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Chapter 6 Monitor
UNS Series User’s Guide
30
6.1.2 Physical Disk
The Physical disk option gives you the hard drive status. Click Monitor > Physical Disk to
display the following screen.
Figure 17 Monitor > Physical Disk
The following table describes the items on this screen.
HDD Type Indicates the hard disk type.
Read Error
Rate
Displays the error rate when reading the disk.
Spin Up Time The amount of time required for the drive platters to get up to full operational speed.
Reallocated
Sector Count
Indicated the reallocated sectors count. Read/write/verification errors on a hard drive are
marked as reallocated, the data is transferred to a special reserved area (spare area).
Seek Error
Rate
Indicates the rate of errors on the magnetic head.
Spin Up
Retries
Indicates the number of spindle spin ups.
Calibration
Retries
Indicates the recalibration count requested due to due to an unsuccessful previous attempt.
Temperature
(°C)
Shows the temperature of the hard disk in degrees Celsius.
Table 5 Monitor > S.M.A.R.T (continued)
ITEM DESCRIPTION
Table 6 Monitor > Physical Disk
ITEM DESCRIPTION
Slot The position of a hard drive. The button next to the number of slot shows the
functions which can be executed.
Size (GB) Hard drive capacity. The unit can be displayed in GB or MB.
Pool Name Pool name.
Status The status of the hard drive:
• Online: the hard drive is online.
• Rebuilding: the hard drive is being rebuilt.
• Degraded: one of the RAID set is in degraded mode.
• Failed: one of the RAID set is in failed mode.
• Importing: the system is loading data from the disks, which means the pool is
not ready for use yet.