IBM DS8000 manual Introduction, Functionality

11.1 Introduction

The IBM TotalStorage DS Command-Line Interface (the DS CLI) is a software package that allows open systems hosts to invoke and manage Copy Services functions as well as to configure and manage all storage units in a storage complex. The DS CLI is a full-function command set. In addition to the DS6000 and DS8000, the DS CLI can also be used to manage Copy Services on the ESS 750s and 800s, provided they are on ESS code versions 2.4.2.x and above. All references in this chapter to the ESS 800 also apply to the ESS 750. Equally, references to the ESS F20 also apply to the ESS E20.

Examples of what you can perform include:

￿Display and change your storage configuration, for example, create and assign volumes.

￿Display existing Copy Services relationships and settings, for example, confirm that remote copy relationships are active and in sync.

￿Create new Copy Services relationships and settings, for example, create a new FlashCopy relationship.

For users of the ESS 800, the DS CLI provides the following new capabilities:

￿The ability to create a remote copy relationship between the ESS 800 and the DS8000 or DS6000.

￿The ability to establish dynamic FlashCopy and remote copy relationships on ESS 800 storage servers without using saved tasks.

Prior to the DS CLI, the ESS Copy Services CLI generally did not allow a script to directly invoke a FlashCopy or Remote Mirror and Copy relationship. Instead, a task had to be created and saved first, using the Web Copy Services GUI. A script could then invoke this saved task. Now with the DS CLI, commands can be saved as scripts, which significantly reduces the time to create, edit and verify their content.

The DS CLI uses a syntax that is consistent with other IBM TotalStorage products. All new products will also use this same syntax.

Important reference manuals for users of the DS CLI are the IBM TotalStorage DS8000 Command-Line Interface User’s Guide, SC26-7625, and IBM TotalStorage DS6000 Command-Line Interface User’s Guide, SC26-7681. These can be downloaded by going to the relevant section of the following Web site:

http://www-1.ibm.com/servers/storage/support/disk/index.html

11.2 Functionality

The DS CLI can be used to invoke the following storage configuration tasks:

￿Create userids that can be used with both the DS CLI and the GUI

￿Manage userid passwords

￿Install activation keys for licensed features

￿Manage storage complexes and units

￿Configure and manage storage facility images

￿Create and delete RAID arrays, ranks, and extent pools

￿Create and delete logical volumes

232DS8000 Series: Concepts and Architecture