[Linux-HA] Re: Linux-HA Digest, Vol 20, Issue 27

Stephane Poirey poirey at un.org
Thu Jul 14 23:17:46 MDT 2005

Hi Shantanu,
By design the DNS has a failover system implemented on the client side.

That's why we have primary DNS server and secondary DNS server.

May be you could stick to this : add virtual IP to each node (non 
migrating address I mean) and configure one as your primary server and the 
second as your secondary server.

Anyway, good luck and have a nice day.

> Date: Wed, 13 Jul 2005 11:13:11 -0700 (PDT)
> From: Shantanu Kumar <home_shantanu at yahoo.com>
> Subject: [Linux-HA] DNS problem with heartbeat !!!!!!!!!
> To: linux-ha at lists.linux-ha.org
> Message-ID: <20050713181311.58728.qmail at web52503.mail.yahoo.com>
> Content-Type: text/plain; charset=iso-8859-1
> Hello all!!!
> I have built a 2 node cluster which is acting as a
> gateway to internet for internal network.
> Each member of the cluster has a running DNS server
> for queries from internal network, hence whichever
> node is up that DNS server is used... Now the problem
> is that since internal network knows only the aliased
> Ip of the cluster . it can use only that to access the
> DNS server,,, ..
> It works fine .. but whenever aliased Ip change its
> node in the cluster due to a failover of one node ..
> the internal network is not able to access the DNS
> server & hence always gives the error " Bad HOstname
> "..
> I think the problem is since the host identification
> is changing whenver the IP of cluster shifts from one
> node to other. PLease help me in rectifying this
> problem!!!
> THanks
> Regards
> Shantanu
> LInux kernel 2.4.25 for cluster
> Hearbeat 1.2.3
> DRBD 0.7.11
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