Dell PowerVault ME4 Series Storage System CLI Guide

tiers

This basetype is used by show pools and show tiers.

Table 1. tiers properties
Name	Type	Description
serial-number	string	The serial number of the tier.
pool	string	The name of the pool.
tier	string	Archive: The lowest storage tier, which uses midline spinning SAS disks (<10k RPM, high capacity). Performance: The highest storage tier, which uses SSDs (high speed). Read Cache: The tier that provides read cache for a storage pool. Standard: The tier that uses enterprise-class spinning SAS disks (10k/15k RPM, higher capacity).
tier-numeric	uint32	Numeric equivalents for tier values. 0: N/A 1: Performance 2: Standard 4: Archive 8: Read Cache
pool-percentage	uint8	The percentage of pool capacity that the tier occupies.
diskcount	uint8	The number of disks in the tier.
raw-size	string	The raw capacity of the disks in the tier, irrespective of space reserved for RAID overhead and so forth, formatted to use the current base, precision, and units.
raw-size-numeric	uint64	Unformatted raw-size value in blocks.
total-size	string	The total capacity of the tier.
total-size-numeric	uint64	Unformatted total-size value in blocks.
allocated-size	string	The amount of space currently allocated to volumes in the tier.
allocated-size- numeric	uint64	Unformatted allocated-size value in blocks.
available-size	string	The available capacity in the tier.
available-size-numeric	uint64	Unformatted available-size value in blocks.
affinity-size	string	The total size of volumes configured to have affinity for that tier.
affinity-size-numeric	uint64	Unformatted affinity-size value in blocks.