Re: restart named; missing TCP socket
On Wed, Dec 12, 2012 at 6:04 AM, Tony Finch wrote:
> Mark Andrews wrote:
>>
>> You need to wait for named to stop
>>
>> p=`rndc stop -p | awk '{print $2}'`
>> while kill -0 $p
>> do
>> sleep 1
>> done
>> /etc/rc.d/rc.named start
This looks like FreeBSD. If so, just use 'service named restart' for
newer versions of FreeBSD. If the service command is not available,
you can use '/etc/rc.d/named restart'. It wil properly stop named and
then restart it.
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E-mail: kob6...@gmail.com
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Re: restart named; missing TCP socket
Mark Andrews wrote:
>
> You need to wait for named to stop
>
> p=`rndc stop -p | awk '{print $2}'`
> while kill -0 $p
> do
> sleep 1
> done
> /etc/rc.d/rc.named start
Thanks.
Tony.
--
f.anthony.n.finchhttp://dotat.at/
Forties, Cromarty: East, veering southeast, 4 or 5, occasionally 6 at first.
Rough, becoming slight or moderate. Showers, rain at first. Moderate or good,
occasionally poor at first.
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Re: restart named; missing TCP socket
In message , Tony F
inch writes:
> I have had a few instances recently when named has failed to re-open its
> TCP listening socket after a restart. This is particularly likely if I
> try to bounce it quickly with a command line like
>
> # rndc stop; /etc/rc.d/rc.named start
You need to wait for named to stop
p=`rndc stop -p | awk '{print $2}'`
while kill -0 $p
do
sleep 1
done
/etc/rc.d/rc.named start
> The servers in question are recursive (apart from a few local zones) with
> simple ACLs. (I have had the same problem on servers with less simple
> ACLs too.)
>
> listen-on-v6 { ::1; };
> listen-on { 127.0.0.1; };
> allow-query{ localhost; };
> allow-transfer { localhost; };
>
> What do others do to avoid this problem?
>
> Tony.
> --
> f.anthony.n.finchhttp://dotat.at/
> Forties, Cromarty: East, veering southeast, 4 or 5, occasionally 6 at first.
> Rough, becoming slight or moderate. Showers, rain at first. Moderate or good,
> occasionally poor at first.
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PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org
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RE: restart named; missing TCP socket
Why use rndc to stop then the init script to start? Is there no
/etc/rc.d/rc.named restart? On RHEL5 the init script has a restart option so
it will stop then start.
If a socket is open then it could take a finite amount of time for it to close
making it unavailable on the restart if you haven't given it time enough to
cleanup.
If no restart option in init maybe try to add a sleep to your command line:
Rndc stop;sleep 5;/etc/rc.d/rc.named start
-Original Message-
From: bind-users-bounces+jlightner=water@lists.isc.org
[mailto:bind-users-bounces+jlightner=water@lists.isc.org] On Behalf Of Tony
Finch
Sent: Wednesday, December 12, 2012 8:20 AM
To: bind-users@lists.isc.org
Subject: restart named; missing TCP socket
I have had a few instances recently when named has failed to re-open its TCP
listening socket after a restart. This is particularly likely if I try to
bounce it quickly with a command line like
# rndc stop; /etc/rc.d/rc.named start
The servers in question are recursive (apart from a few local zones) with
simple ACLs. (I have had the same problem on servers with less simple ACLs too.)
listen-on-v6 { ::1; };
listen-on { 127.0.0.1; };
allow-query{ localhost; };
allow-transfer { localhost; };
What do others do to avoid this problem?
Tony.
--
f.anthony.n.finchhttp://dotat.at/ Forties, Cromarty: East,
veering southeast, 4 or 5, occasionally 6 at first.
Rough, becoming slight or moderate. Showers, rain at first. Moderate or good,
occasionally poor at first.
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