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When an RS is set down in this manner, does ldirectord tell LVS to stop
redirecting new connections but keep forwarding packets on existing
connections? Or does it just immediately cut off all communication with
the RS, which would have the effect of freezing connections for users
that are already on the RS?
--
Eric Robinson
Director of Information Technology
Physician Select Management, LLC
775.885.2211 x 111
-----Original Message-----
From: lvs-users-bounces@xxxxxxxxxxxxxxxxxxxxxx
[mailto:lvs-users-bounces@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of Sean
Millichamp
Sent: Thursday, May 14, 2009 2:36 PM
To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Cc: Simon Horman
Subject: [lvs-users] ldirectord feature patch - add abilility to signal
system maintenance
Patch 4/4
This patch adds the ability to notify ldirectord that a system should be
forced down for maintenance (or other reasons) even though the service
check passes.
This patch introduces a new option "maintenancedir" which allows the
administrator to specify a directory in which ldirectord will check for
the existence of files indicating if the realserver should be forcibly
set down (irrespective of and bypassing the normal service check).
If a site is using a management tool such as cfengine or Puppet that
watches and manages the ldirectord configuration file it may not be
possible or practical to modify the configuration file to remove a
realserver or weight it to 0 during maintenance. This mechanism
provides a quick and simple way to signal ldirectord that a real server
should be set down without having to modify any configuration files.
Thanks,
Sean
Disclaimer - May 15, 2009
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