** Changed in: nova
Importance: Undecided => Medium
** Also affects: nova/pike
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1718474
Title:
Vzstorage driver doesn't lock when connecting volume
Status in OpenStack Compute (nova):
Fix Released
Status in OpenStack Compute (nova) pike series:
In Progress
Bug description:
Occasionally, Virtuozzo Storage CI fails 1 testcase, with following error in
nova-compute:
Sep 20 09:40:55 localhost.localdomain nova-compute[67785]: Command:
pstorage-mount -c testcluster_uypcf0k16f -u stack -g root -m 0770 -l
/var/log/vstorage/testcluster_uypcf0k16f/nova.log.gz
/opt/stack/data/nova/mnt/0d5556ed3994ee64ccc877564e48b2a4
Sep 20 09:40:55 localhost.localdomain nova-compute[67785]: Exit code: 255
Sep 20 09:40:55 localhost.localdomain nova-compute[67785]: Stdout: u''
Sep 20 09:40:55 localhost.localdomain nova-compute[67785]: Stderr: u'20-09-17
09:40:55.782 vstorage-mount: mounting vstorage://testcluster_uypcf0k16f at
/opt/stack/data/nova/mnt/0d5556ed3994ee64ccc877564e48b2a4 with flags: 0xc06,
params:
fd=3,rootmode=40000,user_id=0,group_id=0,allow_other,default_permissions,writeback_enable,direct_enable,umount_wait,\nvstorage-mount:
failed to initialize log file\n20-09-17 09:40:55.832 fuse_umount:
/opt/stack/data/nova/mnt/0d5556ed3994ee64ccc877564e48b2a4\n' {{(pid=75667) loop
/usr/lib/python2.7/site-packages/oslo_privsep/daemon.py:449}}
full log:
http://paste.openstack.org/show/621549/
http://openstack-3rd-party-storage-ci-logs.virtuozzo.com/44/504944/3/check/dsvm-tempest-kvm/eed2bd5/console.html
This is a consequence of simultaneously connecting 2 volumes, since
connect_volume() is not synchronized, like f.e. in Quobyte driver.
BTW, many other drivers should suffer from this mistake.
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