[DRBD-user] Device is held open by someone

[Phillips, Dan]

We have been working on same/similar "Device is held open by someone" issue for some time now. Occurs on fairly regular basis upon manual failover.


[root at jamaica-a logs]# tail -f /var/log/messages
Feb  8 04:59:35 jamaica-a kernel: ide: failed opcode was: unknown
Feb  8 04:59:35 jamaica-a kernel: drbd0: State change failed: Device is held open by someone
Feb  8 04:59:35 jamaica-a kernel: drbd0:   state = { cs:Connected st:Primary/Secondary ds:UpToDate/UpToDate r--- }
Feb  8 04:59:35 jamaica-a kernel: drbd0:  wanted = { cs:Connected st:Secondary/Secondary ds:UpToDate/UpToDate r--- }

Dan Phillips


From: drbd-user-bounces at lists.linbit.com [mailto:drbd-user-bounces at lists.linbit.com] On Behalf Of Felipe Gutierrez
Sent: Tuesday, February 26, 2013 7:50 AM
To: Prater, James K.
Cc: drbd-user at lists.linbit.com
Subject: Re: [DRBD-user] Device is held open by someone

Like this:

# cat /etc/drbd.d/r7.res
resource r7 {
  on cloud15 {
    device /dev/drbd7;
    disk /dev/vg_7/lv_7;
    address 192.168.188.15:7789<http://192.168.188.15:7789>;
    meta-disk internal;
  }
  on cloud16 {
    device /dev/drbd7;
    disk /dev/vg_7/lv_7;
    address 192.168.188.16:7789<http://192.168.188.16:7789>;
    meta-disk internal;
  }
}
On Tue, Feb 26, 2013 at 9:49 AM, Prater, James K. <jprater at draper.com<mailto:jprater at draper.com>> wrote:
How are the drbd volume(s) used?


James
From: drbd-user-bounces at lists.linbit.com<mailto:drbd-user-bounces at lists.linbit.com> [mailto:drbd-user-bounces at lists.linbit.com<mailto:drbd-user-bounces at lists.linbit.com>] On Behalf Of Felipe Gutierrez
Sent: Tuesday, February 26, 2013 7:05 AM
To: drbd-user at lists.linbit.com<mailto:drbd-user at lists.linbit.com>
Subject: [DRBD-user] Device is held open by someone

Hi everyone,

I am trying to do a failover system only with drbd. When my primary node get out of the network, the secondary node became primary and I mount the filesystem.
secondary# drbdadm primary r7
secondary# mount /dev/drbd7 /mnt/drbd7/

Until that every thing is ok.
At this time, my old primary node has to became the secondary and I have to discard my changes.
primary# umount -l /mnt/drbd7
primary# drbdadm secondary r7
7: State change failed: (-12) Device is held open by someone
Command 'drbdsetup 7 secondary' terminated with exit code 11
primary# drbdadm -- --discard-my-data connect r7

Does anyone have a hint?
Thnaks in advance!
Felipe

--
--
-- Felipe Oliveira Gutierrez
-- Felipe.o.Gutierrez at gmail.com<mailto:Felipe.o.Gutierrez at gmail.com>
-- https://sites.google.com/site/lipe82/Home/diaadia



--
--
-- Felipe Oliveira Gutierrez
-- Felipe.o.Gutierrez at gmail.com<mailto:Felipe.o.Gutierrez at gmail.com>
-- https://sites.google.com/site/lipe82/Home/diaadia
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