From: "Johnson Yan" <johnson_yan@usish.com>
To: linux-raid@vger.kernel.org
Subject: RAID0 DeviceDisappeared event happen when restart mdmonitor service
Date: Fri, 14 Sep 2012 18:02:41 +0800 [thread overview]
Message-ID: <012401cd9260$141ca630$3c55f290$@com> (raw)
Hi All,
When I restart mdmonitor service, a notify email will be received, which
indicate DeviceDisappeared event happened for RAID0, is this phenomenon
reasonable? Could anyone explain this?
The email info as below
......
Host : host3.com
Event : DeviceDisappeared
MD Device : /dev/md1
......
[root@host3 ~]# service mdmonitor restart
Killing mdmonitor: [ OK ]
Starting mdmonitor: [ OK ]
[root@host3 ~]#
[root@host3 ~]# cat /proc/mdstat
Personalities : [raid1] [raid0]
md1 : active raid0 sda1[1] sdb1[0]
927933312 blocks super 1.2 64k chunks
md2 : active raid1 sdc1[1] sde1[0]
292836160 blocks super 1.2 [2/2] [UU]
bitmap: 0/2 pages [0KB], 131072KB chunk
md0 : active raid1 sdf1[0] sdg1[1]
488254272 blocks super 1.2 [2/2] [UU]
bitmap: 0/2 pages [0KB], 131072KB chunk
unused devices: <none>
[root@host3 ~]#
[root@host3 ~]# uname -r
3.2.28-11.el6.x86_64
[root@host3 ~]#
[root@host3 ~]# mdadm -V
mdadm - v3.2.5 - 18th May 2012
[root@host3 ~]#
Thanks in advance.
Johnson Yan
next reply other threads:[~2012-09-14 10:02 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-14 10:02 Johnson Yan [this message]
2012-09-17 2:30 ` RAID0 DeviceDisappeared event happen when restart mdmonitor service Jack Wang
2012-09-17 2:44 ` Johnson Yan
2012-09-17 2:48 ` NeilBrown
2012-09-17 3:03 ` Jack Wang
2012-09-17 3:23 ` Johnson Yan
2012-10-24 2:10 ` NeilBrown
2012-10-24 4:29 ` Johnson Yan
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