Viewing Logical Drive Properties Select a logical drive from an array in the controller dashboard to view its properties. Table 9. Logical Drive Properties Property Description Status The current status of the logical drive. The following options are available: Optimal Partially Degraded Degraded Offline Read Policy The read cache policy for the logical drive. The following options are available: Read Ahead No Read Ahead Write Policy The write cache policy for the logical drive. The following options are available: Write Through Write Back Always Write Back IO Policy The input/output policy for the logical drive. The following options are available: Direct IO Cached IO Host Access Policy NOTE This property appears only if the controller supports High Availability DAS. Indicates whether or not the logical drive is shared between the servers in a cluster. The values for this property are Shared, Exclusive, and Exclusive to Peer Controller. Access Policy The access policy for the logical drive. The following options are available: Read Write Read Only Hidden The Hidden policy is applicable for only hidden logical drives. No other access policies will be applicable once you select Hidden as the access policy. Drive Cache The logical drive cache setting. The following possible options are available: Unchanged Enable Disable Data Protection Indicates if data protection feature is enabled for the logical drive. SSD Caching Indicates if SSD caching is enabled.
Viewing Logical Drive Properties
Select a logical drive from an array in the controller dashboard to view its properties.
Table 9. Logical Drive Properties
Property
Description
Status
The current status of the logical drive. The following options are available:
Optimal
Partially Degraded
Degraded
Offline
Read Policy
The read cache policy for the logical drive. The following options are available:
Read Ahead
No Read Ahead
Write Policy
The write cache policy for the logical drive. The following options are available:
Write Through
Write Back
Always Write Back
IO Policy
The input/output policy for the logical drive. The following options are available:
Direct IO
Cached IO
Host Access Policy
NOTE This property appears only if the controller supports High Availability DAS.
Indicates whether or not the logical drive is shared between the servers in a cluster. The values for this property are Shared, Exclusive, and Exclusive to Peer Controller.
Access Policy
The access policy for the logical drive. The following options are available:
Read Write
Read Only
Hidden
The Hidden policy is applicable for only hidden logical drives. No other access policies will be applicable once you select Hidden as the access policy.
Drive Cache
The logical drive cache setting. The following possible options are available:
Unchanged
Enable
Disable
Data Protection
Indicates if data protection feature is enabled for the logical drive.
SSD Caching
Indicates if SSD caching is enabled.