Nagios Support Forum

Hello. As i expected, today NSCA hang again on same problem: [root@server ~]$ service nsca_uk status Redirecting to /bin/systemctl status nsca_uk.service ● nsca_uk.service - NSCA for de cluster Loaded: loaded (/etc/systemd/system/nsca_uk.service; enabled; vendor preset: disabled) Active: active (run...

Hello. Today i check situation and it seems, that problem should be in somewhere in NSCA server 2.9, when handling connections from NSCA client 2.9. After rising limit for opened files today situation looks: [root@server ~]$ service nsca_uk status Redirecting to /bin/systemctl status nsca_uk.service...

Hello. My apologize for delay, was on vacation. Is yes, setup a client with NSCA 2.9.2 and see if that server causes the issue to happen, then if so, check the client's log files to see if there are any errors there. As i expected, this NSCA thread fail. But strange is, not fail on connection proble...

Hello. Check the permissions of where the NSCA PID file is created. -rw-r--r-- 1 nagios nagios 5 apr 15 07:07 nsca_uk.pid I think, this warning we can ignore. This is only bounded to shuting down. When shutdown occured, this PID file is persistant, but when process is started, to this file is placed...

Hello. Thank you for advise. I attempt it, but no strange was logged. Apr 17 12:43:21 localhost nsca[26319]: Caught SIGTERM - shutting down... Apr 17 12:43:21 localhost systemd[1]: Stopping NSCA for uk cluster... Apr 17 12:43:21 localhost nsca[26319]: Cannot remove pidfile '/var/run/nsca_uk.pid' - c...

Hello. Can you post an example of how a typical client is setup? What commands and scripts is it running and how it is ran? We use collectd for collecting all for us interesting metrics. In collectd we use treshold plugin for metrics evaluation. If is watching metrics OK or worng, collectd sent to N...

Hello. I've been assuming that the nsca package has been 2.9.2 and not just 2.9, but please confirm it with: Yes, this is correct. We use default available package version. [operator@server ~]$ yum list | grep nsca nsca.x86_64 2.9.2-1.el7 @epel nsca-client.x86_64 2.9.2-1.el7 @epel Also, add the foll...

Hello. Unfortunately the data doesn't tell us much if the issue wasn't reproduced. Yes, i know. This is reason, why i ask for support and send statistics from production environment. In development environment i not spot any problems. It seems, that this problem occured, when more like ~25 servers s...

Hello. Added requested files to my GoogleDrive , have prefix dev_ . Server IP is 172.17.1.23 and clients IP is 172.17.1.161 (NSCA v2.7), 172.17.1.11 (NSCA v2.9). TCPDump is from server and client with v2.9. Each VM are CentOS7. In this setup i dont spot any opened CLOSE_WAIT connections. It seems, t...

Hello.

It is possible to create vagrant VM with identical environment for Nagios server and 2 aditional VM (one with NSCA client v2.7 and one with NSCA client v2.9). Next i can run suggested commands: on each VMs.

Do you mean this procedure?