IMS Version 9 runs on all IBM processors that are capable of running z/OS System Product Version 1 Release 4 or later. IMS Version 9 can run on either 64-bit processors or 32-bit processors.

For all system libraries and working storage space, any device that is supported by the operating system is allowed.

For IMS database storage, any device that is supported by the operating system is allowed within the capabilities and restrictions of Basic Sequential Access Method (BSAM), Queued Sequential Access Method (QSAM), Overflow Sequential Access Method (OSAM), and Virtual Storage Access Method (VSAM).

Details about the DASD storage requirements for the following items are listed in the IMS Version 9: Program Directory for Information Management System Transaction and Database Servers:

• SMP/E system entries
• SMP/E data sets
• Target libraries
• Distribution libraries
• Install process
• Optional machine-readable material