NFSv4 nobody issue

[Loïc Blot]

Hi,
of course i have it. On each node:

# cat /etc/master.passwd | grep nobody
returns:
nobody:*:65534:65534::0:0:Unprivileged user:/nonexistent:/usr/sbin/nologin

It's why i do a report here :)

Regards,

Loïc Blot,
UNIX Systems, Network and Security Engineer
http://www.unix-experience.fr

10 octobre 2014 13:51 "Rick Macklem" <rmacklem at uoguelph.ca> a écrit: 
> Loic Blot wrote:
> 
>> Hello @freebsd-fs,
>> i'm trying to do jail hosting over NFSv4 with ezjail and i'm
>> experimenting an issue that i can't resolve. When i extract
>> base.txz (with ezjail) or i set nobody user on a file, i have this
>> error:
>> 
>> chown nobody:nobody /usr/jails/fulljail/mnt/
>> No name and/or group mapping for uid,gid:(65534,65534)
>> chown: /usr/jails/fulljail/mnt/: Operation not permitted
>> 
>> No problem if i set:
>> chown mysql:nobody /usr/jails/fulljail/mnt/
>> 
>> Problem appears on all files.
> 
> Do you have a user by the name of "nobody" in your password database?
> (NFSv4 uses names and not numbers on the wire, so no name-->no mapping
> and chown can't be done.)
> 
> rick
> 
>> On my ZFS+NFSv4 server i do a dataset, exported in NFS
>> 
>> /etc/exports:
>> V4: /
>> 
>> zfs get sharenfs pool/jails:
>> -network=10.99.99.0 -mask=255.255.255.0 -maproot=root
>> 
>> nfsuserd and nfsv4_server_enable=YES on both client and server, plus
>> nfsbcd on client.
>> 
>> On the client here is the fstab entry
>> 10.99.99.99:/pool/jails /usr/jails nfs rw,nfsv4 0 0
>> 
>> What i'm doing wrong ?
>> 
>> Thanks in advance
>> Regards,
>> 
>> Loïc Blot,
>> UNIX Systems, Network and Security Engineer
>> http://www.unix-experience.fr 
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