There are tools which do this, such as F5's GTM or Cisco's GSS;
essentially, you have multiple servers in a pool/answer group, and
during normal operations, they are handed out in either RR or WRR. If
one server fails his health-check, he is taken out of the mix. I
believe under the covers, it is e
In message <4e307a5c.9070...@library.ucla.edu>, Gloria Rom writes:
> On 07/26/11 07:23, Paul Reilly wrote:
> > Is there a simple utility, which can ICMP ping or HTTP ping a host, and
> > update the hosts DNS entry if the host is down?
Ping + nsupdate can do this. Note if you applications are pro
On 07/26/11 07:23, Paul Reilly wrote:
Is there a simple utility, which can ICMP ping or HTTP ping a host, and
update the hosts DNS entry if the host is down?
Will a significant number of your users have locally cached the
out-of-date entry?
--
Gloria Rom
UCLA Library Information Technology
g
I did the same stuff using a script.
When the host is down, run "dynamic update" to modify the records.
Some BIND based GSLB such as F5 BIG-IP GTM has this feature.
Regards.
On Tue, Jul 26, 2011 at 10:23 PM, Paul Reilly wrote:
> Is there a simple utility, which can ICMP ping or HTTP ping a host,
Is there a simple utility, which can ICMP ping or HTTP ping a host, and
update the hosts DNS entry if the host is down?
I'm thinking I could have 2 include files, and swap between then if the host
is down or not.
Any pointers ?
Paul
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