os/doc
3
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

CARP preemption explanation is misleading

Browse source 
PR:		208681
Submitted by:	philipp AT copythat de
Approved by:	bcr (mentor)
Differential Revision:	https://reviews.freebsd.org/D15519
This commit is contained in:
Sevan Janiyan 2018-05-22 14:33:42 +00:00
parent 29f832e777
commit 5a59705ca0
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=51703
1 changed files with 8 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml
View file

@ -5105,13 +5105,15 @@ ifconfig_<replaceable>em0</replaceable>_alias1="inet vhid <replaceable>2</replac
the master becomes available again.</para>
<note>
<para>Preemption is disabled by default. If preemption has
been enabled, <systemitem>hostc.example.org</systemitem>
might not release the virtual <acronym>IP</acronym> address
back to the original master server. The administrator
<para>If the original master server becomes available again,
<systemitem>hostc.example.org</systemitem> will not release
the virtual <acronym>IP</acronym> address back to it
automatically. For this to happen, preemption has to be
enabled. The feature is disabled by default,
it is controlled via the &man.sysctl.8; variable
<varname>net.inet.carp.preempt</varname>. The administrator
can force the backup server to return the
<acronym>IP</acronym> address to the master with the
command:</para>
<acronym>IP</acronym> address to the master:</para>
<screen>&prompt.root; <userinput>ifconfig em0 vhid 1 state backup</userinput></screen>
</note>