Viewing Volume Properties

Select a volume from an array in the Controller Dashboard to view its properties.

Table 1. Volume Properties
Property Description
State The current status of the volume. These options are available:
  • Optimal
  • Partially Degraded
  • Degraded
  • Offline
Current Read Cache Status The current read cache status for the volume. These options are available:
  • Read Ahead
  • No Read Ahead
Default Read Cache Status The default read cache status for the volume. These options are available:
  • Read Ahead
  • No Read Ahead
Current Write Cache Status The current write cache status for the volume. These options are available:
  • Write Through
  • Write Back
  • Always Write Back
Default Write Cache Status The default write cache status for the volume. These options are available:
  • Write Through
  • Write Back
  • Always Write Back
Default IO Policy The input/output policy for the volume. These options are available:
  • Direct IO
  • Cached IO
Access Policy The access policy for the volume. These options are available:
  • Read Write
  • Read Only
  • Hidden – The Hidden policy is applicable for only hidden volumes. No other access policies are applicable after you select Hidden as the access policy.
Write Cache Status The current state of the write-back cache. The status depends on the battery status and the controller status for write-back operations.
  • Enabled – When the current cache policy is Write Back.
  • Disabled – The current cache policy is Write Through, JBOD, or Always Write Back.
  • Temporarily Disabled – The firmware is moving to Write Back or Write Through. For example, pinned cache, the firmware is downloading, or reconstruction and charging is occuring.
Drive Write Cache Policy The volume cache setting. These options are available:
  • Unchanged
  • Enable
  • Disable