Rank specific commands

There are specific DS CLI commands that are used to create, modify, and delete ranks and to display rank information.

The following rank specific commands are available:
chrank
Assigns an unassigned rank to an extent pool or removes an assigned rank from a extent pool. This command can also be used to change an assigned rank to an unassigned rank.
lsrank
Generates a report that displays a list of defined ranks in a storage system and the status information for each rank in the list.
mkrank
Creates one fixed block or count key data (CKD) rank from one array.
rmrank
Deletes the specified ranks from a storage system.
showrank
Generates two types of reports. One report displays the detailed properties of a specified rank. The other report displays the performance metrics of a specified rank.