I had a similar issue after converting a windows file share used by a hand full of mac users  to an 8.1.x 7m share.  Unfortunately, I do not know the fix as the desktop team fixed it on the client side. I want to say it was either related to an index or cache setting. 

--Jordan

From: toasters-bounces@teaparty.net [mailto:toasters-bounces@teaparty.net] On Behalf Of Basil
Sent: Tuesday, August 04, 2015 4:46 PM
To: Ray Van Dolson
Cc: toasters@teaparty.net
Subject: Re: CIFS on Mac

My experience with CIFS on Mac was constant frustration, mostly due to issues with their implementation of SMB. Apparently, it is less bad if you force SMB1.0 on everything. That said, I wasn't using Netapp CIFS shares.

On Tue, Aug 4, 2015 at 4:27 PM, Ray Van Dolson <rvandolson@esri.com> wrote:

On Tue, Aug 04, 2015 at 04:00:13PM -0400, Ryan Pugatch wrote:
> Hi all,
>
> Performance when accessing netapp CIFS shares from a Mac is frustrating,
> and in some cases downright unusable.
>
> It seems mostly related to OS X's desire to index everything with
> Spotlight.  Directory listings are slow, and if you're any way distant
> from the netapp, you'll find latency makes it completely unusable.
>
> Have any of you found how to deal with this?
>
> Thanks,
> Ryan

What sort of issues are you encountering?  We do CIFS shares to Macs
here and haven't had complaints.  Still 7-mode.  Don't believe we have
any fancy settings (SMBv2 enabled, larger TCP window size, etc.)

Ray

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