NEC Express5800/320Fd-MR N8800-123F, EXP320K User Manual page 85

3-18 Windows Setup and Operation
Commands for RDR Virtual Disk
Verify RDR Virtual Disk
Whether the synchronization by RDR is performed normally can be checked.
1.
Start RDR Utility and right-click [RDR Virtual Disk x] in the left pane and click [Verify
RDR Virtual Disk].
2.
In the [Verify RDR Virtual Disk] dialog box, click [OK].
The progress of verification can be viewed using RDR Utility.
[Status] of RDR Virtual Disk x
TIPS:
The verification process is automatically performed every 1 week.
The time required for verification depends on the disk size and load.
Stop Verifying RDR Virtual Disk
Verification of RDR virtual disk in progress can be stopped.
1.
Start RDR Utility and right-click [RDR Virtual Disk x] in the left pane and click [Stop Verify
RDR Virtual Disk].
2.
In the [Stop Verify RDR Virtual Disk] dialog box, click [OK].
Set Resync Priority
Priority of synchronization by RDR can be specified. By changing the priority, I/O load during
synchronization can be reduced.
1.
Start RDR Utility, right-click [RDR Virtual Disk x] in the left pane and click [Set Resync
Priority].
2.
When a dialog box appears, select Low, Normal or High (a default is Normal) and click
[OK].
3.
In the [Set Resync Priority] dialog box, click [OK].
Set RDR LUN Load Balancing
On or off of load balancing can be specified.
When the load balancing is on (default), the read process is performed alternately from two physical
disks forming the RDR Virtual Disk to improve performance. When it is off, the read process is
performed from the physical disk specified as Active RDR Plex.
1.
Start RDR Utility, right-click [RDR Virtual Disk x] in the left pane to change the priority and
Verifying
Verify x percent
(x=0, 4, 8, ..., 96)
Verification completed
None