Description of problem:
Hello,
We provide specific instructions for configuring NFS as a backend for Glance and Cinder in our documentation at [1].
The same way we should also have instructions in the documentation for configuring NFS as a backend for the nova ephemeral storage.
We can still manually configure the nfs backend on the compute nodes after the overcloud has been deployed; but a stack update is killing the containers and hence after the stack update is complete; instances are unable to access the backend storage and therefore they won't start up.
[1] https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/13/html-single/advanced_overcloud_customization/index#sect-Configuring_NFS_Storage
Version-Release number of selected component (if applicable):
How reproducible:
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Actual results:
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Additional info:
Let me know if any additional information is required.
Just to note, there are additional changes required:
* BZ1599289 tracks changes to openstack-selinux policy
* BZ1594261 tracks changes to file permission changes on nova compute container restart.