400020001

LWIO is throttling due to current memory threshold settings.

This event is generated when the SMB LWIO process has exceeded the memory usage threshold and new connections are being denied.

Administrator action

Examine SMB usage on the affected node, particularly any active sessions or open files.

If the event persists, gather logs, and then contact EMC Isilon Technical Support for additional troubleshooting. For instructions, see Gathering cluster logs.