On 03/20/2014 07:37 AM, Mark Haney wrote:
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On 03/20/14 09:26, CS_DBA wrote:
A tool to manage the creation, assignment, shutdown, movement, etc
of VIP's (or I.P. alliases)
On 03/20/2014 05:31 AM, Patrick O'Callaghan wrote:
On Wed, 2014-03-19 at 21:31 -0600, CS_DBA wrote:
Hi all;
Anyone have any suggestions per Virtual I.P. managers?
OK, I'll bite. What's a Virtual I.P. manager?
poc
Well, the next question should be: Why? Why would you need something
like that? What are you doing that requires that kind of setup that
DHCP wouldn't work better?
- --
Mark Haney
Network/Systems Administrator
Practichem
W: (919) 714-8428
Fedora release 20 (Heisenbug) 3.13.6-200.fc20.x86_64
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So we're looking at database failover, application connections to the db
are via I.P.'s (or aliases) we can of course use ifconfig and
create/destroy aliases and thus "move" the IP aliases at failover time,
however I would like to leverage a tool so the IP alias move can be both
seamless and executable via command(s) on a single server.
With ifconfig aliases we need to do the following in the failover script:
- execute the ifdown on the old / failed master server (probably via
commands over ssh)
- validate that the ip alias came down
- execute the ifup of the alias on the slave (going to be the new master
shortly)
- verify that it came up
- then finish the db failover
It would be keen if I could execute a single command like we do with
amazon elastic ip's or RackSpace virtual ip's...
Thoughts?
--
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