[OpenAFS-devel] N800, Mobile AFS, and changing IP addresses

[Derrick Brashear]

On Mon, Apr 28, 2008 at 6:36 PM, Jeffrey Altman
<jaltman@secure-endpoints.com> wrote:
> Jeffrey Hutzelman wrote:
>
> > --On Sunday, April 27, 2008 09:45:34 AM -0400 Jeffrey Altman
> >
>
>
> > Performing the check at the time the network configuration changes will
> guarantee that the cache manager talks to a large number of servers
> (normally, every server it has ever had a reference to since starting) many
> of which the user may not care about.
> >
> > It seems the simplest thing to do here is whenever an interface is brought
> up to reset the state of all servers to "up".  This results in a fast
> response time for a server that really is up, at the expense of an extra
> timeout in cases where the user touches a server that is down before the CM
> gets around to doing the next 5 minute check.
> >
>
>  the CM is going to send the UP probe to every server the client has ever
> communicated with once the 5 minute check comes around so there is no point
> putting it off.  Just make sure that you reset the 5 minute check timer when
> you do it.
>
The point of putting it off is to not delay a synchronous request, if
any, depending on the code path. Just kicking off the probe is
(should) not (be) a problem.