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Problem report
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Resolution: Fixed
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Major
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7.0.2, 7.2.0alpha1 (master)
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None
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Any OS/Zabbix server 7.0
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S24-W34/35, S24-W36/37
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3
Steps to reproduce:
- Start using Agent polling (passive checks) with DNS names as a host interface
- use some faulty dns settings (not working, not reachable, etc)
- fix DNS issues in resolv.conf
- check if DNS resolution started to work
- will not work until zabbix-server or zabbix-proxy restarted
Result:
Level 3 log will give:
27041:20240805:101152.822 Zabbix agent item "vfs.fs.size[/nisaba/micvna,used]" on host "x5backup" failed: first network error, wait for 15 seconds 27041:20240805:101152.831 Zabbix agent item "system.cpu.util[,interrupt]" on host "qc" failed: first network error, wait for 15 seconds 27041:20240805:101153.115 Zabbix agent item "system.cpu.util[,iowait]" on host "mic-dicom-router-mercure" failed: first network error, wait for 15 seconds 27041:20240805:101154.826 Zabbix agent item "system.cpu.util[,guest_nice]" on host "pluto" failed: first network error, wait for 15 seconds
Higher log level will give:
27041:20240809:131016.823 cannot resolve DNS name: nodename nor servname provided, or not known
Expected:
Automatic refresh/renew of the DNS settings, or at least an option to use runtime control, so DNS settings can be refreshed. Also should be documented, if no automatic solution is possible.
