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ha-manager.adoc: fix section hardware watchdog

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information was simply wrong.
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Dietmar Maurer 2016-11-21 10:43:03 +01:00
parent 61972f5533
commit a472fde8cd
1 changed files with 15 additions and 5 deletions
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@ -554,13 +554,23 @@ configured, we fall back to the Linux Kernel 'softdog'. While still
reliable, it is not independent of the servers hardware, and thus has
a lower reliability than a hardware watchdog.
Configure Hardware Watchdog
~~~~~~~~~~~~~~~~~~~~~~~~~~~
By default all watchdog modules are blocked for security reasons as they are
like a loaded gun if not correctly initialized.
If you have a hardware watchdog available remove its kernel module from the
blacklist, load it with insmod and restart the `watchdog-mux` service or reboot
the node.
By default, all hardware watchdog modules are blocked for security
reasons. They are like a loaded gun if not correctly initialized. To
enable a hardware watchdog, you need to specify the module to load in
'/etc/default/pve-ha-manager', for example:
----
# select watchdog module (default is softdog)
WATCHDOG_MODULE=iTCO_wdt
----
This configuration is read by the 'watchdog-mux' service, which load
the specified module at startup.
Recover Fenced Services
~~~~~~~~~~~~~~~~~~~~~~~