Drive

Note – This field links to the Drives – Overview screen, detail view, which displays all available details for this drive. See “Drives Overview and Analysis Screens”.

Drive health. This is a point-in-time value computed by STA analytics based on data gathered from the drive during current and past exchanges. It reflects a variety of factors, such as the drive’s error history, read margin, and write efficiency.

•	USE – The drive has had no failures or degradation in the last ten exchanges.

•	MONITOR – The drive has had multiple errors; there is a less than 80 percent chance that it needs service.

•	EVALUATE – The drive has had multiple errors; there is a greater than 80 percent chance that it needs service.

•	ACTION – The drive has had an error that requires attention. The drive may require service. You should investigate and determine a proper course of action.

•	UNKNOWN – STA has not received enough data to compute health for the drive. This may be due to a variety of factors, including an unsupported drive model, downlevel drive firmware, or ADI mode not enabled for an LTO drive.