-[[chapter-ha-manager]]
+[[chapter_ha_manager]]
ifdef::manvolnum[]
-PVE({manvolnum})
-================
+ha-manager(1)
+=============
include::attributes.txt[]
+:pve-toplevel:
NAME
----
DESCRIPTION
-----------
endif::manvolnum[]
-
ifndef::manvolnum[]
High Availability
=================
include::attributes.txt[]
+:pve-toplevel:
endif::manvolnum[]
-
Our modern society depends heavily on information provided by
computers over the network. Mobile devices amplified that dependency,
because people can access the network any time from anywhere. If you
* optional hardware fencing devices
+[[ha_manager_resources]]
Resources
---------
a watchdog reset.
+[[ha_manager_fencing]]
Fencing
-------
unresponsive node and as a result a chain reaction of node failures in the
cluster.
+[[ha_manager_groups]]
Groups
------
* *after* you fixed all errors you may enable the service again
+[[ha_manager_service_operations]]
Service Operations
------------------