DNS and clusters

[Danny Mayer]

Compaq/VMS has people working on DNS.  Have you asked them?

         Danny
At 04:30 AM 2/12/02, Paul Porcelli wrote:

>We have a mixed environment with Unix, Vax and PC's.
>We have a vax cluster (ourvaxcl) consisting of two
>cluster nodes (ourvax1 and ourvax2). We need some thin
>clients to resolve the hostname ourvaxcl to either of
>the two nodes. i.e. whichever one responds first.
>
>This works on one of the DNS servers running an old version
>of BIND, but not on the DNS servers running the newer verions
>of BIND.
>
>We have three secondary DNS servers here.
>Note the different OS and BIND versions
>
>Server 1
>Sol 5.5 - Bind 4.9.3-P1
>
>Server 2
>Sol 5.7 - Bind 9.1.3rc1
>
>Server 3
>Sol 5.7  - Bind 9.1.3rc1
>
>
>Server 1 has the following entries in its DNS hosts file
>
>ourvaxcl          IN      NS      ourvax1.foo.com.
>                   IN      NS      ourvax2.foo.com.
>ourvax1           IN      A       999.999.999.33
>ourvax2           IN      A       999.999.999.32
>
>
>When I do an nslookup on Server1 of ourvaxcl I get the following
>response:
>
># nslookup ourvaxcl
>Server:  server1.foo.com
>
>Name:    OURVAX.FOO.COM
>Addresses:  999.999.999.33, 999.999.999.32
>
>
>=============================
>
>Servers 2 and 3 have the following entries ithe their DNS hosts files.
>
>ourvax1                   A       999.999.999.33
>ourvax2                   A       999.999.999.32
>ourvaxcl                  NS      ourvax1
>                           NS      ourvax2
>
>When I do an nslookup on Server2 or Server3, for ourvaxcl I get the
>following
>response:
>
># nslookup ourvaxcl
>Server:  server2
>
>*** server2.foo.com can't find ourvaxcl: Server failed
>
>
>I realise that the hosts tables are in slightly different formats. Is
>this causing the discrepancy ?
>They are all using the same PRIMARY DNS server.
>
>We really need servers 2 and 3 to be able to resolve ukvxcl as they
>are
>used by some thin-clients for DNS when server1 is not available.
>
>Does anyone have an idea how to implement this in the newer version of
>BIND.
>
>Thanks in advance.
>==
>Paul Porcelli