08-03-2010
Boot Ip is not part of the resource group. Application uses Java RMI and picks up the first address.
Since BootIp is routable in this case, application has no problem to connect to the external resources over this IP.
In case of failover, I believe application will still be fine , as it will pick up boot ip of the failover node (local node) in that case.
I am not sure about what will be happen if the application send a large data over this IP . Will this cause heart beat skips . ?
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LEARN ABOUT DEBIAN
hb_takeover
HB_TAKEOVER(1) General commands HB_TAKEOVER(1)
NAME
hb_takeover - issues a failover request to the cluster manager
SYNOPSIS
hb_takeover [all|foreign|local|failback]
DESCRIPTION
Warning
This command is deprecated. It is only suitable for legacy Heartbeat clusters without Pacemaker enabled. In Pacemaker-enabled clusters,
the crm(8) shell supports switching individual nodes into standby mode, and replaces hb_takeover.
/usr/share/heartbeat/hb_takeover issues a request to the cluster to move resources to the node where it is invoked, from the other node.
Issuing hb_takeover on the current node is equivalent to performing hb_standby on the other node.
CAVEATS
hb_takeover is only usable in R1-style configurations (i.e., those configured using the haresources file).
SEE ALSO
hb_standby(1), heartbeat(8), cl_status(1)
AUTHORS
Alan Robertson <alanr@unix.sh>
hb_takeover
Guochun Shi <gshi@ncsa.uiuc.edu>
man page
Florian Haas <florian.haas@linbit.com>
man page
Heartbeat 3.0.5 November 26, 2009 HB_TAKEOVER(1)