[lvs-users] Keepalived notification when backup server unavailable

[Periklis Akritidis]

  Dear all,

I am using keepalived to run a script on each router when the state 
changes between master or backup.
What I am missing is a way to get the master notified when there is a 
failure of a backup machine.
In particular, can keepalived run a script on the master when there are 
no backup servers available,
and conversely notify the master if a backup comes back... up?

The purpose is to take action when no backups are available.

Cheers