HP StorageWorks 2300 Family Modular Smart Array CLI reference guide (500912-002, July 2010)

HP StorageWorks 2000 G2 Modular Smart Array CLI Reference Guide 119
show cache-parameters
Description Shows cache settings and status for the system and optionally for a volume.
Syntax
show cache-parameters [volume]
Parameters volume
Optional. Name or serial number of the volume to show settings for. For syntax, see Command
syntax. If this parameter is not specified, only system-wide settings are shown.
Output System/controller cache parameters:
Operation Mode
The operation mode, also called the redundancy mode.
• Active-Active ULP: Both controllers are active using ULP (Unified LUN Provisioning).
• Single-Controller: There is only a single controller in the enclosure.
Write Back Status
Shows whether write-back caching is enabled for the controller
CompactFlash Status
Shows whether the controller’s CompactFlash card is installed
Cache Flush
Shows whether cache flush is enabled for the controller
Volume cache parameters:
Serial Number
If a volume is specified, its serial number
Name
If a volume is specified, its name
Cache Write Policy
If a volume is specified, its cache policy, either write-back or write-through
Cache Optimization
If a volume is specified, its cache optimization mode, either standard (random) or super-sequential
Read Ahead Size
If a volume is specified, its read-ahead cache setting