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Dell PowerVault MD 34XX/38XX Series Storage Arrays CLI Guide

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Creating SSD Cache

To create ssdCache command SSD read cache: 
create ssdCache userLabel="
                                 ssdCacheName"
                                 physicalDisks=(
                                 enclosureID1,drawerID1,slotID1 ... enclosureIDn,drawerIDn,slotIDn)
                                 [updateExistingVirtualDisks=(TRUE|FALSE)]

The ssdCacheName parameter names the cache group. Setting the updateExistingVirtualDisks parameter to TRUE enables SSD caching for all virtual disks in the storage array.

The following restrictions apply:
  • A storage array can have only one SSD cache.
  • Only virtual disks created using physical disks can use the SSD cache. You cannot enable SSD cache on snapshot (legacy) virtual disks or snapshot images.

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