Hi,
I'm using unbound 1.4.6 on 40ish machines, and for the most part it
works fantastically. On one my machines however it seems to randomly
stop responding. I'm not convinced the fault here lies with unbound, but
as far as I can tell it's the only thing that seems to fail (which
triggers everything else since they can no longer resolve anything).
When this issue happens, I can't communicate with unbound via
unbound-control and it will never resolve anything. I can cleanly shut
it down and start a new instance and it will behave exactly the same.
The only solution I've found is to restart the VPS. I have another VPS
from the same provider which is setup almost identically and it has
never had this issue.
I've got debug logging on and the log file has dozens of requests per
minute up until the issue occurred, then nothing until it received
SIGTERM and shut down. The next time this happens (could be
hours/days/weeks) is there anything else I can check that would explain
why it does not appear to be even receiving the lookup requests?
Thanks,
--Will
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