IBM DS6000 Series manual Other multipathing solutions, Ds Cli

When you click the Subsystem Device Driver downloads link, you will be presented a list of all operating systems for which SDD is available. Selecting one leads you to the download packages, the SDD User’s Guide, SC30-4096, and additional support information. The user’s guide contains all the information that is needed to install, configure, and use SDD for all supported operating systems.

For some operating systems additional information about SDD can be found in Appendix A, “Operating systems specifics” on page 299.

Note: SDD and RDAC, the multipathing solution for the IBM TotalStorage DS4000 series, can coexist on most operating systems, as long as they manage separate HBA pairs. Refer to the documentation of your DS4000 series storage system for detailed information.

IBM AIX alternatively offers MPIO, a native multipathing solution. It allows the use of Path Control Modules (PCMs) for optimal storage system integration. IBM provides SDDPCM, a

PCM with the SDD full functionality. See “IBM AIX” on page 303 for more detail.

IBM OS/400 V5R3 doesn't use SDD. It provides native multipath support since V5R3. For details refer to Appendix B, “Using the DS6000 with iSeries” on page 329.

14.3 Other multipathing solutions

Some operating systems come with native multipathing software, for example:

￿SUN StorEdge Traffic Manager for SUN Solaris

￿HP PVLinks for HP UX

￿IBM AIX native multipathing (MPIO) (see“IBM AIX” on page 303)

￿IBM OS/400 V5R3 multipath support (see Appendix B, “Using the DS6000 with iSeries” on page 329)

In addition there are third party multipathing solutions, such as Veritas DMP, which is part of Veritas Volume Manager.

Most of these solutions are also supported for DS6000 attachment, although the scope may vary. There may be limitations for certain host bus adapters or operating system versions. Always consult the DS6000 Interoperability Matrix for the latest information.

14.4 DS CLI

The DS Command-Line Interface (DS CLI) provides a command set to perform almost all monitoring and configuration tasks on the DS6000. This includes the ability to:

￿Verify and change the storage unit configuration, with some limitations

￿Check the current logical storage and Copy Services configuration

￿Create new logical storage and Copy Services configuration settings

￿Modify or delete logical storage and Copy Services configuration settings

Limitation: Some basic configuration tasks cannot be performed using the DS CLI, such as creating a storage complex or adding a storage unit to a storage complex.

Chapter 14. Open systems support and software 281