diff --git a/doc/source/user/cellsv2-layout.rst b/doc/source/user/cellsv2-layout.rst index 1346ed0b7c..be0e869e27 100644 --- a/doc/source/user/cellsv2-layout.rst +++ b/doc/source/user/cellsv2-layout.rst @@ -245,7 +245,9 @@ this limitation. Caveats of a Multi-Cell deployment ---------------------------------- -.. note: This information is correct as of the Pike release. +.. note:: This information is correct as of the Pike release. Where + improvements have been made or issues fixed, they are noted per + item. Cross-cell instance migrations ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -271,6 +273,8 @@ independent of the actual cell being reachable. Performance of listing instances ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.. note:: This has been resolved in the Queens release [#]_. + With multiple cells, the instance list operation may not sort and paginate results properly when crossing multiple cell boundaries. Further, the performance of a sorted list operation will @@ -317,7 +321,10 @@ implement some features without such connectivity. Thus, anything that requires a so-called "upcall" will not function. This impacts the following: -#. Instance reschedules during boot +#. Instance reschedules during boot and resize + + .. note:: This has been resolved in the Queens release [#]_. + #. Instance affinity reporting from the compute nodes to scheduler #. The late anti-affinity check #. Querying host aggregates from the cell @@ -359,3 +366,6 @@ case of boot from volume where the *nova-compute* service itself creates the volume and must tell Cinder in which availability zone to create the volume. Long-term, volume creation during boot from volume should be moved to the top-level superconductor which would eliminate this AZ up-call check problem. + +.. [#] https://blueprints.launchpad.net/nova/+spec/efficient-multi-cell-instance-list-and-sort +.. [#] https://specs.openstack.org/openstack/nova-specs/specs/queens/approved/return-alternate-hosts.html