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Thread: Running Raid 0?

  1. #1
    Variable Bitrate FyreDaug's Avatar
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    Running Raid 0?

    Anyone currently running raid 0 in their carputer? I have 120 gig and my space is getting limites, so im considering getting another 120gb seagate and a raid controller. Should help the boot up times considering thats the only thing that bugs me. Plus I'll get the extra space I need.

  2. #2
    I'm sorry, and you are....? frodobaggins's Avatar
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    It's gonna increase your boot time.
    The controller has to be initialized, and there are a lot
    of small files that need to be accessed at boot.

    Probably add 3-6 seconds to your boot time.
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    Newbie jarubio's Avatar
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    You should see some increase in response time, not in boot time. The more hard drives you add, the faster the response time. The bad thing about RAID 0 is if you loose one hard drive, you loose all of your information. You may be interested more in RAID 5. RAID 5 has its draw backs, you need a minimum of three hard drives, and your total capacity will be the number of hard drives minus one hard drive. For more information on RAID, check this website out http://www.acnc.com/04_00.html
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    Newbie JW™'s Avatar
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    Why not just add the drive and extend your existing volume (assuming you're running W2K or WXP). A RAID setup just to gain space isn't worth it; its primary benefits are stability and read/write speed for applications. frodo's dead on about boot times being increased, although I think his figures are optimistic

    (In case anyone's wondering, I'm a systems administrator, running ten W2K servers and one AIX server, all running RAID 5-E.)
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  5. #5
    I'm sorry, and you are....? frodobaggins's Avatar
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    Quote Originally Posted by JW™
    frodo's dead on about boot times being increased, although I think his figures are optimistic

    (In case anyone's wondering, I'm a systems administrator, running ten W2K servers and one AIX server, all running RAID 5-E.)
    nah, I think my figures are about right for IDE raid
    now scsi raid controllers....add 10-15 seconds
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    MySQL Error Scouse Monkey's Avatar
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    I would just get a nice quick HDD for your OS and GPS maps etc keeping your media on the 120gb or up that to a 20gb as well. I have 4 IDE connectors on my mobo with 2 separate controllers and the delay for the second controller drives me nuts - it's only about 4 seconds but add that onto the normal IDE drive initialisation and memory, CPU check etc etc and my PC seems to take a lifetime just to get up to the start of XP booting.

    Also turn off autodetect etc on your IDE channels. Boot time on an Athlon 3000 should be a couple of seconds. Maybe its time for a fresh xP install anyway!

  7. #7
    MySQL Error Scouse Monkey's Avatar
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    Oh and run the drives as normal master and slave (or master and master if you don't have an optical drive on IDE).

  8. #8
    My man uses Levitra. Peoples's Avatar
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    I agree with frodo about the boot time, and raid 0 does not make you loose 1 hard drive. I've ran raid 0, it stripes, does not mirror. Anyway...how the hell do you have that much music? I would consider a software based raid measure. I havent used one of these but i've heard of them being useful.
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  9. #9
    My man uses Levitra. Peoples's Avatar
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    Also, raid 5 requires a minium of 3 disks, raid 0 you only need two. you should read the info on the site you posted jarubio
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  10. #10
    Constant Bitrate sagekoala's Avatar
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    don't forget

    in a raid 0 you can expect your mtbf to 1/Nth (where N is the number of drives in the array) the mtbf of a single drive running alone. i wonder what the actual mtbf for a given drive would be in a car setting?
    don't worry i know i usually don't make much sense

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