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backuppc "no ping response" when ping works fine

Posted by crox on
It took me some time to figure this out, maybe it can be useful to someone else...

I kept getting "no ping" error for unknown reasons. It turned out that I had enabled DumpPreUserCmd and UserCmdCheckStatus for that specific host to check for an encrypted partition being mounted.

Due to some changes on the host after an upgrade, the script triggered by DumpPreUserCmd was returning an error... And for some reason this showed as a ping error in the web interface.

I eventually figured it out by checking the last lines of the LOG.** file in the pc/[host] directory, which looked like this:
2018-05-08 19:15:45 Output from DumpPreUserCmd: /[partition] is not mounted
2018-05-08 19:15:45 DumpPreUserCmd returned error status 256... exiting

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