From mboxrd@z Thu Jan  1 00:00:00 1970
From: "lilofile" <lilofile@aliyun.com>
Subject: =?UTF-8?B?cmFpZDUgVW5wbHVnIHRoZSBkaXNr?=
Date: Wed, 28 Jan 2015 14:44:44 +0800
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To: lilofile <lilofile@aliyun.com>, stan <stan@hardwarefreak.com>, Linux RAID <linux-raid@vger.kernel.org>
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kernel  linux 3.10, centos
when I use 5 disk to create raid5,after sync complete, I unplug a disk,and wait a moment, then replug the same disk.

the original 4 disk are still a raid5 which is degraded.
I find the single disk  become a new raid5,but inactive,what the reason?