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Chapter 4 Web Configurator Basics
Cloud Storage User’s Guide
64
4.4.6 SMART Info
Use this screen to display more details information about the volume.
Spin_Retry_C
ount
This field shows the total number of spin start retry attempts. This is the number of attempts
to spin up to fully operational speed the hard drive has made when the first attempt did not
succeed. An increase in this value is an indicator of hard disk mechanical subsystem
problems.
Reallocated_
Sector_Ct
This field shows the total number of reallocated sectors on the hard drive. When the hard
drive detects a read/write/verification error, it marks the sector as “reallocated” and transfers
the data to a specially reserved (spare) area. The process is also known as remapping with
“reallocated” sectors known as remaps. The more sectors the hard disk has to reallocate, the
slower read and write speeds become.
Command_
Timeout
This field shows the temperature of the hard disk in degrees celsius (
o
C) and fahrenheit (
o
F).
Model Family
This field shows the model family of the hard disk.
Device Model
This field shows the hard disk model number that uniquely identifies a hard disk.
Serial
Number
This field shows this individual hard disk’s serial number from the manufacturer.
LU WWN
Device Id
This field shows the hard disk’s Logical Unit World Wide Name Device Identifier.
Firmware
Version
This field shows the version number of the hard disk’s internal operating software.
User
Capacity
This field shows the hard disk’s usable size.
Sector Sizes
This field shows the sector size of the hard disk. A sector is the smallest physical storage unit
on a hard disk. Normally it is 512 bytes.
Rotation Rate This field shows the rotational speed of the hard disk, measured in revolutions per minute
(rpm).
ATA Version
This field shows the hard disk’s Advanced Technology Attachment version number.
SATA Version
This field shows the hard disk’s Serial ATA (SATA) version number.
Local Time
This field shows the local time that the hard disk is using.
SMART
support
This field shows whether or not the hard disk is SMART-capable.
SMART
support
This field shows whether or not the hard disk has SMART monitoring turned on.
Close
Click this button to close the screen.
Table 18
S.M.A.R.T Overview (continued)
LABEL
DESCRIPTION
Summary of Contents for NAS Series
Page 4: ...Contents Overview Cloud Storage User s Guide 4 ...
Page 13: ...13 PART I User s Guide ...
Page 14: ...14 ...
Page 18: ...Chapter 1 Getting to Know Your NAS Cloud Storage User s Guide 18 ...
Page 26: ...Chapter 2 NAS Starter Utility Cloud Storage User s Guide 26 ...
Page 132: ...Chapter 5 Tutorials Cloud Storage User s Guide 132 5 Click Get Certificate ...
Page 152: ...Chapter 5 Tutorials Cloud Storage User s Guide 152 ...
Page 153: ...153 PART II Technical Reference ...
Page 154: ...154 ...
Page 158: ...Chapter 6 Status Screen Cloud Storage User s Guide 158 ...
Page 168: ...Chapter 7 System Setting Cloud Storage User s Guide 168 ...
Page 172: ...Chapter 8 External Volume Cloud Storage User s Guide 172 ...
Page 186: ...Chapter 9 Network Cloud Storage User s Guide 186 ...
Page 260: ...Chapter 14 Using Time Machine with the NAS Cloud Storage User s Guide 260 ...
Page 280: ...Chapter 17 Shares Cloud Storage User s Guide 280 ...
Page 284: ...Chapter 18 WebDAV Cloud Storage User s Guide 284 ...
Page 356: ...Appendix C Legal Information Cloud Storage User s Guide 356 Environmental Product Declaration ...