RE: [BUG?] Maybe NFS bug since 2.6.37 on SPARC64

Myklebust, Trond
2011-11-04T14:09:43Z

> -----Original Message-----
> From: Chuck Lever [mailto:chuck.lever@oracle.com]
> Sent: Friday, November 04, 2011 10:02 AM
> To: Jim Rees
> Cc: Lukas Razik; Myklebust, Trond; Linux NFS Mailing List
> Subject: Re: [BUG?] Maybe NFS bug since 2.6.37 on SPARC64
>
>
> On Nov 4, 2011, at 9:20 AM, Jim Rees wrote:
> > As we move toward nfs4 someone will have to give some thought to
> nfsroot.
> > It's hard to imagine we could put enough nfs4 cruft into the kernel
> > (gssd,
> > idmapd) to make it work.
>
> A kernel-level basic id mapper is being considered. That would allow
NFSv4
> with AUTH_SYS, if we can get the NIC problems squared away.

We already have a solution for NFSv4 and nfsroot: use auth_sys and set
the nfs4_disable_idmapping flag. That does require an rfc3530-bis
compatible server, but it shouldn't be long before we see those
appearing in the wild...

Trond