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Old 06-26-2004, 08:34 PM   #1 (permalink)
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Default RAID Settings

Now lets say that I have the following HD's:

HD #1: Western Digital Raptor 74GB 10,000RPM SATA Hard Drive, Model WD740GD

HD #2: Western Digital 200GB 7200RPM SATA Hard Drive, Model WD2000JD

What RAID settings would I need for them to be completly independent of each other and work at optimal speeds?

Actually I dont even know what RAID stands for or how it works, so a crash course on that would be greatly appreciated.

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Old 06-27-2004, 03:55 AM   #2 (permalink)
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RAID stands for Redundant Array of Inexpensive(or Independant) Disks. A RAID array is a collection of drives which collectively act as a single storage system, which can tolerate the failure of a drive without losing data, and which can operate independently of each other. There are a few RAID levels. Most people are concerned with the first two(0 and 1):
-RAID Level 0 (Striping) is not redundant, hence does not truly fit the "RAID" acronym. In level 0, data is split across drives, resulting in higher data throughput. Since no redundant information is stored, performance is very good, but the failure of any disk in the array results in data loss.
-RAID Level 1 (mirroring) provides redundancy by duplicating all data from one drive on another drive. The performance of a level 1 array is only slightly better than a single drive, but if either drive fails, no data is lost. The cost per megabyte is high in this set-up, however your pretty much guaranteed of safe data.

So basically if you want a faster hard drive set-up, use level 0, and if you want safer set-up use level 1. You also need 2 identical hard drives (size and speed at least) to work in a RAID set-up. Maybe a RAID set-up isnt what your in need of??
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