D-Link DSN-610 User Manual for DSN-6110 & DSN-6110 with DSN-610 - Page 55

Parity check

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RAID Current owner Preferred owner  "Failed"  the RAID group fails.  "Degraded"  the RAID group is not healthy and not completed. The reason could be lack of disk(s) or have failed disk The RAID level of the RAID group. The owner of the RAID group. The default owner is controller 1. The preferred owner of the RAID group. The default owner is controller 1. • RG operation description: Create Create a RAID group. Migrate Activate Deactivate Parity check Delete Change the RAID level of a RAID group. Please refer to next chapter for details. Activate the RAID group after disk roaming; it can be executed when RG status is offline. This is for online disk roaming purpose. Deactivate the RAID group before disk roaming; it can be executed when RG status is online. This is for online disk roaming purpose. Regenerate parity for the RAID group. It supports RAID 3 / 5 / 6 / 30 / 50 / 60. Delete the 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. 55

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55
“Failed”
the RAID group fails.
“Degraded”
the RAID group is not healthy and not
completed. The reason could be lack of disk(s) or have
failed disk
RAID
The RAID level of the RAID group.
Current
owner
The owner of the RAID group. The default owner is controller 1.
Preferred
owner
The preferred owner of the RAID group. The default owner is
controller 1.
•
RG operation description:
Create
Create a RAID group.
Migrate
Change the RAID level of a RAID group. Please refer to next
chapter for details.
Activate
Activate the RAID group after disk roaming; it can be executed
when RG status is offline. This is for online disk roaming
purpose.
Deactivate
Deactivate the RAID group before disk roaming; it can be
executed when RG status is online. This is for online disk
roaming purpose.
Parity check
Regenerate parity for the RAID group. It supports RAID 3 / 5 / 6
/ 30 / 50 / 60.
Delete
Delete the 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.