[CentOS] NFS help

On Thu, Oct 27, 2016 at 12:35 PM, Gordon Messmer
<gordon.messmer at gmail.com> wrote:
> On 10/26/2016 09:54 PM, Larry Martell wrote:
>>
>> And on the C6 client there is a similar blocked message for the ftp
>> job, blocked on nfs_flush, then the bad sequence number message I had
>> seen before, and at that point the ftp_job hung.
>
>
>
> Are any of these systems using jumbo frames?  Check the MTU in the output of
> "ip link show" on every system, server and client. If any device doesn't
> match the MTU of all of the others, that might cause the problem you're
> describing.  And if they all match, but they're larger than 1500, a switch
> that doesn't support jumbo frames would also cause the problem you're
> describing.

They all are 1500.