Several years ago I used a Perl script called "lbnamed" that monitored status and returned the host IP address that was least loaded.
Mike Mitchell -------- Original message -------- From: Steven Carr <sjc...@gmail.com> Date: 08/21/2013 10:25 PM (GMT-08:00) To: bind-users <bind-users@lists.isc.org> Subject: Re: ISO or virtual appliance On 22 August 2013 05:39, Manish Rane <manish...@gmail.com> wrote: > So, DNS will monitor the host on port 80 and as soon as it detects that > either of the host/link is down it would remove the associated entry and > re-populate the entries > > Is any one aware of such solution readily available? I believe I already > posted similar question but havent heard much positive things. The only open source "appliance" I'm aware of is http://www.zenloadbalancer.org but AFAIK that doesn't update DNS, it proxies the traffic on a virtual IP address to balance/provide HA. The easiest method if you want to do it by DNS is a simple script that is cron'd to run every X minutes and either use `nsupdate` to push updates to the records or sed/awk to rename records and then reload zone files. Not sure what you are struggling with, this is something that can be knocked together in a matter of minutes by any scripter/programmer. If you have a monitoring system like Nagios you could use the various hooks it provides to run scripts when something happens/changes state rather than writing your own custom monitoring piece. Steve _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
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