[DRBD-user] Device is held open by someone

Felipe Gutierrez felipe.o.gutierrez at gmail.com
Tue Feb 26 13:04:51 CET 2013

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

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