melnik13 opened a new issue #2657: KVM hosts are being reset by a script URL: https://github.com/apache/cloudstack/issues/2657 <!-- Verify first that your issue/request is not already reported on GitHub. Also test if the latest release and master branch are affected too. Always add information AFTER of these HTML comments, but no need to delete the comments. --> ##### ISSUE TYPE <!-- Pick one below and delete the rest --> * Bug Report ##### COMPONENT NAME <!-- Categorize the issue, e.g. API, VR, VPN, UI, etc. --> This issue is related to KVM hosts. As far as I can see, XEN hosts are affected too. ~~~ ~~~ ##### CLOUDSTACK VERSION <!-- New line separated list of affected versions, commit ID for issues on master branch. --> All 4.x and 2.x versions seem to be affected. ~~~ ~~~ ##### CONFIGURATION <!-- Information about the configuration if relevant, e.g. basic network, advanced networking, etc. N/A otherwise --> ##### OS / ENVIRONMENT <!-- Information about the environment if relevant, N/A otherwise --> ##### SUMMARY <!-- Explain the problem/feature briefly --> KVM hosts are being rebooted by `kvmheartbeat.sh` when the NFS-server that is being used as a primary storage becomes unreachable. I'd like to propose change behavior of `kvmheartbeat.sh`, as it's not necessary to reboot a whole host when only one of VMs is having difficulties while other VMs are working fine with other storages. ##### STEPS TO REPRODUCE <!-- For bugs, show exactly how to reproduce the problem, using a minimal test-case. Use Screenshots if accurate. For new features, show how the feature would be used. --> It's easy to reproduce: just deploy a VM with a volume on an NFS-based storage, break NFS and wait. <!-- Paste example playbooks or commands between quotes below --> ~~~ ~~~ <!-- You can also paste gist.github.com links for larger files --> ##### EXPECTED RESULTS <!-- What did you expect to happen when running the steps above? --> The KVM host will be reset. ~~~ ~~~ ##### ACTUAL RESULTS <!-- What actually happened? --> The `kvmscript.sh` will reboot the server. <!-- Paste verbatim command output between quotes below --> ~~~ ~~~
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