[Pdns-users] problems with superslave pdns
Anton - Valqk
lists at lozenetz.org
Mon Feb 18 22:28:25 UTC 2008
Eudene, maybe you have never heard of postgresql so you say it less tested.
rolf, this made my day :)
it's much more advanced database that 'text' mysql db. :) anywayz,
you misunderstood me,
the idea of my slave is to use the built in pdns functionallity,
not a db sync because the ns1 is a SLAVE vm machine, with ONLY 4
packages sqlite, pdns, iconv, gettext...
the whole idea is to use VERY simple backend there, because I must fit
in as low mem as I can.
so I can't affort to run a pg/my SQL server there.
I've tested pdns with both pgsql and mysql and it works like a chardm,
but I've never tested the supermaster feature, so I don't know how to debug,
no strange msgs in log when loglevel=14 ... just queries...
no idea how to solve the problem yet... please... anyone?
Eugene Pefti wrote:
> Hi Anton,
> PDNS forum seems to be not very active whenever one asks for help. Moreover there's a tendency to criticize people's questions not directly related to pdns such as the front-end to it.
> Getting back to your question I can share my setup but it is not exactly like yours. I have MySQL backend and two servers configured to be master and slave. Having setup MySQL Master-to-Slave replication I have all changes introduced to the master via pdnsadmin replicate immediately to the slave, namely its database.
> I don't think the replication between pgsql differs in terms of setup. I don't have much of experience with Postgresql so my suggestion is to switch to MySQL as it is more tested and often used. By the way I didn't have any problems with MySQL replication for two boxes located far from each other.
> -----Original Message-----
> From: pdns-users-bounces at mailman.powerdns.com [mailto:pdns-users-bounces at mailman.powerdns.com] On Behalf Of Anton - Valqk
> Sent: Monday, February 18, 2008 8:18 AM
> To: Pdns-users at mailman.powerdns.com
> Subject: [Pdns-users] problems with superslave pdns
> Hi there group,
> I've setuped a superslave pdns server that should fetch automatically
> the newly added domains but nohting happens.
> my master is 126.96.36.199 and the slave dns is ns1.hostit.bg.
> I have this record for supermaster:
> sqlite> select * from supermasters;
> I've added a new domain into the master but it never showed up in the
> logs or in the sqlite db.
> how can I debug why this happens?
> there is another problem,..
> I've inserted all the domains that were in the master pdns in the
> records table, when I've first started the pdns it refreshed all the
> but after that from time to time I get:
> Feb 18 16:07:33 ns1 pdns: Domain interiorcity.net is fresh
> Feb 18 16:07:35 ns1 pdns: Error trying to retrieve/refresh
> 'voigt-bg.com': Timeout waiting for answer from 188.8.131.52
> Feb 18 16:07:35 ns1 pdns: Domain arthotel-sbh.com is fresh
> Feb 18 16:07:35 ns1 pdns: Domain virtualboss.org is fresh
> Feb 18 16:07:36 ns1 pdns: Error trying to retrieve/refresh
> 'radioyouth.eu': Timeout waiting for answer from 184.108.40.206
> Feb 18 16:07:36 ns1 pdns: Domain samsungwimax.com is fresh
> Feb 18 16:07:36 ns1 pdns: Domain bfc-bg.org is fresh
> Feb 18 16:07:36 ns1 pdns: Domain das.bg is fresh
> Feb 18 16:07:38 ns1 pdns: Error trying to retrieve/refresh
> 'satelit-s.com': Timeout waiting for answer from 220.127.116.11
> Feb 18 16:07:39 ns1 pdns: Error trying to retrieve/refresh
> 'globalestates.eu': Timeout waiting for answer from 18.104.22.168
> Feb 18 16:07:39 ns1 pdns: Domain profilexchange.org is fresh
> Feb 18 16:07:39 ns1 pdns: Domain 101dalmatinci.com is fresh
> I'm running powerdns-2.9.21 on both places, the os is freebsd.
> on the master side it's using pgsql backend on the slave it's psql
> because the conectivity between the machines is not so good so I can
> setup pgsql replication,
> and the second machine is a vm with 1 purpose - slave dns.
> thanks in advance for the advices/ideas.
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