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whats the difference. as far as i can tell they both use two HDs as one to make your comp run faster. RAIDs just a hell of a lot cheaper. ...
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  1. #1
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    SATA vs RAID


    whats the difference. as far as i can tell they both use two HDs as one to make your comp run faster. RAIDs just a hell of a lot cheaper. am i missing something here?

  2. #2
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    SATA is Serial Advanced Technology Attachment. Doesn't need two drives. It's the way information is sent to the hard drive.

    RAID is redundant array of independent disks. NOW you have more than one drive.
    Registered Linux user #384279
    Vector Linux SOHO 7

  3. #3
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    hmmm. one of my friends who was building his own comp said he was using SATA. he also said that it was useless untill he got a second HD. i dont know why.

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  5. #4
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    Quote Originally Posted by *DEAD*
    hmmm. one of my friends who was building his own comp said he was using SATA. he also said that it was useless untill he got a second HD. i dont know why.
    He was most likely talking about a RAID setup. As retired1af already stated SATA is a way of transfer of data to the hard drive. It's pretty much a newer and supposedly faster connection interface, much like IDE connectors on other hard drives.

  6. #5
    Linux Enthusiast puntmuts's Avatar
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    Real hardware RAID used in a professional environment is most of the times a lot more expensive then SATA. SCSI RAID controllers with loads of cache memory will cost a lot more then a modern/fast home/desktop computer.

    There are some cheap IDE RAID controllers however but they are partially supported and use the CPU for their perfomance and the driver for RAID capabilities (unsupported in kernel 2.6).

  7. #6
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    raid1 is 2 mirriored hd's, raid0 is 2 striped hd's. sata is way that hd's transfer info, just like ide (but faster)

  8. #7
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    what about the software RAID. how effective is that

  9. #8
    Linux User benjamin20's Avatar
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    supposedly its still somewhat effective but reqires cpu time so it has that as a major flaw. but i guess its cheaper and easier to do. nvidia uses software raid for all there stuff. an advantage though is that you can raid devices across controllers. you can even raid ide and sata devices together.
    nVidia G-Force 6600GT (bfg) pci-e: amd 64 2000+ (939): 1024 corsair ram: 2X 80gb seagate harddisk SATA: plextor cd/dvd-read/write cdrom SATA

  10. #9
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    Re:

    Can't you have up to 4 SATA devices on most boards??

  11. #10
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    Yep, you can.

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