Adding new raid with different capacity drives on opposite side

hi,
I have an Xserve raid G4 with two sides of 7 bays. Currently one side is filled up with 7 250 gb Apple drives making a 1.37TB raid 5 and the other side is all empty. I just purchased 7 Apple 500gb drives and was wondering if I can combine the 2 sides into one raid 5 or because of the different capacity drives, must I have 2 raid 5s? I am thinking the latter.
(I have done a search for an answer to this question and couldn't find a similar question. So, let me apologize if this is redundant info here.)
Thanks

The two sides are completely independent, so regardless of the size of the drives you cannot combine the drives on the left side in the same hardware-based RAID array with drives on the right hand side.
It is, however, perfectly valid to have an array of 250GB drives on the left, with a separate array of 500GB drives on the right.
That said, once you have two (or more) arrays, you can combine them into a single volume on the desktop using software RAID to concatenate the multiple volumes.
If you decide to install the 500GB drives on the same side to incorporate them in the existing array then they will be treated as 250GB drives and the additional capacity will be lost.

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Message was edited by: Grant Bennet-Alder

Adding new raid with different capacity drives on opposite side

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