Running a shell script on becoming the CARP master?
David S. Madole
david at madole.net
Sat Nov 26 16:15:55 GMT 2005
From: "Matthew Hagerty" <matthew at digitalstratum.com>
>
> Are there any hooks into CARP to run a shell script when a machine
> becomes the master? Also, is there a way to force a machine to become
> the master without powering off the current master (for example to do
> maintenance on the current master)?
I don't know of any way to do the former, but for the latter it's easy
enough to temporarily adjust the advbase setting higher on the master
until failover occurs. Set it to at least three times the setting on the
slave.
Or simply ifconfig down the carp interface on the master.
David
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