Re: SOLVED (was Re: Unable to mount Centos 5.6 Server via nfs4 - Operation Not Permitted - MADNESS!

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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@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@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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