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Seems like I have either asked or seen this before but I am planning to upgrade 5 out of 10 disks allocated to an LPAR which is currently at 86%. My goal is to hopefully replace the drives while the partition is active so the question is: Can I replace the drives one at a time and just allow RAID-5 to rebuild the drives?Pete, this isn't going to work. #1 All drives in a Raid Set Must be the Same Size, so you can't 'upgrade' this way. #2 At least in the past doing Concurrent Maint Drive swaps I'e had problem with the LIC/OS getting confused if I pulled 1 size drive and inserted another.
The info center for V5R4 says this:
"A disk unit that is running with device parity protection can be exchanged only if it has failed. A disk unit running with device parity protection cannot be replaced with a non-configured disk even if it has failed."
So it sounds like I *can't* do it.
Any pointers here? Seems like I should be able to just replace each disk one at a time and let then it rebuild before replacing the next one, but having only replaced truly failed drives, I am in uncharted territory.
The existing drives are model 4326 type 072 (30GB) and I plan to replace them with 4327 (70GB). V5R4M0 9406 520
Pete
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