All of lore.kernel.org
 help / color / mirror / Atom feed
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



             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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='012401cd9260$141ca630$3c55f290$@com' \
    --to=johnson_yan@usish.com \
    --cc=linux-raid@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.