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Raid vs SATA

post #1 of 37
7/23/06 at 4:56pm
Thread Starter 
which ones better i hear raid is alot quicker but i dont know very many people that have raid is there a reason why?

whats the difference ive done some searching on google and stuff but every explination about raid was so technical i couldnt really understand it
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post #2 of 37
7/23/06 at 5:00pm
sata is the type of connection between the hd and motherboard. . . and raid is a matter of stripping data across two or more drives (speaking of raid 0 since speed is in question) . . the best is sata AND raid
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post #3 of 37
7/23/06 at 5:07pm
Raid is combining 2 or more hdd's to act as one. There are different types of raid. Sata has nothing to do with raid. It is just a different interface/connection to the mb to allow higher bandwidth transfer rates. You can have a raid setup with sata or Ide hdd's. sata drives are faster than ide drive as far as transfer rate is concerned.
2 ide drives in raid will be faster than 1 sata drive and 2 sata drives in raid will be faster than 2 ide drives in the same raid setup. This is called "raid 0". This splits the info between both drives and can read/write to both at the same time...hence the faster speed.
Another type of raid is "raid1" which is taking 2 drives and having them hold the same info so if 1 fails then the other will retain all data and there is no loss of info. In raid0 if 1 drive fails you lose all info on both drives.
To run a raid setup you will need to reformat the system and fresh install windows.
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post #4 of 37
7/23/06 at 5:08pm
Thread Starter 
ahh gotcha thnx had to clear things up. so just data transfer between harddrives right
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post #5 of 37
7/23/06 at 5:13pm
SATA is a type of HD to Mobo interface, RAID is for extra performance or data security with 2 or more HDs.

2 different things , not many people have RAID because you'll need more then 1 HD and a higher chance of data lose.
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post #6 of 37
7/23/06 at 5:14pm
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Raid Explained here :http://en.wikipedia.org/wiki/Redunda...ependent_disks
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post #7 of 37
7/23/06 at 5:16pm
Thread Starter 
wait better chance of memory loss o.O wouldnt it be less since you have to harddrives?
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post #8 of 37
7/23/06 at 5:16pm
Yes. There are different types of RAID. Read my FAQ about performance with RAID, using SATA drives. Also, a good a clear explanation about RAID can be found here:
http://www.acnc.com/04_01_00.html

RAID0 is most commenly used to improve performance. Two or more hard drives act as one, which really makes a big difference.

RAID1 gives data security, since all data is copied (mirrored) to the second drive. You'll only have the storage space of one drive, and performance is about the same as a single drive (the mirroring takes place in the background)

RAID5 is a method that improves read performance and data security. A parity stripe is distributed along all drives to enhance security. Write performance with SATA drives is quite awful, and you'll need three or more hard drives.

RAID0+1 combines RAID0 and RAID1 (obviously). Best of both worlds; but you'll need four drives, and you have the storage space of only two.

In RAID0 you have a higher risk of data loss, since the failure of ONE hard drive will destroy all data (see my other RAID FAQ). RAID1, RAID5, and RAID0+1 improve data security, at a cost of storage space
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post #9 of 37
7/23/06 at 5:22pm
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man i love this forum quick replys and easy to understand replys lol aite thnx alot every1 really good information
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post #10 of 37
7/23/06 at 5:24pm
We're here to help

As you see, I am running RAID0+1 on four 250GB Hard drives. I have 500GB storage space, and data security because of the RAID0+1. Up to two drives can fail before I will get in trouble.
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