Draft Document for Review January 13, 2020 5:02 pm 8456ch_CopyServices.fm Chapter 5. DS8000 Copy Services overview  131 Many design characteristics of the DS8000, its data copy and mirror capabilities, and features  contribute to the full-time protection of your data. The information that is provided in this chapter is only an overview. Copy Services are  covered in more detail in the following materials: You control and manage the DS8000 Copy Services functions by using the following  interfaces: 5.1.2 Copy Services management interfaces 5.2 FlashCopy FlashCopy creates a point-in-time copy of the data. For open systems, FlashCopy creates a  copy of the logical unit number (LUN). The target LUN must exist before you can use  FlashCopy to copy the data from the source LUN to the target LUN. When a FlashCopy operation is started, it takes less than a second to establish the  FlashCopy relationship, which consists of the source and target volume pairing and the  necessary control bitmaps. Thereafter, a copy of the source volume is available as though all  the data was copied. When the pair is established, you can read and write to the source and  target volumes. IBM Z users can also use the following interfaces: GLYPH<SM590000> Data Storage Command-Line Interface (DS CLI), which provides a set command that  covers all Copy Services functions and options. GLYPH<SM590000> IBM Copy Services Manager (CSM), formerly known as  Tivoli® Storage Productivity  Center for Replication , to manage large Copy Services implementations easily and to  provide data consistency across multiple systems. CSM is preinstalled on the Hardware  Management Console (HMC) and can also be installed on a stand alone server or virtual  machine.  GLYPH<SM590000> IBM Storage Manager, the Graphical User Interface (GUI) of the DS8000 (DS GUI). GLYPH<SM590000> DS Open Application Programming Interface (DS Open API). GLYPH<SM590000> Time Sharing Option (TSO) commands GLYPH<SM590000> Device Support Facilities (ICKDSF) utility commands GLYPH<SM590000> ANTRQST Application Programming Interface (API) GLYPH<SM590000> Data Facility Storage Management Subsystem data set services (DFSMSdss) utility GLYPH<SM590000> DSCLI on z/OS (see 12.1.4, “Installing  the DS CLI on z/OS System” on page 374) GLYPH<SM590000> DS8000 Copy Services , SG24-8367  GLYPH<SM590000> DS8000 Cascading FlashCopy Design and Scenarios , REDP-5463 GLYPH<SM590000> IBM DS8870 Multiple Target Peer-to-Peer Remote Copy , REDP-5151 GLYPH<SM590000> IBM DS8880 SafeGuarded Copy , REDP-5506