[EMAIL PROTECTED] wrote:
Hi,
I have a slave PowerDNS server which uses a pipe and gmysql backend.
Two of the zones on the master have out of zone-data that PowerDNS
(rightfully) does not like. Whenever PowerDNS tries to AXFR those
domains, it also launches a co-process, which then hangs.
I tried this with the sample perl script here:
http://doc.powerdns.com/backends-detail.html#PIPEBACKEND to make sure
it wasn't my co-process.
My syslog looks like this:
Oct 29 15:47:32 c1ns2 pdns[16140]: 2 slave domains need checking
Oct 29 15:47:32 c1ns2 pdns[16140]: Domain xxx is stale, master serial
46, our serial 0
Oct 29 15:47:32 c1ns2 pdns[16140]: Domain yyy is stale, master serial
128, our serial 0
Oct 29 15:47:32 c1ns2 pdns[16140]: Backend launched with banner:
OK#011Sample backend firing up
Oct 29 15:47:32 c1ns2 pdns[16140]: gmysql Connection succesful
Oct 29 15:47:32 c1ns2 pdns[16140]: AXFR started for 'xxx', transaction
started
Oct 29 15:47:32 c1ns2 pdns[16140]: Remote 10.9.10.1 sneaked in
out-of-zone data 'ns1.example.com' during AXFR of zone 'xxx'
Oct 29 15:47:32 c1ns2 pdns[16140]: Backend launched with banner:
OK#011Sample backend firing up
Oct 29 15:47:32 c1ns2 pdns[16140]: gmysql Connection succesful
Oct 29 15:47:32 c1ns2 pdns[16140]: AXFR started for 'yyy', transaction
started
Oct 29 15:47:32 c1ns2 pdns[16140]: Remote 10.9.10.1 sneaked in
out-of-zone data 'ns1.example.com' during AXFR of zone 'yyy'
After that I have two defunct co-processes that I need to restart
PowerDNS to get rid of. Eventually it will run out of file descriptors
and give another error.
Obviously I should fix my zones, but this is bad behavior of PowerDNS
as well.
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If anyone else runs into this, I found the bug is fixed in the
pipebackend SVN revision 1064
<http://wiki.powerdns.com/cgi-bin/trac.fcgi/changeset/1064>.
Maybe also notable, the slave functionality in current SVN handles AXFR
out-of-zone data differently, ignoring bad records instead of skipping
the whole zone.
For now I'll use the SVN pipebackend and eagerly wait for the next
official PowerDNS release :>
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