Sans Digital Mobileraid MR8X Detailed User's Manual page 71

SAS-to-SATA II RAID Subsystem
To view the disk drive information, click the CH0# link from the Raid Set Hierarchy screen.
The Disk Information screen appears. This screen shows various information such as
timeout count, media error count, and SMART information.
The SMART information shows two numbers, one on the left (attribute value) and
one on the right enclosed in parentheses (threshold). The higher the attribute value
compared to the threshold value, the better. If the attribute value becomes smaller than
the threshold value, the disk is in unstable state.
To view the Volume Set information, click the Volume Set # link from the Raid Set
Hierarchy screen. The Volume Set Information screen appears.
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Installation and Configuration Manual