[pnfs] linux-pnfs-2.6-latest file layout data serversessionmanagement

[Muntz, Daniel]

Comments inline... 

> -----Original Message-----
> From: Iyer, Rahul 
> Sent: Tuesday, October 16, 2007 1:23 PM
> To: William A. (Andy) Adamson; pnfs at linux-nfs.org
> Subject: Re: [pnfs] linux-pnfs-2.6-latest file layout data 
> serversessionmanagement
> 
> Comments inline...
>  
> 
> > 
> > 
> > Questions
> > ---------
> > 
> > 1) should we plan for multiple sessions to a data server?
> >
> 
> Why would we do multiple sessions? I can understand multiple 
> connections
> over the same session...

What if we have a data server acting as a DS for multiple MDSs?  I
assumed we would want support for multiple sessions.

>  
> > 2) we could create a new struct to hold only exchange id and 
> > client id bookeeping.
> > this would mean changing the interface to 
> > nfs4_proc_exchange_id, and to nfs4_state_recovery_ops. not worth it?
> >
> Yes and no. For the short term, in the interest of getting stuff up to
> speed asap so that everyone can develop on the new client, I 
> think using
> an nfs_client struct per data server is the way to go. In the 
> long term
> however, I do believe we should use something more consise. nfs_client
> has way too much unnecessary information to be used for a DS
> representation.
> 
> -Rahul
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