On EMC Unity there is a NAS server parameter that can be changed to disable NFSv4 delegations using the following command,
svc_nas <NAS_SERVER_NAME> -param -facility nfsv4 -modify delegationsEnabled -value 0

On Sun, May 21, 2023 at 7:34 AM Noel Butler <noel.butler@ausics.net> wrote:

NFSv4, a dozen front ends to an EMC backend, with v4 we added "noac lookupcache=none" in very early days - not sure if they are still needed.

otherwise just like when using NFSv3, no problems, and never used director. real (hardware) load balancers are actually smart and exponentially more reliable and robust than server based :)

--

Regards,
Noel Butler

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