Changing the Segment Size of a Virtual Disk

Use the Change Segment Size option to change the  on a selected . During this operation, I/O performance is affected but your data remains available.

Important:

1

Select a virtual disk in the Logical View; then select Virtual Disk >> Change >> Segment Size.

2

Select the desired segment size.

3

Click Yes.

The segment size modification operation begins. The virtual disk icon in the Logical View will show an Operation in Progress status while the operation is taking place.

Note: To view the progress or change the priority of the modification operation, select a virtual disk in the disk group, then select Virtual Disk >> Change >> Modification Priority.

How Long Does a Change Segment Size Operation Take?

The operation is slower than other modification operations (for example, changing RAID levels or adding free capacity to a disk group) because of how the data is reorganized and because of the temporary internal backup procedures that occur during the operation.

How long a Change Segment Size operation can take depends on many variables, including the I/O load from the , the  of the virtual disk, the number of physical disks in the disk group, the number of , and the processing power of the  RAID controller modules.

If you want this operation to complete faster, you can change the modification priority, although this might decrease system I/O performance. To change the priority, select a virtual disk in the disk group, then select Virtual Disk >> Properties.

Related Topics

Learn About Segment Size and Performance

Learn About Virtual Disk Modification Priority and Performance