HP 2000fc Hp StorageWorks 2000 Family Modular Smart Array CLI reference guide - Page 157
show cache-parameters, active using ULP Unified LUN Provisioning, which
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show cache-parameters Description Shows cache settings for the storage system and optionally for a specified volume. Input show cache-parameters [volume] Parameter Description volume Optional. Specifies the volume by its name or serial number. For the syntax to use, see "Volume Syntax" on page 26. If this parameter is not specified, the volume-specific data is not displayed. Output Field Operation Mode Controller ID Write-back Status Volume Serial Volume Name Description The operation mode, also called the "redundancy mode." • Active-Active ULP: SAS only. Both controllers are active using ULP (Unified LUN Provisioning), which means 128 LUNs are available for mapping volumes. • Active-Active: FC and iSCSI only. Both controllers are active, and each has 128 LUNs for mapping volumes owned by that controller only. • Independent Cache Performance Mode: Cache mirroring and failover between controllers is disabled, which results in improved write performance but at a risk of loss of unwritten data if a controller failure occurs while there is data in the controller's cache memory. • Single-Controller: There is only a single controller in the enclosure. For each controller, shows whether write-back caching is enabled or disabled If a volume is specified, its serial number If a volume is specified, its name Chapter 3 Command Descriptions 157