D-Link DSN-626 User Manual - Page 67

Thin Provisioning, Preferred Controller

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D-Link Document - User Manual 2. Enter a RAID Name for the RAID group. 3. Select a RAID Level from the drop-down list. 4. Click the Select Disks button to select disks from either local or expansion JBOD systems, and click OK to complete the selection. The selected disks are displayed at RAID Disks. 5. Optionally, configure the following: 。 Preferred Controller: This option is only visible when dual controllers are installed. The default value is Auto. 。 Thin Provisioning: This option is only visible when the thin provisioning feature is enabled. The default value is Disabled. 。 Write Cache: Enable or disable the write cache option of the hard drives. The default value is Disabled. 。 Standby: Enable or disable the auto spin down function of the hard drives. When this option is enabled and the hard drives have no I/O access after a certain period of time, they will spin down automatically. The default value is Disabled. 。 Read-Ahead: Enable or disable the read ahead function. The default value is Enabled. 。 Command Queuing: Enable or disable the hard drives' command queue function. The default value is Enabled. 6. At the confirmation dialog, click OK button to create the RAID group. TIP:  For the DSN-6200/6500 Series the maximum number of physical drives in a RAID group is 64. Copyright@2014 D-Link System, Inc. All Rights Reserved. 67

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D-Link Document – User Manual
2.
Enter a
RAID Name
for the RAID group.
3.
Select a
RAID Level
from the drop-down list.
4.
Click the
Select Disks
button to select disks from either local or expansion JBOD systems, and
click
OK
to complete the selection. The selected disks are displayed at
RAID Disks
.
5.
Optionally, configure the following:
。
Preferred Controller:
This option is only visible when dual controllers are installed. The
default value is
Auto
.
。
Thin Provisioning:
This option is only visible when the thin provisioning feature is
enabled. The default value is
Disabled
.
。
Write Cache:
Enable or disable the write cache option of the hard drives. The default
value is
Disabled.
。
Standby:
Enable or disable the auto spin down function of the hard drives. When this
option is enabled and the hard drives have no I/O access after a certain period of time,
they will spin down automatically. The default value is
Disabled.
。
Read-Ahead:
Enable or disable the read ahead function. The default value is
Enabled
.
。
Command Queuing:
Enable or disable the hard drives’ command queue function. The
default value is
Enabled.
6.
At the confirmation dialog, click
OK
button to create the RAID group.
TIP:
For the DSN-6200/6500 Series the maximum number of physical drives
in a RAID group is 64.
67
Copyright@2014 D-Link System, Inc. All Rights Reserved.