[OpenAFS] multi homed servers

[Michael Robokoff]

Todd_DeSantis@transarc.com wrote:

> Hi Mike:
>
> > The problem I have is when I try and replicate a  volume to the
> > machine specifing the name of the world interface it fails if I try
> > and list volumes using the name of the world interface the output
> > show the name of the private interface.
> >
> > Does anyone know what is causing this behavior?
>
> When the fileserver starts, it registers its IP addresses into the
> VLDB.  And the IP addresses are listed in order within this VLDB
> entry.  So the 10.x.x.x IP must be the first address that is returned
> from the ifconfig call, or the internal call that AFS makes to grab
> the IPs available to this machine.
>
> Most vos commands will default to this first IP address and only use
> it, even though it is multi-homed.  If the specific vos command you
> are running has a -server option, the vos command will do things based
> on that IP.
>
> You have 2 options -
>
>  - physically mess with the network interfaces so that the 10.x.x.x
>    address is not listed first.  Then when the fileserver registers
>    itself, the order will be changed in the VLDB and things will
>    work for you much better.
>
>  - create the NetInfo file in the /usr/afs/local directory and
>    place the IP in the order you want
>         1xx.x.x.x
>         10.x.x.x
>    Again, this NetInfo file should take on the order of the
>    IP addresses for you.
>
>    And if you don't want the fileserver to use the 10.x.x.x
>    address at all, then don't list it.
>
>    This is probably the easier method for a quick test.
>
> Thanks
>
> Todd

Thank you. I had suspected this but I was not sure of the details.

--Mike