Ceph

06/16/2016

01:17 PM Linux kernel client Bug #12763: rbd: unmap failed: (16) Device or resource busy

Thanks, Ilya,
This workaround works for me. So, there is no support for multipath from the rbd side, right? Ivan Koldyazhny

06/15/2016

02:00 PM Linux kernel client Bug #12763: rbd: unmap failed: (16) Device or resource busy

$ sudo lsof /dev/rbd1
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
multipath 31388 root 10u BL... Ivan Koldyazhny

10:26 AM Linux kernel client Bug #12763: rbd: unmap failed: (16) Device or resource busy

'sudo multipath -ll' doesn't show anything at all Ivan Koldyazhny

10:02 AM Linux kernel client Bug #12763: rbd: unmap failed: (16) Device or resource busy

A bit more details about my environment:
$ ceph -v
ceph version 0.94.7 (d56bdf93ced6b80b07397d57e3fa68fe68304432)
... Ivan Koldyazhny

06/13/2016

11:11 AM Linux kernel client Bug #12763: rbd: unmap failed: (16) Device or resource busy

Here is output from console:
* http://paste.openstack.org/show/510493/
* http://paste.openstack.org/show/510494/
... Ivan Koldyazhny

10:43 AM Linux kernel client Bug #12763: rbd: unmap failed: (16) Device or resource busy

Here is related bug in Ubuntu: https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/1581764
I can reprod... Ivan Koldyazhny