Re: [HTCondor-users] Condor Pool without DNS

[Dario Berzano <dario.berzano@xxxxxxx>]

Hello all,

  we had exactly the same problem and we have successfully solved it by combining three configuration options.

  NO_DNS = True

is one of those, but we needed to set also

  NETWORK_INTERFACE = <CurrentIpAddress>

in order to work around this[1] bug. In addition we are using

  DEFAULT_DOMAIN_NAME = any-name-you-want

to assign a "dummy" domain name to our nodes. Any name will fit: since NO_DNS is active, no reverse lookup will ever be performed to validate it.

Please also note that we had to set all of the above configuration options in the *top-level* configuration file read by HTCondor - i.e., /etc/condor/condor_config, and *not* /etc/condor/condor_config.local, as described in comments inside the example configuration file.

Hope this helps.

[1] https://htcondor-wiki.cs.wisc.edu/index.cgi/tktview?tn=2691,3

Cheers

--

Dario Berzano

about.me/dario.berzano

On Fri, Jun 27, 2014 at 10:18 PM, Steven C Timm <timm@xxxxxxxx> wrote:

There is a flag called NO_DNS you can set in your
condor config file. If true it is not supposed to look at the DNS.

I have never tried it myself.

Steve Timm

---

From: HTCondor-users [htcondor-users-bounces@xxxxxxxxxxx] on behalf of Ken S [cruxmissive@xxxxxxxxx]
Sent: Friday, June 27, 2014 3:11 PM
To: htcondor-users@xxxxxxxxxxx
Subject: [HTCondor-users] Condor Pool without DNS

I've been unsuccessfully trying to configure a htCondor pool on network interfaces without  host-name bindings. Our system uses a VPN and we do not have a simple way to configure DNS, hence we'd like to use IPv4 addresses only. Can anyone say if this is possible and if so, where I might find documentation for the process?

Thanks.

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