UNSOLVED
Trouble accessing an NFS export from Windows
Hello,
I am testing exporting a folder with NFS on our datadomain (DD670) and accessing it from a windows 2012 server.
(The reason i am doing this test is that we are getting extremely poor performance with CIFS for this particular share, since it contains hundreds of thousands of small files in a flat structure, we want to see if we're getting a better perf with NFS).
Anyway, I exported my share, installed the Client for NFS features, and mounted the share.
I can read from it, but I am getting an access denied whenever I try to write anything.
I am getting this same result regardless of the options that I choose when exporting the share or mounting it.
I think I am lacking a proper understanding of how authentication works.
Any help would be very much appreciated
ble1
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Posted August 13th, 2014 17:00
In theory, CIFS is faster than NFS so against same data set you will get same or worse results (unless something is misconfigured or you use signing which is known to slow down CIFS connections). If you have many small files, question also is which DDOS do you run as 5.4 and 5.5 both did so some changes in code to support better smaller files.
So, in essence I think NFS test is waste of time and energy. If you still wish to do it your way, I assume export is done via all_squash and you might not have write permission for your used on the box (so, in essence I suspect user name mapping and permissions are your problem). Therefore you will need to add write permissions to mnt point on Windows box. Other stuff might be anonymous logon group which needs to be added to Everyone (see INFO: How to Allow Anonymous Logon in NFS and in Windows Server 2003 or in Windows Storage Server 2003 (NAS) and do no get confused by win2k3 reference - same applies to win2k12).