCSI adapter can instruct the hard disk to do tasks in whatever order makes most sense, not in the order they were received...
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  3. 07-14-2001 11:56 AM #3
    Fingers
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    What do you consider a "small hard drive"? I just came from Circuit City, where I saw 7200rpm Western Digital's in 20GB, 30GB, & 40GB.

    Otherwise, ditto what NDC said, if you have to choose between the higher ATA mode and RPM's ... take the RPM's
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  4. 07-14-2001 03:21 PM #4
    MikeHof
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    Small= 6 to 10 gig
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  5. 07-14-2001 03:23 PM #5
    MikeHof
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    I've thought of scsi drives but I really don't know a thing about them. I know you need a scsi card but that is about it. Could you enlighten me on them??
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  6. 07-14-2001 09:02 PM #6
    NDC
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    SCSI FAQ
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