Hi,
I have built a similar solution with only one difference: I am using
HEARTBEAT instead of ucarp. In heartbeat it is possible moving
"haresources" from one active host to another. So, I activate MONIT (and
mysql + kamailio) only when the resources (e.g. virtual IP address) are
switched from one host to the other.
A sample config of heartbeat looks like:
[...]
Srv1 drbddisk::dbdata \
Filesystem::/dev/drbd0::/mnt/drbdfiles::ext3 \
10.0.0.1 mysql kamailio start-monit
[...]
Maybe you can use a pendant to these 'resources' in ucarp, too. I do not
know any details.
regard,
Klaus
> Hello,
> I am setting up a high-availablilty kamailio system using UCARP to
> failover between active and standby instances. To detect failure, we
> intend to use Monit.
> Monit can monitor the kamailio PID and start the process when needed
> (Example on the wiki
> http://www.kamailio.org/dokuwiki/doku.php/install:configure-initd-script)
> and it can also do OPTIONS pings to verify it is working. If the pings
> fail we will initiate a ucarp swap.
>
> However if the server is currently in standby, it does not have the V-IP
> address, so I don't want to run the OPTIONS pings (I think).
>
> Does anyone use a similar system and can provide an example of how
> ucarp, monit and kamailio can work together?
>
> Many thanks,
>
> Hugh Waite
>
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