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raid 0 how dangerus

post #1 of 33
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k i gave up the scsi thing so i'm goin 2 go with 2 250gb in raid 0 but is it worth it really by that much how much of a performance increase will i get? also what r the chances of loosing data since ppl r getting a lot of it and how do i prevent it?
post #2 of 33
The rate of failure will double, I am not sure on the speed in the real world, but here is the theoretical increase:

http://www.tomshardware.com/2007/07/...caling_charts/
    
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post #3 of 33
Well, here's the deal:

You'll get ~175% the performance over a single drive. You'll have 2X the chance that a drive fails, and if that happens, then you won't be able to rebuild your drive.

The safest and best performing array is a Raid10 (or Raid 1+0) Array. This will give you backup safety, and speed, but it requires 4 drives instead of just 2.
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post #4 of 33
Performance will greatly increase. But it usually varies betweens systems

Also, it doesn't often fail. But when it does it takes ALL your data.

So make sure you create a backup of anything important that you can cope straight onto the raid array again if it does fail.
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post #5 of 33
Quote:
Originally Posted by ArmenianLegend View Post
k i gave up the scsi thing so i'm goin 2 go with 2 250gb in raid 0 but is it worth it really by that much how much of a performance increase will i get? also what r the chances of loosing data since ppl r getting a lot of it and how do i prevent it?
I honestly think it should be an OCN rule that if you can't spell, you can't post......
    
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post #6 of 33
Thread Starter 
Quote:
Originally Posted by Whodie View Post
I honestly think it should be an OCN rule that if you can't spell, you can't post......


lol sorry i'll try better ok now what can i do to prevent the data loss is there somethings that make it happen or it just happens
post #7 of 33
Quote:
Originally Posted by ArmenianLegend View Post
lol sorry i'll try better ok now what can i do to prevent the data loss is there somethings that make it happen or it just happens
It just kinda happens. But the good(ish) news is that typically the drives have a 3-5 year warrenty on them, so you can get the drive back, even if it doesn't have the data on it.
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post #8 of 33
Performance does increase. However so does the risk of data loss. If you are running that raid config and the array fails then im afraid you say goodbuy to your data. Just a warning.
post #9 of 33
Quote:
Originally Posted by ae804 View Post
Well, here's the deal:

You'll get ~175% the performance over a single drive. You'll have 2X the chance that a drive fails, and if that happens, then you won't be able to rebuild your drive.

The safest and best performing array is a Raid10 (or Raid 1+0) Array. This will give you backup safety, and speed, but it requires 4 drives instead of just 2.
there is also raid 5 with three drives...gives better performance with data backup. I used it for quite a while til one drive died. Before that I was using Raid-0 and I found the performance to be the same. Then I went with a single drive and I did not notice and performance loss except that it might take a extra second or two moving an extremely large file...like 300MB or more. For my purposes this works just fine since I don't have alot of large files like that...just a few game demos and such. As far as opening pdf files and loading times for games and windows I do not notice one tiny little bit of difference.

I highly doubt I will ever go raid any thing again.
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post #10 of 33
Just remember the only time you see a speed difference is maybe 1 second decrease in loading time in games. Also keep in mind that when moving large files , keep in mind what the other buys got if you are transferring over the network, you will move only at his speed. Thus negating any speed increase you have, same for installing from a DVD/CD, because they are so slow.
    
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