[Pdns-users] Recursor backend timeout
bert.hubert at netherlabs.nl
Sat Jan 14 17:26:46 UTC 2006
On Fri, Jan 13, 2006 at 10:15:56AM -0000, Olly Butterfield wrote:
> nameserver on one IP and bind running on another IP to act as a recursive
> backend for pdns. Bind has been set up to provide recursion only, and all
> queries come into pdns. This worked fine for months, but recently there are
> periods of an hour or an hour and a half, starting at a fixed time like 12am
> or 4am where pdns reports that the backend times out.
This is very most likely not a powerdns problem. Bind has the habit of not
answering questions if it can't find an answer.
> And from then on, we get a mixture of the two until it decides to start
> working again. Nothing in the bind logging shows anything untoward, so it
> looks like for some reason pdns just can't be bothered to forward it to
Are you sure things don't work when you get these messages? Almost everybody
gets these warning every once in a while but they generally don't mean
Try tcpdumping to be sure if questions get forwarded.
http://www.PowerDNS.com Open source, database driven DNS Software
http://netherlabs.nl Open and Closed source services
More information about the Pdns-users