Viewing Virtual Drive Properties

Select a virtual drive from a drive group in the controller dashboard to view its properties.

The following figure and table describe the virtual drive properties.

Figure 4. Virtual Drive Properties

Table 6. Virtual Drive Properties

Property	Description	MegaRAID	iMegaRAID	Software- RAID	Initiator- Target
Status	The current status of the virtual drive. The following options are available: Optimal Partially Degraded Degraded Offline	Yes	Yes	Yes	No
Read Policy	The read cache policy for the virtual drive. The following options are available: Read Ahead No Read Ahead	Yes	Yes	Yes	No
Write Policy	The write cache policy for the virtual drive. The following options are available: Write Back Write Through Always Write Back	Yes	Yes	Yes	No
IO Policy	The input/output policy for the virtual drive. The following options are available: Direct IO Cached IO	Yes	Yes	Yes	No
Host Access Policy NOTE  This property appears only if the controller supports High Availability DAS.	Indicates whether or not the virtual drive is shared between the servers in a cluster. The values for this property are Shared, Exclusive, and Exclusive to Peer Controller.	No	No	No	No
Peer Has No Access NOTE  This property appears only if the controller supports High Availability DAS.	Indicates whether the peer controller has access to the shared virtual drive. This property appears only if the virtual drive is shared.	No	No	No	No
Access Policy	The access policy for the virtual drive. The following options are available: Read Write Read Only Hidden The Hidden policy is applicable for only hidden VDs. No other access policies will be applicable once you select Hidden as the access policy.	Yes	Yes	No	No
Drive Cache	The virtual drive cache setting. The following possible options are available: Unchanged Enable Disable	Yes	Yes	Yes	No
Data Protection	Indicates if data protection feature is enabled for the virtual drive.	Yes	Yes	Yes	No
SSD Caching	Indicates if SSD caching is enabled.	Yes	Yes	No	No