105
Copyright@2004~2014 Qsan Technology, Inc. All Rights Reserved.
Qsan Document – User Manual
Virtual Disks
The
Virtual Disks
tab provides to create, modify, delete, or view the status of the virtual disk. Use
the drop-down list at the top to change the drive size units (MB or GB).
This table shows the column descriptions.
Column Name
Description
Name
Virtual disk name.
Size (GB) or (MB)
Total capacity of the virtual disk. The unit can be displayed in GB or MB.
SSD Caching
The SSD caching policy:
Disable: Disable SSD caching.
Database: Enable SSD caching and set it as database policy.
File System: Enable SSD caching and set it as file system policy.
Web Service: Enable SSD caching and set it as web service policy.
Custom: Enable SSD caching and set it as customization policy.
Write
The right of virtual disk:
WT: Write Through.
WB: Write Back.
RO: Read Only.
Priority
The priority of virtual disk:
HI: High priority.
MD: Middle priority.
LO: Low priority.
Bg Rate
Background task priority:
4 / 3 / 2 / 1 / 0: Default value is 4. The higher number the
background priority of a VD is, the more background I/O will be
scheduled to execute.
Type
The type of the virtual disk:
RAID: the virtual disk is normal.
BACKUP: the virtual disk is for backup usage.
Clone
The clone target name of the virtual disk.
Schedule Clone
The clone schedule of the virtual disk.
Status
The status of the virtual disk:
Online: The virtual disk is online.
Offline: The virtual disk is offline.
Initiating: The virtual disk is being initialized.
Rebuilding: The virtual disk is being rebuilt.
Migrating: The virtual disk is being migrated.
Rollback: The virtual disk is being rolled back.
Parity checking: The virtual disk is being parity check.
Health
The health of virtual disk:
Optimal: the virtual disk is working well and there is no failed disk in
