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Re: Buyer Beware: A Major Change in NFS (in Rawhide) is about to happen



On 11/02/2009 03:02 PM, Jesse Keating wrote:
> On Mon, 2009-11-02 at 14:23 -0500, Steve Dickson wrote:
>> I'm not sure about this... Actually I like the fact we can define a 
>> pseudo root other than '/'... which means you really want a live exported
>> directory with the fsid=0 option... If I am understanding what you are 
>> saying... 
> 
> No, that's not what he's saying.  Even if you define a different psuedo
> root other than /, it's likely more common to /not/ want that root
> exported in whole, but rather smaller parts of it, just like you don't
> want / exported in whole, you only want subdirectories exported.
Lets add some context to this since I *really* do want to understand 
what you guys are saying... 

/export *(ro,fsid=0)
/export/home *(rw)

With the above exports the only part of the server's real root ('/')
that is exposed is the /export directory. So when a client does a 
     'mount -o v4 server:/ /mnt'

The client will only be able to see /mnt/home (or the /export/home
export).

So as far as exposure, being able to define the root the client 
will see, I think, is good thing since it will protect (or hide) 
the rest of server's real root directories... 

So this is why I'm understanding why the '/export' of the 
'/export *(ro,fsid=0)' should not be a live export directory? 

steved.


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