[OmniOS-discuss] NFS mounts seems as nobody on Centos6

[Linda Kateley]

this might not answer your question but..

anon=root means that any user that tries to mount that is unknown to the 
server will be treated as if they are root and root from another system 
will be given the permission of nobody.. what you want is 
root=someuser.. In nfs root from another system is almost always seen as 
hostile by default.


On 6/15/17 1:47 PM, Ian Kaufman wrote:
> Are you using NFSv4? Are all machines using the same idmap domain?
>
> Ian
>
> On Thu, Jun 15, 2017 at 11:18 AM, Andries Annema 
> <an3s.annema at gmail.com <mailto:an3s.annema at gmail.com>> wrote:
>
>     Hi Özkan,
>
>     The first thing that comes to mind is "no_root_squash" and, based
>     on your example setting with options like "anon=root", I assume
>     this option can be set as well on OmniOS with the "sharenfs" setting.
>
>     Maybe these will help:
>     https://serverfault.com/questions/364613/centos-6-ldap-nfs-file-ownership-is-stuck-on-nobody
>     <https://serverfault.com/questions/364613/centos-6-ldap-nfs-file-ownership-is-stuck-on-nobody>
>
>     http://www.linuxtopia.org/online_books/rhel6/rhel_6_storage_admin/rhel_6_storage_s2-nfs-security-files.html
>     <http://www.linuxtopia.org/online_books/rhel6/rhel_6_storage_admin/rhel_6_storage_s2-nfs-security-files.html>
>
>
>     Disclaimer: I am not an expert on NFS! Far from it. The above
>     suggestion is based on some personal experience where I needed
>     that "no_root_squash" option (although that was with some Linux
>     distro's), and some Google-fu. With that said, I am not sure if it
>     adds a security threat or something.
>
>     Anyway, my two cents.
>
>     Regards,
>     Andries
>
>
>     On 2017-06-14 17:44, Özkan Göksu wrote:
>>     Hello.
>>
>>     I have a nfs share and zfs settings like= "sharenfs anon=root,rw=* "
>>     When i mount it from Centos, owner changes as nobody. (yes im
>>     root on Centos)
>>     But in omnios or ubuntu i see as root when i mount it.
>>
>>     What is the cause of this problem?
>>
>>
>>
>>
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>
> -- 
> Ian Kaufman
> Research Systems Administrator
> UC San Diego, Jacobs School of Engineering ikaufman AT ucsd DOT edu
>
>
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