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RAID & Partitions

post #1 of 7
Thread Starter 
Hiya,

Since I'm pretty new to RAID, I have a question (probably not the smartest, but I couldn't find an answer anywhere).
Would it be possible to configure a harddrive with 2 partitions and put those 2 partitions in RAID-0?
Everyone that I talked to about RAID-0, was talking about double harddrives, but would it also be possible with partitions?
Thanks in advance!

Cheers
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post #2 of 7
no. you need two hard drives to do raid0. the point of it is to use the bandwidth from 2 SATA interfaces and increase speeds.

if you are interested in learning more about RAID, check out this wiki page
post #3 of 7
Thread Starter 
Ah, thanks a lot!
Now you put it like that, kind of makes sense by using double interfaces.
Also, will there be a significant increase in performance when using RAID-0?
I both heard it's not worth the improvement and that it's not noticable, and on the other hand I heard people who wouldn't go back from using RAID-0. Any experience with this?
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post #4 of 7
I use RAID 0 on my PC with a pair of SSD's. I have run RAID 0 on my OS drive for years and several PC's. If you are using mechanical hard drives it will make a huge difference in speed. If you are using it with SSD drives it is not that noticeable since they are already pretty fast. For instance I do not notice a difference in day to day activities between my desktop with a pair of SSD's in RAID 0 and the single SSD that is in my Laptop. The Desktop is definitely faster for file copy operations, but the OS and load times are only a few tenths of a second at most.

Also remember that with RAID 0 you are upping your speed, but also upping your chance of failure. If you lose 1 of the 2 drives you will lose all data. That is why I use RAID 0 for my OS only. I have a second set of drives in RAID 5 (requires a minimum of 3 drives) for all my data. The difference is that RAID 5 is a striped array (RAID 0) with parity (data protection) so that all data exists on more than one drive so that if you lose a drive you will not lose any data.

I also backup daily to an external drive just to be safe because even with RAID 5 if you lose the controller you will lose the data. Unless you have an enterprise class controller such as a PERC 5/I that also stores the RAID configuration on the drives themselves.
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Greased Lightning
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RAMHard DriveOptical DriveCooling
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post #5 of 7
Thread Starter 
Thanks a lot for the info!thumb.gif
I was planning on using a RAID-0 configuration for everything (boot, storage, etc.), but taking the risk of data loss in mind I'll pass.
Since I had a couple of spare drives laying around, I thought a RAID-0 setup would be a nice alternative to an SSD, since I don't have one.
Better start looking around for a nice SSD then.
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post #6 of 7
my dad and i used to play battlefield 2 together, and on his desktop he has a RAID0 setup. the little bit extra speed made him always the first player in the server so he always got the jet. definately something cool to do. raid5 is expensive (for 3x1tb drives, you end up with 1.9tb) but fast and secure. raid 0+1 is also cool because it is 2 raid0 arrays which are mirrored (fast raid0 speeds immediately backed up on a second raid0 array)
post #7 of 7
Thread Starter 
Hmm, the Raid 0+1 sounds interesting, maybe something for the near-future.
Thanks again!thumb.gif
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