From: John Drescher <drescherjm@gmail.com>
To: lilofile <lilofile@aliyun.com>
Cc: stan <stan@hardwarefreak.com>, Linux RAID <linux-raid@vger.kernel.org>
Subject: Re: raid5 Unplug the disk
Date: Wed, 28 Jan 2015 11:59:30 -0500 [thread overview]
Message-ID: <CAEhu1-4krpTbF-0mLdgoTKrkdrWo8J2k80BC0t48rv3WkG3UBA@mail.gmail.com> (raw)
In-Reply-To: <2c82c493-1fd8-4e59-9f9c-ecd2ab4296e3@aliyun.com>
On Wed, Jan 28, 2015 at 1:44 AM, lilofile <lilofile@aliyun.com> wrote:
> 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?
stop whatever new array that shows up then use
mdadm --manage /dev/mymddevice --re-add /dev/disk5
John
next prev parent reply other threads:[~2015-01-28 16:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-28 6:44 raid5 Unplug the disk lilofile
2015-01-28 16:59 ` John Drescher [this message]
2015-02-05 5:03 ` NeilBrown
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