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Forum Discussion
NFS permission problems - group access not working
Hello I'm trying to set up NFS from my readyNas to replace a the NFS server I had before. I have created a shares for video, music etc and I have also created groups on the readynas that will belon...
Thanks - now I know where to start looking for a solution. I found this switch in the mountd manpage:
So I added the file /etc/default/nfs-kernel-server with the following line in it
Unfortunately the ReadyNAS is running kenel:
What have other people done to get around the problem? What I'm thinking right now is to set the GIDs on NAS-relevant groups below 30 so they come first in the list.
-g or --manage-gids
Accept requests from the kernel to map user id numbers into lists of group id numbers for use in access
control. An NFS request will normally (except when using Kerberos or other cryptographic authentica‐
tion) contains a user-id and a list of group-ids. Due to a limitation in the NFS protocol, at most 16
groups ids can be listed. If you use the -g flag, then the list of group ids received from the client
will be replaced by a list of group ids determined by an appropriate lookup on the server. Note that the
'primary' group id is not affected so a newgroup command on the client will still be effective. This
function requires a Linux Kernel with version at least 2.6.21.
So I added the file /etc/default/nfs-kernel-server with the following line in it
RPCMOUNTDOPTS="--manage-gids"
Unfortunately the ReadyNAS is running kenel:
Linux sigma 2.6.17.8ReadyNAS #1 Tue Jun 9 13:59:28 PDT 2009 padre unknown
What have other people done to get around the problem? What I'm thinking right now is to set the GIDs on NAS-relevant groups below 30 so they come first in the list.
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