[CentOS] SOLVED (was Re: Unable to mount Centos 5.6 Server via nfs4 - Operation Not Permitted - MADNESS!
Ljubomir Ljubojevic
office at plnet.rs
Sat Jun 4 08:27:03 UTC 2011
RILINDO FOSTER wrote:
> Okay, it took a few minutes, but I figure it out. Seems that Scientific Linux eems to regress a bit in this area.
>
> With Centos, you need to bind like so:
>
> /home/share /exports/share none bind 0 0
> /home/vhosts /exports/vhosts none bind 0 0
>
> And then specify the options (including fsid0):
>
> in /etc/exports
>
> /exports *(rw,fsid=0,insecure,no_subtree_check,sync,no_root_squash)
> /exports/vhosts *(rw,fsid=0,insecure,no_subtree_check,sync,no_root_squash)
> /exports/share *(rw,fsid=0,insecure,no_subtree_check,sync,no_root_squash)
> [root at centos home]#
>
> In order for clients to mount via NFS4 (with all the usual stuff about specifying in the ports in /etc/sysconfig/nfs) in thisfmat :
>
> mount -t nfs4 192.168.15.200:/ /mnt
>
> Which is apparently the correct way of mount via NFS
>
> HOWEVER, in Scientific Linux, you can get way with a) not binding the directories and b) go back to this format:
>
> /home/exports *(ro,sync)
> /opt *(ro,sync)
>
>
> And still be able to mount:
>
> mount -t nfs4 192.168.15.100:/opt /mnt
>
>
> I have to double check the mounts to confirm that I am mount via NFS4.
>
> Centos box (mounting SL box via NFS4):
>
> 192.168.15.100:/opt /mnt nfs4 rw,addr=192.168.15.100 0
>
> SL Box (mounting Centos box via NFS4):
>
> 192.168.15.200:/ /mnt nfs4 rw,addr=192.168.15.200,clientaddr=192.168.15.100 0 0
>
> Huh.
>
> Thanks a lot for the pointers, guys. It has been interesting. :)
>
> On Jun 2, 2011, at 8:50 PM, RILINDO FOSTER wrote:
>
>> Here you go. Nothing too fancy:
>>
>> [root at centos ~]# cat /etc/exports
>> /home *(ro,sync)
>> /opt/company_data *(rw,sync)
>>
If I am not mistaking, difference might be between 5.x and 6.x, not
distro oriented. Not binding and having DNS/hostname issues is nice and
is progress.
P.S. Please do not forget not to top post. Thanks.
Ljubomir
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