Fujitsu Remote Management User Manual page 222

Sensors - Check status of the sensors
I
The precise entries displayed in the Component Status Sensor Information
table, therefore, depend on the server state and whether the server
supports "agentless HDD monitoring":
– The entry with Designation "HDD" only shows a status in the Signal
Status column if the ServerView agents and the ServerView RAID
Manager are installed and running on the managed server.
Otherwise, "N/A" (not available) is displayed in the Signal Status
column instead.
– The entries with Designation "HDD<n> (with n = 1, 2, ...)" are only
displayed if the managed server supports "agentless HDD
monitoring".
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iRMC S2/S3