Re: Growing a raid array online with different capacity disks

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On Thu, 10 Mar 2011, jimbob palmer wrote:

i.e. 4x1tb disks, take out 1x1tb replace with 1x3tb disk, array grows

Does mdadm support this?

No.

I searched the official faq and debian faq for expand and grow and
didn't find anything.

How do you propose that a 4 drive RAID5 (giving you 3 tb usage) would redundantly give you more usable space by swapping out one drive for a larger one and still be fully redundant?

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Mikael Abrahamsson    email: swmike@xxxxxxxxx
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