[CentOS] nfs4, idmapd, users with same name, different uid?

Wed Aug 28 16:38:38 UTC 2013
James A. Peltier <jpeltier at sfu.ca>

----- Original Message -----
| On Wed, Aug 28, 2013 at 11:04 AM, Barbara Krasovec
| <barbarak at arnes.si> wrote:
| > >>
| >> I have no experience with idmapd in linux, but in solaris and
| >> netapp it
| >> gets ugly quite easily :-)
| >>
| > It also works with same UID-s on server/client, just setting the
| > domainname in idmapd.conf. Ldap is not obligatory.
| This is a small lab-type setting but I'm trying to merge two sets of
| machines set up by different groups to have a common home directory
| server that all the others automount.  The number of users is small
| enough that I'll just 'usermod' them into the same uid numbers, but I
| don't see why it is worth running the idmapd daemon at all, when all
| it does is map everyone to nobody if you forget to set the domains
| identically.   And after fixing the uids to match, is there any
| advantage to nfsv4 at all?

Over NFSv3?  Yes, single port for traffic and extended ACLs.  Throw in Kerberos and you have authenticated access to resources.

James A. Peltier
Manager, IT Services - Research Computing Group
Simon Fraser University - Burnaby Campus
Phone   : 778-782-6573
Fax     : 778-782-3045
E-Mail  : jpeltier at sfu.ca
Website : http://www.sfu.ca/itservices

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