I did set up POC for Nagios Core on CentOS 7 using drbd+pagemaker for LAN and WAN H.A.
for LAN HA, ie, fail-over Nagios monitoring service with-in same Data Center is doable. ocf-agent script for pacemaker was written already. https://github.com/ClusterLabs/resource-agents/blob/c36b1e8431e576f3428788b3e645fb53ff75c1fa/heartbeat/nagios But in the end I did not use it since my Nagios core is in vmware farm as a VM which use vcenter's HA to provide hardware level fail-over. for WAN HA(fail-over Nagios service over WAN) , I ran into drbd bandwidth issue (10ms ping time) which require proprietary drbd-proxy solution but I didn't pursue further. On Thu, Jan 24, 2019 at 11:48 AM Devin Vance <[email protected]> wrote: > On 1/15/19 5:16 AM, Kaushal Shriyan wrote: > > > > On Thu, Dec 27, 2018 at 10:49 PM Kaushal Shriyan > > <[email protected] <mailto:[email protected]>> wrote: > > > > Hi, > > > > I will appreciate if anyone has done hot/cold setups with DRBD for > > Nagios > > Core( > https://www.nagios.org/downloads/nagios-core/thanks/?skip=1&product_download=nagioscore-source > ) > > as part of high availability feature. For example if the primary > > node goes down then the secondary node takes care of the Monitoring > > and alert notifications > > > > It has been a year or so since I've done it, but yes it is doable. > > A colleague of mine wrote a guide regarding it. This guide is for the > licensed "XI" version, but the instructions should still apply to the > "Core" version. You can find it here: https://downloads.linbit.com/ > (titled HA Nagios XI v5 Cluster on RHEL7) > > Personally, I prefer to just run the Nagios system in a VM and make that > VM managed by a Pacemaker cluster for HA. > > Best, > Devin > _______________________________________________ > drbd-user mailing list > [email protected] > http://lists.linbit.com/mailman/listinfo/drbd-user > -- T.J. Yang
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