Neil Brown wrote:
Growing a raid5 or raid6 by adding another drive is conceptually
possible to do while the array is online, but I have not definite
plans to do this (I would like to). Growing a raid5 into a raid6
would also be useful.
These require moving lots of data around, and need to be able to cope
with drive failure and system crash.... a fun project..
EVMS has this already.
It works and is supported (whereas I didn't think raidreconf was). It would be nice to move the EVMS raid5 extension code into the core md.
FYI, I used EVMS briefly and found it to be an excellent toolset. It's a teeny bit rough and a bit OTT for a personal server though so I'm sticking with md/lvm2 for now :)
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