HP StorageWorks XP Disk Array Mainframe Host Attachment and Operations Guide (A5951-96154, September 2010)

1 Overview of mainframe operations
This chapter provides an overview of mainframe host attachment issues, functions, and operations.
Mainframe compatibility and functionality
The XP24000/XP20000 disk arrays provide full System-Managed Storage (SMS) compatibility and
support the following features in the mainframe environment:
• Sequential data striping
• Cache fast write (CFW) and DASD fast write (DFW)
• Enhanced dynamic cache management
• Extended count key data (ECKD) commands
• Multiple Allegiance
• Concurrent Copy (CC)
• Peer-to-Peer Remote Copy (PPRC)
• Extended Remote Copy (XRC)
• FlashCopy
• Parallel Access Volume (PAV)
• Enhanced Channel Command Word (CCW)
• Priority I/O queuing
• Red Hat Linux for IBM S/390 and zSeries
The following table lists the mainframe operating systems currently supported by the storage system.
Contact your HP representative for the latest information on mainframe operating system support.
Table 1 Mainframe operating system support
Operating systemsVendor
OS/390
IBM
MVS/ESA, MVS/XA
VM/ESA, VSE/ESA
z/OS, z/OS.e, z/VM, z/VSE
TPF
Linux for IBM S/390 and zSeriesRed Hat
MSPFujitsu
XP Disk Array Mainframe Host Attachment and Operations Guide 7