User manual

iSCSI GbE to SAS/SATA II RAID Subsystem
User Manual
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RAID The RAID level of the RAID group.
Current owner The owner of the RAID group. Please refer to next
chapter for details.
Preferred owner The preferred owner of the RAID group. The default
owner is controller 1.
RG operations description:
Create
Create a RAID group.
Migrate
Change the RAID level of a RAID group. Please refer to
next chapter for details.
Activate
Activate a RAID group; it can be executed when RG
status is offline. This is for online roaming purpose.
Deactivate
Deactivate a RAID group; it can be executed when RG
status is online. This is for online roaming purpose.
Parity Check
Regenerate parity for the RAID group. It supports RAID
3 / 5 / 6 / 30 / 50 / 60.
Delete
Delete a RAID group.
Set preferred
owner
Set the RG ownership to the other controller.
Set disk property Change the disk property of write cache and standby
options.
Write cache:
 “Enabled”  Enable disk write cache. (Default)
 “Disabled”  Disable disk write cache.
Standby:
 “Disabled”  Disable auto spindown. (Default)
 “30 sec / 1 min / 5 min / 30 min”  Enable
hard drive auto spindown to save power when no
access after certain period of time.
Read ahead:
 “Enabled”  Enable disk read ahead. (Default)
 “Disabled”  Disable disk read ahead.
Command queuing:
 “Enabled”  Enable disk command queue.
(Default)
 “Disabled”  Disable disk command queue.
More information
Show RAID group detail information.