On Fri, 16 Jan 2015 00:20:12 -0500
Xiao Ni [off-list ref] wrote:

Hi Joe

   Thanks for reminding me. I didn't do that. Now it can remove successfully after writing
"idle" to sync_action.

   I thought wrongly that the patch referenced in this mail is fixed for the problem.

So it sounds like even with 3.18 and a new mdadm, this bug still
persists?

-- Joe