# TotalStorageDS Rank

The TotalStorage® Ranks attributes provide performance information about the ranks in a TotalStorageDS storage facility.

Average Read Resp: The average read response time to the rank over the interval, in milliseconds.

Average Write Resp: The average write response time to the rank over the interval, in milliseconds.

Avg Bytes/ Read Op: The average number of bytes per read operation.

Avg Bytes/ Write Op: The average number of bytes per write operation.

Bytes Read Per Sec: The rate per second at which bytes were read from the rank over the interval.

Bytes Written Per Sec: The rate per second at which bytes were written to the rank over the interval.

Extent Pool ID: The extent pool identifier.

Managed System: An internal node name used to identify the system from which this row of data was obtained.

Number of Arrays: The total number of arrays that make up the rank.

Rank ID: The identification number of the rank.

Read Ops Per Sec: The rate per second that read operations were issued to the rank over the interval.

SSD Rank: Indicates that the rank is backed by SSD arrays.

Storage Facility ID: The storage facility identifier for the device (Type-Model-Serial Number).

Time Stamp: The date and time associated with this row of data.

Total Bytes Read: The total number of bytes read from the rank over the interval.

Total Bytes Written: The total number of bytes written to the rank over the interval.

Total Read Ops: The total number of read operations issued to the rank over the interval.

Total Read Resp: The total read response time to the rank over the interval, in milliseconds.

Total Write Ops: The total number of write operations issued to the rank over the interval.

Total Write Resp: The total write response time to the rank over the interval, in milliseconds.

Write Ops Per Sec: The rate per second that write operations were issued to the rank over the interval.