Need suggestions on designing a distributed and failover Nagios
monitoring infrastructure for ~1500 Linux RHEL hosts spread across 2
datacenters and DMZ networks.
Reading through different archives, it appears DNX is the most
preferred method for distribution/cluster setup and having a secondary
Nagios server as a fail over option managed via Linux HA/DRBD.
What are some of the cons in following setup:
- Primary and secondary(failover) Nagios servers managed by Linux HA/
DRBD/cron etc. Have MySQL replication between them.
- Primary Nagios server performing active checks via N DNX worker
nodes in both datacenters.
- Primary Nagios server monitoring DMZ hosts via NRPE (Custom regular
expression for services).
Thanks
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