** Changed in: nova (Ubuntu)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1219658
Title:
Wrong image size using rbd backend for libvirt
Status in OpenStack Compute (nova) havana series:
In Progress
Status in “nova” package in Ubuntu:
Fix Released
Status in “nova” source package in Trusty:
New
Bug description:
[Impact]
* The original fix for bug 1219658 introduced a factor of 1024 error
in the resulting rbd image size. Big impact.
[Test Case]
* To have icehouse openstack using rbd image backend for libvirt:
Images seem to be 1024 larger than expected.
For example (comment #3):
# rbd -p images info ae9d23f0-b5a0-4d92-a15d-b3f23d276c72_disk rbd image
'ae9d23f0-b5a0-4d92-a15d-b3f23d276c72_disk':
size 20480 GB in 5242880 objects
order 22 (4096 kB objects)
block_name_prefix: rbd_data.1cac92ae8944a
format: 2
features: layering
when the expect size should be 20 GB.
[Regression Potential]
* Fix is running in a big production without any problem.
* RDB backend could stop working (keeping the bug will eventualy cause
an outage for those who use rdb backend)
[Other Info]
For rbd image backend for libvirt, the root partition will use the
image size not 'disk' size. It lack of resize root volume in the
codes.
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