Attachment 169161 Details for Bug 208681 – clarified proposal for the preemption note

clarified proposal for the preemption note

clarify-preemption.diff.txt (text/plain), 1.30 KB, created by Philipp Erbelding on 2016-04-10 19:25:23 UTC

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Creator: Philipp Erbelding

Created: 2016-04-10 19:25:23 UTC

Size: 1.30 KB

patch

obsolete

>Index: en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml
>===================================================================
>--- en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml	(revision 48553)
>+++ en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml	(working copy)
>@@ -5097,13 +5097,15 @@
> 	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>

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Attachments on bug 208681: 169161