[LON-CAPA-admin] Server migration

[Stefan Bisitz]

Guy Albertelli II wrote:
Date: Wednesday, January 10, 2007 9:04 pm

> There are three names associated with a machine:
> 
> - IP number
>   - this is effectively not used by anything
>   - if you change this the only effect you'll see is that while the
>     DNS changes propagates and possibly up to 24 hours afterwards 
> other     machines in the network will refuse to talk to your machine
> - DNS name
>   - this is used by running processes on machine to know if a machine
>     is connected to the network
>   - if you change this we'll need to update the hosts.tab file that
>     is sent out in a release and other machines will refuse to talk
>     to your machine until they update to a release with the update
>     hosts.tab (or they manually integrate the changes into their
>     hosts.tab)
> - LONCAPA id 
>   - this is used by almost all things to talk about lon-capa
>     information
>   - if you change this all kinds of things will act oddly (most
>     important of which being you won't get notidfied of updates to
>     resources you are subscribed too.)
> 
> So in order to have as a seemsless transition is possible don't change
> any of these, just change what hardware answers to these names.


Any news for those you want to keep the domain (fhwf) and server
(fhwfl1), but MUST change the DNS name and the IP address?

Stefan Bisitz