Re: Clustering - how can I.......

In article <DJSdnURAdpmxXbPVnZ2dnUVZ_jmdnZ2d@xxxxxxxxxxxxxxxx>, Gremlin
<not.here@xxxxxxx> writes:

I have 3 Vaxen clustered (alright, 2 alphas and a PersonalAlpha, but I
am still old fashioned enough to describe them as Vaxen). Their purpose
in life is to run WASD. I want the higher-availability of a cluster,
the ease of management of single UAF etc.....

So, the data source for the web server is an NFS file location stored on
a Windows (sigh) server using RAID5.

WHY?!?!?!?!?!

All is sweetness and light, single
redundant data source and higher-availability web servers. Now, how can
I get this connected to the internet and also get any inbound connection
to hit somehting like a cluster-alias-IP address?

Just set up the cluster-alias IP address and have the outside world use
that. If you are using some sort of NAT/PAT router, have it direct
incoming stuff (at least for your WWW port) to the cluster-alias
address.

All this is running behind a small router which can only direct port 80
traffic to a single IP address. In the "good old days", I could have
LAT running and use a cluster alias and a terminal would connect to
whichever cluster node was available. But how can I do this with TCP/IP
- or, can I do this with TCP/IP?

One and only one machine has the cluster-alias address at any given
time. It provides failover, not load-balancing.

I don't know much about WASD, but it might be possible to have scripts
etc be executed on other nodes (or on some load-balanced DECnet-alias
node).

.

Relevant Pages

  • Re: Apache 2.2 mod_proxy TCP timeouts
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  • Re: Clustering - how can I.......
    ... the data source for the web server is an NFS file location stored on a Windows server using RAID5. ... single redundant data source and higher-availability web servers. ... I could have LAT running and use a cluster alias and a terminal would connect to whichever cluster node was available. ... But how can I do this with TCP/IP - or, can I do this with TCP/IP? ...
    (comp.os.vms)
  • Clustering - how can I.......
    ... the data source for the web server is an NFS file location stored on a Windows server using RAID5. ... I could have LAT running and use a cluster alias and a terminal would connect to whichever cluster node was available. ... But how can I do this with TCP/IP - or, can I do this with TCP/IP? ... What I want is to have all port 80 hit any cluster node - and I don't have any load balancing servers to fiddle with TCP/IP after it passes through the router. ...
    (comp.os.vms)