From e52a13cca915eb48ee55e23bf8fc6d80a680400a Mon Sep 17 00:00:00 2001 From: Arne Wiebalck Date: Tue, 24 Aug 2021 15:00:51 +0200 Subject: [PATCH] [doc] Cross-reference the updated power sync docs from tuning Change-Id: I44f92d329e1bd6fdba2ed038ee94753aeb349659 --- doc/source/admin/tuning.rst | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/doc/source/admin/tuning.rst b/doc/source/admin/tuning.rst index 1ecd1f78e5..7d5f68fb6d 100644 --- a/doc/source/admin/tuning.rst +++ b/doc/source/admin/tuning.rst @@ -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 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? ==============