Nagios Support Forum

I have an older Nagios XI install using the VM image which is now upgraded to 2011R1.8. However many of the packages on the VM are out of date, specifically PHP. For the past several days I've been trying to get an up to date PHP version installed and only succeeded in breaking things.

I've downloaded the newest VM image, which I notice is based on Centos 6 and has PHP 5.3 already installed. I backed up the existing VM and restored it to the new one, but all of the checks fail on the new VM. I need to make sure the transition between instances is seamless and that we don't trigger a large amount of false alerts due to failed checks.

Is there a document describing the best process for migrating from one Nagios XI install to another?

Unfortunately we don't have a document on that aspect in particular, the closest thing we have is a doc on high availability, which describes the concepts involved with 2 mirrored servers.
http://assets.nagios.com/downloads/nagi ... ptions.pdf

My guess is that the reason a lot of the checks failed was because of agents and the "allowed hosts" config is set to the original Nagios XI IP address.

It would be worth noting that your license covers a test install, a production install, and a disaster recovery install. I would suggest running the new image alongside the first until it's fully ready for the migration.

Great, thanks. I wasn't aware I could have a "failover" server running under the same license.