when using ceph, the vm image in nova will be cloned from image and result in lower availablility

Bug #1802467 reported by Jeffrey Zhang on 2018-11-09
This bug affects 1 person
Affects Status Importance Assigned to Milestone
OpenStack Compute (nova)
Jeffrey Zhang

Bug Description

When using ceph in nova and glance, the image in nova will be cloned from glance images. Then the parent image in nova images will be pointed to glance pool. This will cause a lower availability. when glance pool is broken, the vm image is affected too.

For higher availability, we can flatten the image from its parent. Then nova images will not depends on glance pool.

Changed in nova:
assignee: nobody → Jeffrey Zhang (jeffrey4l)
status: New → In Progress
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