One drive Raid arrays?

Chu

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Jan 2, 2001
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Hello all. I am about to add a 4th hard drive to my system, and I have an IDE card. This means I will have to putting more then one drive on each channel, but wait! I have a hardware raid chip on my motherboard, and it will not allow itself to function as an IDE card however, it will let me define a Raid0 or Raid1 array with just one drive. The question is, what exactly does it do to a one drive array? Will I be able to pull this drive out of this computer, and attach it to any other computer and have it be read fine since it is a one drive array, or is it now propritary to my computer?

Oh, and on another note, what happens if you loose a drive with Win2K JBOD Raid?

-Chu
 

AndyHui

Administrator Emeritus<br>Elite Member<br>AT FAQ M
Oct 9, 1999
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By definition, one drive is not an array.

You also cannot configure a drive to operate internally as a RAID unit either (I've heard some people asking about this).
 

Workin'

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Jan 10, 2000
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Don't know about your first question, but

<< Oh, and on another note, what happens if you loose a drive with Win2K JBOD Raid? >>

In that case you lose any data on the lost drive and (I'm pretty sure) those that follow it. The data on any drives before the failed one should be OK. JBOD just fills up the drives from first to last, i.e., if you have 3 10GB drives in a 30GB JBOD configuration, nothing is written to the second or third drive until the first one is full.
 

Chu

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Jan 2, 2001
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>> By definition, one drive is not an array.

I do realize this, but my controller will let me create a Raid0 or Raid1 "array" with just a single drive, and it will not let me use the IDE ports without Raid enabled. My question is to how portable this drive is, since theoritically all the information to access all the data on the drive is self contained. I guess a similar question would be what happens if you try to move one drive of a Raid1 array to a computer without the same Raid controller.

Also, about the answer to the JBOD question. Let's say I have 3 drives in a JBOD array. Drive 2 dies. Are you implying that I just lost all data on drive 3 as well, or is drive 3 safe?

-Chu

P.S., I know that linux and NTFS do not get along very well, but I've been hearing that it is to the point where you can safely read data and not worry about corruption. I also know that Linux hates all things that have to do with Windows Dynamic Drives, but will linux and Dynamic Drives get along well enough that I can read data off drives if I make them dynamic? I will have 3 drives all dedicated to the same purpose, storing LARGE media files, and I cannot afford the risk of Raid0.

-Chu
 

Workin'

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Jan 10, 2000
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<< Let's say I have 3 drives in a JBOD array. Drive 2 dies. Are you implying that I just lost all data on drive 3 as well, or is drive 3 safe? >>

I'm not 100% certain, but I think you lose drive 3 as well. But I'm not positive about that.
 

Chu

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Jan 2, 2001
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Common, someone must have more insight into this then correcting a technacility.

-Chu