9d4fc3be_e_7000_Unified_Storage_Systems__Purpose
[Metric] Network Devices / Up [WARNING] N/A [CRITICAL] N/A [Purpose] 
Because a device being down does not necessarily indicate a problem (since the device may not be configured or operating by plan), this threshold is enabled but left off.
Oracle Enterprise Manager System Monitoring Plug-in for Sun Storage 7000 Unified Storage Systems