Too many open files

[chad kellerman]

Cricket,

     Actually, our network/software was originally set up by default to listen 
on all of them.  I guess that has got to change..

Thansk for the reply.

Chad

On Friday 21 February 2003 04:11 pm, Cricket Liu wrote:
> On Friday, February 21, 2003, at 01:22  PM, chad kellerman wrote:
> >      I have a strange problem.  I have a combination web server /name
> > server
> > that I upgrade from a RedHat 6.2 server running a 2.2.19 Kernel with
> > Bind
> > 8.2.3 to a RedHat 7.3 server running a 2.4.19 Kernel with Bind 8.3.3.
> >
> >      The ulimits match.  I have approximately 500 ips bound to the
> > server.
> > Running 6.2 the name server ran like a champ.
> >
> >   But now When I start the name server after about the 494 listening
> > on [ip
> > address] in named.log I get:
> >
> > 21-Feb-2003 14:08:13.349 default: notice: fcntl(fd, F_DUPFD, 20): Too
> > many
> > open files
> > 21-Feb-2003 14:08:13.349 default: error: socket(SOCK_DGRAM): Too many
> > open
> > files
> > 21-Feb-2003 14:08:13.349 default: notice: deleting interface
> > [$ipaddr].53
> > 21-Feb-2003 14:08:13.349 default: notice: fcntl(fd, F_DUPFD, 20): Too
> > many
> > open files
> > 21-Feb-2003 14:08:13.349 default: error: socket(SOCK_DGRAM): Too many
> > open
> > files
> >
> > The only way to stop this is to put the listening on directive in
> > named.conf.
> >
> > I did not have to do this with an older version of the Kernel, Bind,
> > and
> > RedHat.  So why is this happening now.
> >
> > I have raised all of the ulimits to higher numbers even increase
> > /proc/sys/fs/file-max
> >
> > but still the errors happen.
> >
> > Can anyone point me in the right direction to fix this issue?
>
> You've got the right fix:  Use the listen-on options substatement to
> tell the
> name server not to bother listening on all the IP address aliases on the
> box.  You don't need it to listen on all those addresses, do you?
>
> cricket
>
> The DNS and BIND Cookbook, now available!
> http://www.oreilly.com/catalog/dnsbindckbk/