[Devel] Re: [RFC][PATCH 2/4] sunrpc: Use utsnamespaces

[Trond Myklebust]

On Tue, 2009-01-06 at 19:26 -0500, J. Bruce Fields wrote:
> On Tue, Jan 06, 2009 at 07:20:07PM -0500, Trond Myklebust wrote:
> > As for the NFSv4 clientid, I can't see how you would ever want to use
> > anything other than the init->utsname(), since the requirement is only
> > that the clientid string be unique and preserved across reboots. The
> > server isn't allowed to interpret the contents of the clientid string.
> > Ditto for the RPCSEC_GSS machine creds that are used to establish the
> > clientid.
> 
> If people eventually expect to be able to, say, migrate a container to
> another host while using an nfs mount as their storage, then they'd need
> the name to be that of the container, not of the host.

Why?

> Obviously we'd also need to ensure the container got its own nfsv4
> client state, etc., etc., and it sounds like we're far from that.

Again, why? Are you seriously proposing a plan to transport all NFS and
locking state directly from one kernel to another?

-- 
Trond Myklebust
Linux NFS client maintainer

NetApp
Trond.Myklebust at netapp.com
www.netapp.com
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