Add detail to cellsv2-related release notes

This adds a few details about the cell0 database to the cellsv2-related
release notes.

Change-Id: I5867a99c591fa0517310318d3402a2e417acbe41
This commit is contained in:
melanie witt 2016-12-13 02:50:26 +00:00
parent a591c92f6d
commit 7c7686366b
3 changed files with 15 additions and 4 deletions

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@ -3,6 +3,7 @@ upgrade:
- |
'nova-manage db sync' can now sync the cell0 database.
The cell0 db is required to store instances that cannot be scheduled to
any cell. Before the 'db sync' command is called a cell mapping
for cell0 must have been created using 'nova-manage cell_v2 map_cell0'.
any cell. Before the 'db sync' command is called, the cell0 database
must be created by the operator and a cell mapping for cell0 must be
created using 'nova-manage cell_v2 map_cell0'.
This command only needs to be called when upgrading to CellsV2.

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@ -10,4 +10,9 @@ upgrade:
The new command is
"nova-manage cell_v2 simple_cell_setup --transport_url <transport_url>"
where transport_url is the connection information for the current message
queue used by Nova.
queue used by Nova. Operators must create a new database for cell0 before
running `cell_v2 simple_cell_setup`. The simple cell setup command expects
the name of the cell0 database to be `<API database name>_cell0` as it will
create a cell mapping for cell0 based on the API database connection, sync
the cell0 database, and associate existing hosts and instances with the
single cell.

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@ -4,4 +4,9 @@ upgrade:
cell and host mappings in Newton. If you have not done
this, Ocata's `db sync` command will fail. Small deployments
will want to run `nova-manage cell_v2 simple_cell_setup`
on Newton before upgrading.
on Newton before upgrading. Operators must create a new database for cell0
before running `cell_v2 simple_cell_setup`. The simple cell setup command
expects the name of the cell0 database to be `<API database name>_cell0` as
it will create a cell mapping for cell0 based on the API database
connection, sync the cell0 database, and associate existing hosts and
instances with the single cell.