An nblade cache entry is populated when an NFS operation that requires a credential cache entry is executed against ONTAP and a cache entry for the requesting UID does not already exist. SECD is a uni...An nblade cache entry is populated when an NFS operation that requires a credential cache entry is executed against ONTAP and a cache entry for the requesting UID does not already exist. SECD is a unique process per node, this meant that before the nblade request could be serviced, the SECD process local to that node would need to populate its cache if an entry did not already exist.
One or many clients use the same source TCP socket (source address & port) for multiple simultaneous NFS (v3/v4) mounts to different interfaces (LIFs) on same node. The same issue can occur with multi...One or many clients use the same source TCP socket (source address & port) for multiple simultaneous NFS (v3/v4) mounts to different interfaces (LIFs) on same node. The same issue can occur with multiple connections to different ports on the same LIF from the same source socket. Risk: Multiple NFS connections from the same client using the same ephemeral port to multiple LIFs in a single IPSpace on a single node can result in NFS slowness/hangs for that client.
The purpose of limits is the lower the chance of a client overwhelming a node in the cluster. If there is an expectation that the default value will be exceeded in a natural manner, but there is uncer...The purpose of limits is the lower the chance of a client overwhelming a node in the cluster. If there is an expectation that the default value will be exceeded in a natural manner, but there is uncertainty about how the natural behavior will go, then testing higher values will be necessary. Another method is more slowly increasing the value until the error goes away. (assuming behavior of the OS/application vendor is expected)