We upgraded from cDTO 8.3.2

Something to add: existing v4 clients (ie those that mounted the share
before ONTAP 9 upgrade) are just fine after the upgrade, only brand
new NFS clients are having issues.

On Wed, Nov 2, 2016 at 6:25 PM, Fred Grieco <fredgrieco@yahoo.com> wrote:
> What version did you upgrade from?
>
> Sent from Yahoo Mail on Android

>
> On Wed, Nov 2, 2016 at 11:02 AM, Parisi, Justin
> <Justin.Parisi@netapp.com> wrote:
>
> That wouldn’t cause hangs though.
>
>
>
> Official NetApp NFS support statement is that we support any client that
> follows the RFC specification. No custom kernels. RHEL/CentOS 6.8 should be
> fine.
>
>
>
> I’d look into a getting a packet capture of the hang to see where they are
> occurring in the process.
>
>
>
> From: toasters-bounces@teaparty.net [mailto:toasters-bounces@teaparty.net]
> On Behalf Of tmac
> Sent: Wednesday, November 02, 2016 7:08 AM
> To: Vladimir Zhigulin
> Cc: toasters@teaparty.net
> Subject: Re: ONTAP9 NFSv4 + CentOS 6.8 does not work
>
>
>
> Should check the IMT...
>
> refers to
> http://mysupport.netapp.com/NOW/cgi-bin/bol?Type=Detail&Display=1035160
>
> and that you should be on GA 6.8 and
>
> Supported Kernel version:- kernel-2.6.32-642.el6.x86_64 Supported NFS-utils
> version:- nfs-utils-1.2.3-70.el6.x86_64 Supported libtirpc version:-
> libtirpc-0.2.1-11.el6.x86_64
>
>
>
> This is for NFS4.1...which you may or may not be using....worth checking
> into.
>
>
>
>
> --tmac
>
>
>
> Tim McCarthy, Principal Consultant
>
> Proud Member of the #NetAppATeam
>
> I Blog at TMACsRack
>
>
>
> On Wed, Nov 2, 2016 at 6:06 AM, Momonth <momonth@gmail.com> wrote:
>
> Hi All,
>
> We upgraded our 6 nodes cluster to ONTAP9 yesterday. Today I
> discovered some freshly installed CentOS 6.8 hosts not being able to
> mount file shares via NFS v4 protocol. The mount command just kind of
> hangs. I verified it's not a connectivity issue, ie connections to the
> filer's port 2049 are possible.
>
> Also NFS v3 works just fine.
>
> Did anyone experience anything like that?
>
> Cheers,
> Vladimir
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>