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[Curtis <serverascode@xxxxxxxxx>]

Hi,

I'm having an issue in OpenStack Essex on Ubuntu 12.04 using nova-compute
version 2012.1.3+stable-20120827-4d2a4afe-0ubuntu1.4 where there are many
nbd disk mounts left over from booting Windows 7 virtual machines. Also, (I
think) once the instance is deleted the nbd process holds onto the deleted
file.

Has anyone seen this before? I've done quite a bit of googling but haven't
found anyone with similar issues. I thought I'd ask the list before I
really dived into the code.

$ mount | grep openstack
/dev/mapper/nbd15p1 on /tmp/openstack-disk-mount-tmp86qoQE type fuseblk
(rw,nosuid,nodev,allow_other,blksize=4096)
/dev/mapper/nbd14p1 on /tmp/openstack-disk-mount-tmpUzs31L type fuseblk
(rw,nosuid,nodev,allow_other,blksize=4096)
/dev/mapper/nbd13p1 on /tmp/openstack-disk-mount-tmpGywuh7 type fuseblk
(rw,nosuid,nodev,allow_other,blksize=4096)
/dev/mapper/nbd12p1 on /tmp/openstack-disk-mount-tmpCqaql2 type fuseblk
(rw,nosuid,nodev,allow_other,blksize=4096)
/dev/mapper/nbd10p1 on /tmp/openstack-disk-mount-tmppdq4Mq type fuseblk
(rw,nosuid,nodev,allow_other,blksize=4096)
/dev/mapper/nbd9p1 on /tmp/openstack-disk-mount-tmp7hIhDU type fuseblk
(rw,nosuid,nodev,allow_other,blksize=4096)
/dev/mapper/nbd8p1 on /tmp/openstack-disk-mount-tmp0AAVq7 type fuseblk
SNIP!

Right now on six compute nodes I have 74 of these "lost" mounts.

Any thoughts on that? ):

Thanks,
Curtis.


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