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Topic: I dont know what Raid is/ can someone explain?

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  1. #1

    I dont know what Raid is/ can someone explain?

    I dont know if i should be asking this here or in the
    Hardware forum.
    So sorry if this is inappropriate.

    I feel i know alot about PC's, or at least i thoght i did.

    I dont know what Raid is. Can someone explain?

    I thought it had something to do with networking?, or something.
    I see people mention it here, but cant figure out exactly what
    the benefit is.

    Thanks to anyone who cares to take the time to explain this.
    I appreciate it!
    Toddk

  2. #2

    Re: I dont know what Raid is/ can someone explain?

    RAID is a bug killer.

    For computers, RAID 0 and 1 are the most commonely used. Whether you're mirror or striping, it's all preference. It can speed up your computer (hardrives), or provide security, and constant monitored backup.

    Here's a site that explains it all.

    http://www.uni-mainz.de/~neuffer/scsi/what_is_raid.html

    Jared

  3. #3

    Exclamation Re: I dont know what Raid is/ can someone explain?

    I'd like to know too. The above link is too technical for me - life's too short. Can someone simply and clearly outline how and why RAID's supposed to benefit music creation/software/samplers etc? Cheers.

    A lot of people are in the dark about this sort of stuff eg. what the hell is SATA? I dunno.

    Thanks
    Heath

  4. #4

    Re: I dont know what Raid is/ can someone explain?

    There are quite a few different types of RAID. Basically it involves running more than one hard drive at the same time.


    RAID 0 (I think from memory) is where you have two (or more I think) hard drives sharing the same data. So when files are streaming off the drive or being written onto them, you have two drives sharing the workload. In theory, your data flow should double in speed but it doesnt quite workout that way for some reason.

    The big risk of RAID 0 is if one of the drives die YOU LOOSE YOUR DATA.

    RAID 1 (again going by memory) is where 1 drive is always backing up the other drive. This is great for data integrity but wont speed up your drives.

    Raid 0 is common for composers as they can theoretically increase the polyphony of their machine. Some people find RAID a real pain and opt for a single hi-speed drive like a 10,000 rpm Raptor or SCSI drive.

    HTH,

    Scott.
    ---------------------------
    - SCA - Sound Studios -
    www.sca-soundstudios.com
    ---------------------------

  5. #5

    Re: I dont know what Raid is/ can someone explain?

    Oh and SATA is Serial ATA, a faster more efficient way of streaming data to and from your drive. SATA is a young technology though and not significantly faster than normal ATA at this time.

    ATA = 100mbps
    SATA = 150Mps
    SATA II will double the speed to a theoretical 300mbps.
    ---------------------------
    - SCA - Sound Studios -
    www.sca-soundstudios.com
    ---------------------------

  6. #6

    Re: I dont know what Raid is/ can someone explain?

    Thanks for putting it more simply there Scott.

    Now i understand what's going on for the most part.

    I think i'd opt for the Raptor before i'd jump into Raid.

    Do you know what's up with the Raptor connection??

    Is it an SATA connection? I currenty have two SATA WD 120 's
    with 8 meg cache. And , 1 IDE 60 gig

    How do i know if my motherboard will accomodate the Raptor?
    I seem to recall somebody mentioning its a newer type of
    SATA connector.
    TK

  7. #7

    Re: I dont know what Raid is/ can someone explain?

    There is atleast a SATA150 version available of the Raptor and I assume there isn't a version with any of the slower connections.

  8. #8

    Re: I dont know what Raid is/ can someone explain?

    RAID stands for "Redundant Array of Inexpensive Disks".

    The basic idea is to combine the power of an "array of disks" (multiple disks) for the benefit of the computer.

    Benefits include "fault tolerance" and performance

    Fault tolerance: multiple drives contain the same data, so if one drive fails, data is still accessible

    Performance: data can be spread out over multiple disks, allowing better data access performance than a single disk

    Here are a couple of links I found:

    http://www.webopedia.com/TERM/R/RAID.html

    The one below is actually about SCSI, but it provides an example of RAID
    http://computer.howstuffworks.com/scsi6.htm

  9. #9

    Re: I dont know what Raid is/ can someone explain?

    Quote Originally Posted by Scott Cairns
    The big risk of RAID 0 is if one of the drives dies YOU LOOSE YOUR DATA.
    Yeppers.

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