On Mon, 30 Sep 2013, David Lang wrote:
On Mon, 30 Sep 2013, Michael Schwartzkopff wrote:
Am Montag, 30. September 2013, 21:12:56 schrieb Peter Romfeld:
I am working in AWS i cant just use a VIP i need to use a floating
secondary IP which i reassign through script, i want to let pacemaker
handle the reassignment...
Please explain the difference of a VIP and a "secondary IP" in your
opinion.
with AWS you need to inform amazon of the change, not just change the IP on
the local box, that requires much more work than a simple local VIP
being more detailed, instead of just
ifconfig eth0:0 $vip
you have to do something like
/opt/aws/bin/ec2-assign-private-ip-addresses -n $ENI_ID
--secondary-private-ip-address $VIP --allow-reassignment --region $REGION
pingresult=`ping -c 1 -W 1 $VIP | grep time= | wc -l`
if [ "$pingresult" == "0" ]; then
echo `date` "-- Restarting network"
/sbin/service network restart > /dev/null 2>&1
fi
this is horribly slow by comparison to VIP takover on normal local systems, but
it can still be far faster than killing a system and spinning up a replacement.
David Lang
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Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
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_______________________________________________
Pacemaker mailing list: Pacemaker@oss.clusterlabs.org
http://oss.clusterlabs.org/mailman/listinfo/pacemaker
Project Home: http://www.clusterlabs.org
Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
Bugs: http://bugs.clusterlabs.org
