Dell PowerVault MD3000i Command Line Interface Guide - Page 182
Set Storage Array, cacheBlockSizeValue, hostTypeIdentifier, delayValue, password, storageArrayName
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Set Storage Array This command defines the properties of the storage array. Syntax set storageArray cacheBlockSize= cacheBlockSizeValue defaultHostType= ("hostTypeName" | hostTypeIdentifier) failoverAlertDelay=delayValue | mediaScanRate=(disabled | 1-30) | password="password" | userLabel="storageArrayName" Parameters Parameter cacheBlockSize Description Specifies the cache block size used by the RAID controller module for managing the cache. Valid values are 4 (4 KB) or 16 (16 KB), the default value is 4. NOTE: Typically, this parameter should not be changed from the default. The default setting has been set based on best performance for all environments. NOTE: When defining cache block sizes, the 4-KB cache block size is best suited for systems that require I/O streams that are typically small and random. The 16-KB cache block size is more useful for systems that require large data transfer, sequential, high bandwidth applications. This parameter defines the cache block size for all virtual disks in the storage array. For redundant configurations, this parameter includes all virtual disks owned by both controllers within the storage array. 182 Script Commands