Public bug reported:
The nova-compute process running as "nova" needs to modify this
directory but:
root@xg12:~# ls -l /var/lib/nova/instances/_base/
total 1805552
-rw-r--r-- 1 libvirt-qemu kvm 2147483648 Apr 2 17:07
1463a880811561c92d617f1b011763447e65f76f
-rw-r--r-- 1 libvirt-qemu kvm 10737418240 Apr 2 17:14
1463a880811561c92d617f1b011763447e65f76f_10
-rw-r--r-- 1 libvirt-qemu kvm 21474836480 Apr 2 17:14 ephemeral_0_20_None
You can see this error in the compute log:
2012-04-04 07:05:03 ERROR nova.manager [-] Error during
ComputeManager._run_image_cache_manager_pass: [Errno 13] Permissio\
n denied:
'/var/lib/nova/instances/_base/1463a880811561c92d617f1b011763447e65f76f'
2012-04-04 07:05:03 TRACE nova.manager Traceback (most recent call last):
2012-04-04 07:05:03 TRACE nova.manager File
"/usr/lib/python2.7/dist-packages/nova/manager.py", line 155, in periodic_ta\
sks
2012-04-04 07:05:03 TRACE nova.manager task(self, context)
2012-04-04 07:05:03 TRACE nova.manager File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2579, in _r\
un_image_cache_manager_pass
2012-04-04 07:05:03 TRACE nova.manager
self.driver.manage_image_cache(context)
2012-04-04 07:05:03 TRACE nova.manager File
"/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line 228\
9, in manage_image_cache
2012-04-04 07:05:03 TRACE nova.manager
self.image_cache_manager.verify_base_images(context)
2012-04-04 07:05:03 TRACE nova.manager File
"/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagecache.py", line 392\
, in verify_base_images
2012-04-04 07:05:03 TRACE nova.manager self._handle_base_image(img,
base_file)
2012-04-04 07:05:03 TRACE nova.manager File
"/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagecache.py", line 358\
, in _handle_base_image
2012-04-04 07:05:03 TRACE nova.manager os.utime(base_file, None)
2012-04-04 07:05:03 TRACE nova.manager OSError: [Errno 13] Permission denied:
'/var/lib/nova/instances/_base/1463a88081156\
1c92d617f1b011763447e65f76f'
2012-04-04 07:05:03 TRACE nova.manager
** Affects: nova (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/973377
Title:
/var/lib/nova/instances/_base has wrong permissions
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