D-Link DSN-6410 User Manual for DSN-6410 - Page 78

Hard drive S.M.A.R.T.

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Battery Level (%) Current power percentage of battery level. 4.5.3 SES SES represents SCSI Enclosure Services, one of the enclosure management standards. "SES configuration" can enable or disable the management of SES. Figure 4.5.3.1 (Figure 4.5.1.1: Enable SES in LUN 0, and can be accessed from every host) The SES client software is available at the following web site: SANtools: http://www.santools.com/ 4.5.4 Hard drive S.M.A.R.T. S.M.A.R.T. (Self-Monitoring Analysis and Reporting Technology) is a diagnostic tool for hard drives to deliver warning of drive failures in advance. S.M.A.R.T. provides users chances to take actions before possible drive failure. S.M.A.R.T. measures many attributes of the hard drive all the time and inspects the properties of hard drives which are close to be out of tolerance. The advanced notice of possible hard drive failure can allow users to back up hard drive or replace the hard drive. This is much better than hard drive crash when it is writing data or rebuilding a failed hard drive. "S.M.A.R.T." can display S.M.A.R.T. information of hard drives. The number is the current value; the number in parenthesis is the threshold value. The threshold values from different hard drive vendors are different; please refer to hard drive vendors' specification for details. S.M.A.R.T. only supports SATA drives. SAS drives do not have this function now. It will show N/A in the web page for SAS drives. 78

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78
Battery
Level (%)
Current power percentage of battery level.
4.5.3
SES
SES
represents
S
CSI
E
nclosure
S
ervices, one of the enclosure management standards.
“SES configuration”
can enable or disable the management of SES.
Figure 4.5.3.1
(Figure 4.5.1.1: Enable SES in LUN 0, and can be accessed from every host)
The SES client software is available at the following web site:
SANtools:
4.5.4
Hard drive S.M.A.R.T.
S.M.A.R.T.
(
S
elf-
M
onitoring
A
nalysis and
R
eporting
T
echnology) is a diagnostic tool for
hard drives to deliver warning of drive failures in advance. S.M.A.R.T. provides users
chances to take actions before possible drive failure.
S.M.A.R.T. measures many attributes of the hard drive all the time and inspects the
properties of hard drives which are close to be out of tolerance. The advanced notice of
possible hard drive failure can allow users to back up hard drive or replace the hard drive.
This is much better than hard drive crash when it is writing data or rebuilding a failed hard
drive.
“S.M.A.R.T.”
can display S.M.A.R.T. information of hard drives. The number is the
current value; the number in parenthesis is the threshold value. The threshold values from
different hard drive vendors are different; please refer to hard drive vendors’ specification
for details.
S.M.A.R.T. only supports SATA drives. SAS drives do not have this function now. It will
show N/A in the web page for SAS drives.