[DRBD-user] DRBD device held open by someone

Dileep Nayak tech.disscuss2011 at gmail.com
Thu Jun 23 13:33:43 CEST 2011

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

Hi All,

The issue "State change failed: (-12) Device is held open by someone" come
in below cases. Can anybody please explain how to verify them in case the
problem does exist.

Sometimes it is just udev or equivalent doing a race.
Sometimes it is a unix domain socket or similar still held open
(won't necessary show up in lsof/fuser).
Sometimes it is some device mapper targets not yet taken down.
Sometimes it is nfs locks not being properly released (in time).


Dileep Nayak

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