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Copyright@2004~2014 Qsan Technology, Inc. All Rights Reserved.
Qsan Document – User Manual
Local Spare: This hard drive has been set as local spare of the
enclosure.
Global Spare: This hard drive has been set as global spare of whole
system.
Vendor
Hard drive vendor.
Serial Number
Hard drive serial number.
Rate
Hard drive rate:
SAS 6.0Gb/s.
SAS 3.0Gb/s.
SATA 6.0Gb/s.
SATA 3.0Gb/s.
SATA 1.5Gb/s.
SAS SSD 6.0Gb/s.
SATA SSD 6.0Gb/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.
Read-Ahead
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 options are available on this tab:
Disk Health Check:
Check the health of the selected disks. It cannot check the disks which
are in used.
Disk Check Report:
Download the disk check report. It’s available after executing
Disk Health
Check
.
▼
->
Set Free Disk:
Make the selected hard drive be free for use.
▼
->
Set Global Spare:
Set the selected hard drive to global spare of all RIAD groups.
▼
->
Set Local Spare:
Set the selected hard drive to local spare of the RIAD groups which
located in the same enclosure.
▼
->
Set Dedicated Spare:
Set a hard drive to dedicated spare of the selected RAID group.
▼
->
Upgrade:
Upgrade the firmware of the hard drive.
▼
->
Disk Scrub:
Scrub the hard drive. It’s not available when the hard drive is in used.
▼
->
Read Error Cleared:
Clean the read error of the hard drive.
▼
->
Turn on/off the indication LED:
Turn on the indication LED of the hard drive. Click
again to turn off.
▼
->
More information:
Display hard drive detail information.
