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SAS 712 U Series User Manual
Failed: one of the RAID set is at failed mode.
Importing: the system is loading data from the disks, which means
the pool is not ready for use yet.
Health
The health of the hard drive:
Good: the hard drive is good.
Failed: the hard drive is failed.
Error alert: S.M.A.R.T. error alert.
Read errors: the hard drive has unrecoverable read errors.
Reserved: the disk is one of the member disks of a RAID group. It
contains RAID group and pool information, but the original RAID
group and pool can’t be found. Either you put this disk at its original
slot or set this disk as a free disk.
Usage
The usage of the hard drive:
RAID disk: This hard drive has been set to a RAID group.
Free disk: This hard drive is free for use.
Dedicated spare: This hard drive has been set as dedicated spare of
a pool.
SSD
HDD or SSD.
Vendor
Hard drive vendor.
Serial
Hard drive serial number.
Type
Hard drive rate:
SAS 6Gb/s.
SAS 3Gb/s.
SATA 6Gb/s.
SATA 3Gb/s.
SATA 1.5Gb/s.
Write cache
Hard drive write cache is enabled or disabled. The default value is Enabled.
Standby
HDD auto spindown to save power. The default value is Disabled.
Readahead
This feature makes data be loaded to disk’s buffer in advance for further
use. The default value is Enabled.
Command
queuing
Newer SATA and most SCSI disks can queue multiple commands and
handle one by one. The default value is Enabled.
The drop-down options by clicking mouse right button are available on this tab:
Set Free disk:
Make the selected hard drive be free for use.
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. The menu
Configuration -> Storage -> S.M.A.R.T.
or
clicking
S.M.A.R.T.
tab of the operation area provides users a chance to take actions before a
possible drive failure.
Summary of Contents for SAS 712U Series
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