On 2014-10-05, Patrik Horník [off-list ref] wrote:

- We discussed couple of years ago hot replacing the drive. I see it
is now supported in mdadm. Is it rock stable and can be used on
production data?

I have used replace a handful of times with great success and no
problems.  I have not had to shut down the array during the rebuild
operation, however.  I suspect (but have no direct evidence) that a
clean shutdown should be fine.  I used kernel 3.9 from ELRepo for
the replace.

--keith


-- 
kkeller@wombat.san-francisco.ca.us


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