EMC Symmetrix Thin Tier Performance

Table: EMC Symmetrix Tier Performance

Metric	Description
Host Reads	The average time it took the disk to serve one read command.
Host Writes	The average time it took the disk to serve one write command.
Host Hits	The number of host read/write operations performed each second by the group that were immediately satisfied from cache.
Host MBs	Cumulative number of host read/writes per second by the group, in MB per second.
Read Response Time	The average time taken by the array to serve one read I/O operation.
Write Response Time	The average time taken by the array to serve one write I/O operation.
Total Pool Capacity	Total physical capacity of the pool of storage. This is derived from the sum of capacities of data devices (enabled or disabled) in the pool.
Enabled Pool Capacity	The some of all the enabled data devices in the pool.
Used Pool Capacity	The amount of capacity that has been used from the bound pool.
Allocated Pool Capacity	From the enabled capacity, this is the amount of capacity that is bound to thin devices.