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– an interface to dynamically change users in work-
loads, workload characteristics, and goals
– more fl exibility using the VMRM confi guration fi le when
managing multiple users
– improvements in the reliability and performance of the
VMRM service virtual machine’s monitor data handling
– serviceability enhancements including improved mes-
sages, logfi le entries, and new server options
• Simulating virtual FICON CTCA devices for guest oper-
ating systems enhances previous virtual-CTCA support
by adding the FICON protocol as an option for guest
operating systems. Guests use virtual CTCAs to commu-
nicate among themselves within a single z/VM system
image, without the need for real FICON CTCAs.
• Supporting real and virtual integrated 3270 console
devices. Real support enables this device, provided by
the Hardware Management Console (HMC) to be used
as the system operator console. Virtual support enables
testing of guest operating systems and utilities such as
Stand-Alone Program Loader (SAPL) and standalone
DASD Dump-Restore (DDR), that support the integrated
3270 console device.
• Delivering the Performance Toolkit for VM
™
to process
Linux performance data obtained from the Resource
Management Facility (RMF) Performance Monitoring
(PM) client application, rmfpms. Linux performance data
obtained from RMF is presented on display screens and
in printed reports similar to the way VM data is viewed
and presented.
With corresponding function available in Linux on zSeries
and S/390, z/VM 4.4 provides:
• The attachment of Small Computer System Interface
(SCSI) devices to guest Linux images using Fibre Chan-
nel Protocol (FCP) channels on zSeries processors
• IPL from FCP-attached disks for Linux and other guest
operating systems with necessary SCSI support, when
z/VM is running on a z990, z890, z900, or z800 server
equipped with the SCSI IPL Feature Enabler
• Enhanced page-fault handling
• Clear-key RSA functions of the IBM PCI Cryptographic
Coprocessor (PCICC) or the IBM PCI Cryptographic
Accelerator (PCICA) z/OS.e, OS/390, TPF, VSE/ESA,
z/VM 3.1, or VM/ESA are not supported nor can they
operate on IFL processor features. Only Linux workloads
in an LPAR or Linux guests of z/VM V4 can operate on
the IFL processor feature.
Exploiting New Technology
z/VM provides a highly fl exible test and production environ-
ment for enterprises deploying the latest e-business solutions.
Enterprises that require multi-system server solutions will fi nd
that z/VM helps them meet the demands of their businesses
and IT infrastructures with a broad range of support for such
operating system environments as z/OS, z/OS.e, OS/390, TPF,
VSE/ESA, CMS, and Linux on zSeries and S/390. The ability to
support multiple machine images and architectures enables
z/VM to run multiple production and test versions of zSeries
and S/390 operating systems, all on the same system. z/VM