Can’t copy from NFS share to NFS share

30 pts.
Tags:
NFS
Solaris 10
Looking for help with a an NFS issue I have two shares one with zfs filesystem the other with a UFS filesystem shared via NFS. I use the shares as home directories for my users The ZFS has the following in dfstab running on solaris 10 share -F nfs -o anon=0,log /mypool/home The UFS has the following in dfstab running on solaris 10 share -F nfs -o rw,root=172.16.51.3:172.16.50.3 /usr/home THese shares are both mounted to two seperate servers running solaris 8 server A @ --- /usr/home    (/usr/home)            --- /usr/tester  (/mypool/home) Server B @ --- /usr/home    (/usr/home)            --- /usr/tester  (/mypool/home) The problem I am having is as root user on server A         I can 'touch' a file, cat, cp, vi, and etc in /usr/tester     I can not do any of the above to my /usr/home When I go to Server B the problem is just the opposite     I can 'touch' a file, cat, cp, vi, and etc in /usr/home     I can not do any of the above to my /usr/tester     I was alerted to this problem when I tried to do a usermod -d /usr/tester -m <userid>     I recieved permissions errors when coping the contents from usr/home to /usr/tester on server A   drwxr-xr-x 9603 root     root        9603 Oct  3 19:05 tester drwxr-xr-x 9602 root     root      185856 Oct  5 12:07 home Has anyone else experienced this problem before? What did you do to resolve it. Not sure of what other information is needed. Regards, Lance Longstreth    

Software/Hardware used:
Solaris 10 , Believe to be NFS v4

Answer Wiki

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Sounds like a root-squash problem to me; what, specifically is the error?

Try mounting the NFS shares with the “no_root_squash” option, but make sure your root account is secure…

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I need to amend the above information.

When I go to Server B the problem is

I can ‘touch’ a file, cat, cp, vi, and etc in /usr/home
I can ‘touch’ a file, cat,cp, mv and etc… in /usr/tester

But when I try to do a usermod -d /usr/tester/<userid> -m <userid>

I receive UX: usermod: ERROR: There is not sufficient space to move

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  • Iowaprogrammer
    I think it could be similar to root-squash, but this parameter does not seem to be valid parameter in solaris NFS
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