Lenovo ThinkServer RD240 Software User's Manual page 320

Figure 9.12 Virtual Drive Properties
9-20
The RAID level, stripe size, and access policy of the virtual drive are set
when it is configured.
Note: You can change the read policy, write policy, and other
virtual drive properties by selecting Operations->Set
Virtual Drive Properties.
If the drives in the virtual drive are in an enclosure, you can identify them
by making their LEDs blink. To do this, follow these steps:
1. Click the virtual drive icon in the left panel.
2. Click the Operations tab in the right panel.
3. Select Locate Virtual Drive and click Go.
Monitoring System Events and Storage Devices