D-Link DSN-656 User Manual - Page 71

Create, Virtual Disk Name, Data Storage, Stripe Size KB, Block Size Bytes, Cache Mode, Priority

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1. Click Create button. D-Link Document - User Manual 2. Enter a Virtual Disk Name for the virtual disk. 3. Select a Data Storage from the drop-down list. 4. Enter your required Size. 5. Optionally, configure the following: 。 Stripe Size (KB): The options are 4KB, 8KB, 16KB, 32KB, and 64KB. The default value is 64KB. 。 Block Size (Bytes): The options are 512 to 65536. The default value is 512 bytes. 。 Cache Mode: The options are Write-through Cache and Write-back Cache. The default value is Write-back Cache. 。 Priority: The options are High, Medium and Low Priority. The default value is High priority. 。 Bg Rate: Background task priority. The higher number the background priority of a virtual disk has, the more background I/O will be scheduled to execute. The options are 0 to 4. The default value is 4. 。 Read-Ahead: The system will discern what data will be needed next based on what was just retrieved form disk and then preload this data into the disks buffer. This feature will improve performance when the data being retrieved is sequential. The default value is Enabled. 。 AV-Media Mode: Optimize for video editing. The default value is Disabled. 。 Erase: This option is available when the RAID group is not thin provisioning. This option will wipe out old data in the virtual disk to prevent OS from recognizing the old Copyright@2014 D-Link System, Inc. All Rights Reserved. 71

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D-Link Document – User Manual
1.
Click
Create
button.
2.
Enter a
Virtual Disk Name
for the virtual disk.
3.
Select a
Data Storage
from the drop-down list.
4.
Enter your required
Size
.
5.
Optionally, configure the following:
。
Stripe Size (KB):
The options are 4KB, 8KB, 16KB, 32KB, and 64KB. The default value is
64KB.
。
Block Size (Bytes):
The options are 512 to 65536. The default value is 512 bytes.
。
Cache Mode:
The options are Write-through Cache and Write-back Cache. The default
value is Write-back Cache.
。
Priority:
The options are High, Medium and Low Priority. The default value is High
priority.
。
Bg Rate:
Background task priority. The higher number the background priority of a
virtual disk has, the more background I/O will be scheduled to execute. The options
are 0 to 4. The default value is 4.
。
Read-Ahead:
The system will discern what data will be needed next based on what
was just retrieved form disk and then preload this data into the disks buffer. This
feature will improve performance when the data being retrieved is sequential. The
default value is
Enabled
.
。
AV-Media Mode:
Optimize for video editing. The default value is
Disabled
.
。
Erase:
This option is available when the RAID group is not thin provisioning. This option
will wipe out old data in the virtual disk to prevent OS from recognizing the old
71
Copyright@2014 D-Link System, Inc. All Rights Reserved.