Adding a Cache, Meta, or Log Device to an Existing Storage Pool (CLI)
Use the following task to add a read cache device or log device to an existing storage pool.
Before You Begin
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For recommendations on how many drives to select per pool, as well as other considerations and guidelines, see Storage Pool Concepts.
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You must select the same data profile currently used in the existing pool. To understand the different data profiles, see Data Profiles for Storage Pools.
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Do not perform a pool configuration operation while a disk firmware upgrade is occurring. To check if an upgrade is in progress, navigate to
maintenance system updates
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A meta device must be a 3.2 TB (minimum) SSD to support the enhanced data deduplication feature available in software version OS8.7.0 or later.