IBM z/OS - page 81

– 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