openstack/ironic
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Merge "[doc] Cross-reference the updated power sync docs from tuning"

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Zuul 2021-08-25 06:46:19 +00:00 committed by Gerrit Code Review
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doc/source/admin/tuning.rst
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@ -189,6 +189,18 @@ of the data model to handle cases such as upgrades, the entire result set
is downloaded and transformed which is an overhead you do not experience with is downloaded and transformed which is an overhead you do not experience with
a command line database client. a command line database client.
BMC interaction
===============
In its default configuration, Ironic runs a periodic task to synchronize the
power state of the managed physical nodes with the Ironic database. For the
hardware type ``ipmi`` (see :doc:`/admin/drivers/ipmitool`) and depending on
the number of nodes, the network connectivity, and the parallelism of these
queries, this synchronization may fail and retries will be triggered. Please
find more details on the power synchronization and which options to adapt in
case too many power sync failures occur in the section on
:doc:`/admin/power-sync`.
What can I do? What can I do?
============== ==============