Dell PowerVault MD3200 CLI Guide - Page 237

Parameter segmentSize cacheReadPrefetch securityType Description Amount of data (in kilobytes) that the RAID controller module writes on a single physical disk in a virtual disk before writing data on the next physical disk. Valid values are 8, 16, 32, 64, 128, 256, or 512. For information about the segmentSize parameter, see "Using the Auto Configure Command" on page 53. The setting to turn on or turn off cache read prefetch. To turn off cache read prefetch, set this parameter to FALSE. To turn on cache read prefetch, set this parameter to TRUE. The setting to specify the security level when creating the disk groups and all associated virtual disks. These settings are valid: • none -The disk group and virtual disks are not secure. • capable-The disk group and virtual disks are capable of having security set, but security has not been enabled. • enabled-The disk group and virtual disks have security enabled. Show Storage Array Host Topology This command returns storage partition topology, host type labels, and host type index for the host storage array. Syntax show storageArray hostTopology Parameters None. Script Commands 237