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<samba:parameter name="ctdb timeout"
context="G"
type="integer"
advanced="1"
xmlns:samba="http://www.samba.org/samba/DTD/samba-doc">
<description>
<para>This parameter specifies a timeout in seconds for the
connection between Samba and ctdb. It is only valid if you
have compiled Samba with clustering and if you have
set <parameter>clustering=yes</parameter>.
</para>
<para>When something in the cluster blocks, it can happen that
we wait indefinitely long for ctdb, just adding to the
blocking condition. In a well-running cluster this should
never happen, but there are too many components in a cluster
that might have hickups. Choosing the right balance for this
value is very tricky, because on a busy cluster long service
times to transfer something across the cluster might be
valid. Setting it too short will degrade the service your
cluster presents, setting it too long might make the cluster
itself not recover from something severely broken for too
long.
</para>
<para>
Be aware that if you set this parameter, this needs to be in
the file smb.conf, it is not really helpful to put this into
a registry configuration (typical on a cluster), because to
access the registry contact to ctdb is requred.
</para>
<para>Setting <parameter>ctdb timeout</parameter> to n makes
any process waiting longer than n seconds for a reply by the
cluster panic. Setting it to 0 (the default) makes Samba
block forever, which is the highly recommended default.
</para>
</description>
<value type="default">0</value>
</samba:parameter>
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