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From: Steve Dickson <SteveD@redhat.com>
To: ShaunR <mailinglists@unix-scripts.com>
Cc: linux-nfs@vger.kernel.org
Subject: Re: NFSv4 and portmap
Date: Tue, 26 Oct 2010 16:09:33 -0400	[thread overview]
Message-ID: <4CC7357D.8090106@RedHat.com> (raw)
In-Reply-To: <ia761h$921$1@dough.gmane.org>



On 10/26/2010 02:18 PM, ShaunR wrote:
> Everything i keep reading tells me that NFS4 does not need portmap but
> for some reason on the NFS server ( CentOS 5.x ) i cannot get the nfs
> services started unless portmap is running first.
> 
> On the server i modified /etc/sysconfig/nfs with the following options
> MOUNTD_NFS_V1="no"
> MOUNTD_NFS_V2="no"
> RPCNFSDARGS="-N 2 -N 3 -U"
> 
> For some reason if i uncomment MOUNTD_NFS_v3="no" i get errors.
> 
> On the client, again a CentOS 5.x machine but with a newer custom built
> kernel, If i do not start portmap then when i run mount it takes about 2
> minutes for the filesystem to mount and i see the following messages in
> /var/log/messages
> 
> Oct 26 10:25:30 host kernel: rpcbind: server localhost not responding,
> timed out
> 
> If i start portmap, the mount command completed in a few seconds.
> 
> 
> My goal here to is run/support NFSv4 Only.
I think you are running into a known problem of when the v4
server comes it uses some legacy code that blindly does 
"unregister all my previous existences" to rpcbind.
So that unregister hangs for a bit if rpcbind is not
running... This was fixed in later releases... 

steved.

      reply	other threads:[~2010-10-26 20:09 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-26 18:18 NFSv4 and portmap ShaunR
2010-10-26 20:09 ` Steve Dickson [this message]

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