Whats the deal with RAID
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Thread: Whats the deal with RAID

  1. #1
    Join Date
    Dec 1999
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    Australia, Vic, Melbourne
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    232

    Whats the deal with RAID

    i know what RAID is but how does raid speed up hdd performance ?

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    Thank you for booting windows for the first time "Error, This program has performed an illegal operation and will be shutdown"
    Thank you for booting windows for the first time "Error, This program has performed an illegal operation and will be shutdown"

  2. #2
    Join Date
    Dec 1999
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    Australia, Vic, Melbourne
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    232
    ****! i only just realized wrong forum, oh well.......

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    Thank you for booting windows for the first time "Error, This program has performed an illegal operation and will be shutdown"
    Thank you for booting windows for the first time "Error, This program has performed an illegal operation and will be shutdown"

  3. #3
    Join Date
    Nov 2000
    Location
    Redwood City, CA, USA
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    55
    Well, I'm not familiar with video RAID, but I'll try to respond. (Sorry.)

    RAID is an acronym for Redundant Array of Inexpensive Disks. It has different levels, so you an expect to see weird looking descriptions like RAID 0, RAID 1, and RAID 5.

    RAID 0 is the performance booster. It involves "striping" or creating a volume that spans disks and channels...thereby dramatically speeding I/O performance. It's also the most risky, in that if you lose one drive, you pretty much lose all your data.

    I won't go into RAID 1 & 5 here, since I assume you're concerned with performance, as opposed to redundancy. However, here's a link to a really good site which covers RAID in more detail than you'd ever want:
    http://www.raid5.com/04_01_00.html

    Good luck,
    Jerry

  4. #4
    Join Date
    Mar 2000
    Location
    Pittsburgh, PA
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    The way striping works (across 2 drivers, for example), is that each drive only handles 1/2 the data, which provides a significant speed boost.

    search here for RAID, they have an excellent explanation in more detail

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  5. #5
    Join Date
    Jul 1999
    Location
    Washington, PA USA
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    1,930
    I thought the I stood for Independent... inexpensive would kind of be deceiving.. I mean, a RAID 0,1 array of 60gig SCSIs would not be inexpensive!

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    A man is offered either infinite wisdom, or infinite money. He chooses the wisdom, thinks for a minute, and realizes he should have taken the money.
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  6. #6
    Join Date
    Jan 1999
    Location
    Melbourne, Australia
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    *Bink attempts to estimate the price of a RAID 0+1 configuration with 60Gb RAID SCSI when smoke starts to pour out of his ears!*

    Yeah, not so cheap

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