Additional Topics | IBM s/390 specification

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Chapter 5. Additional Topics

Most of this redbook is concerned with the installation of a basic, entry-level ThinkPad/EFS system. Many additional options and techniques can be used to enhance the entry-level system, and some of these and other topics are briefly discussed here.

© Copyright IBM Corp. 2001

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IBM s/390 manual Additional Topics

Contents

Bill Ogden ThinkPad Enabled for S/390Page International Technical Support Organization First Edition October Contents Shutting down Index Vi S/390 PID ThinkPad Enabled for S/390 Author Special notice Comments welcome IBM trademarks Introduction ThinkPad/EFS systems Purpose of this redbook FLEX-ES Positioning with other small S/390s Linux ThinkPad/EFS hardware used Terminology Disk planning System and Linux installation Differences Mount Point Device Requested Actual Type Purpose Linux installationThinkPad Partition Manually Partition 12.17.150 Device Partition Type Default Boot12.17.210 255.255.255.0 Gnome # df -h Installation notesMonitor Setup IBM 9513 T55A TFT No clock chip 24 bit Select Start X automatically # kill -s USR1 pidnumber PID number for xinetd Etc/xinetd.d # vi telnet# ps -ef grep xinetd 14 S/390 PID ThinkPad Enabled for S/390 FLEX-ES and OS/390 installation Brief introduction FLEX-ES PC Processor in ThinkPad Page Installation Installing the FLEX-ES license key # mkdir /s391 OS/390 AD systemsNext steps AD systems Basic CD-ROM formats 2 OS/390 on CD-ROM FLEX-ES formats 3 OS/390 device configuration Mount /dev/cdrom /mnt/cdrom Installation tasksUnzipping and installing Awsckd CD-ROM files An unzip program File ownership Minor problems Files unzip in wrong order Volume in two separate zip files FLEX-ES Operation Comments FLEX-ES system and resource definitions $ resadm -r Building a shell script$ cd /usr/flexes/rundir # resadm -s R10A.rescf $ sh shos Flexes ipl a80 0a82cs =stor IPL OS/390Terminal Solicitor A80,8 Operation and useUser terminal connection 11.42.47 Rmf Linux TN3270Iodf requirements System performance monitors 5 TCP/IP for OS/390 # exit Shutting down# resadm -T # resadm -k 36 S/390 PID ThinkPad Enabled for S/390 Additional Topics Basic debugging Server memory Operating Systems Messages consoleSecurity Vmstat command CPU Importance of Linux swapping # cat /proc/partitions Using a second Linux hard diskUltrabay Second disk planning Device Volser Addr Use Disk layout AD systemPartition Mount Size Use Alternative method FLEX-ES FakeTape on OS/390 222222 560 Multi-system setup Function Keys Used X3270 client$ x3270 -model 3 -keymap pc -port tn3270 localhost $ x3270 -model 3 -keymap pc -port tn3270 localhostt91f # vi # cd /usr/lib/X11/app-defaults # cp X3270 X3270oldRemote resources System B Disk caches Writes Cache Hits FSI Channel Adapters Tuning cachesize Disk fragmentation Backup and restore considerationsScsi adapter for the ThinkPad $ tar -cvzf /holding/OS39RA.tarz /s390/OS39RA Using tar to back up S/390 volumes $ cd /usr/flexes/rundir $ sh buOS39RAc Using tar and ftp CD-RW drive 16 S/390 identification RAS discussion Display PSW and registers Linux windows Verify ckd disk ThinkPad power control Installing FLEX-ES upgrades Common commands Useful Linux commands Text editors Multiple consoles, sessions, screens 62 S/390 PID ThinkPad Enabled for S/390 Frequently asked questions 64 S/390 PID ThinkPad Enabled for S/390 Frequently asked questions 66 S/390 PID ThinkPad Enabled for S/390 Frequently asked questions 68 S/390 PID ThinkPad Enabled for S/390 Basic definitions for a single HDD Appendix A. FLEX-ES definition listings Shell script for a single HDD Definitions for two HDDs Shell script for two HDDs System definitions Appendix B. FLEX-ES parameters Cpu0 Cpu1 Cpu2 Emulated control unit types Resource definitions Typical resource definitions Emulated device types CKD disk resources Terminal resources LAN resources Tape resources Cloned devices Common rules Resadm command CLI commands 560 Home/tape3 Flexes mount A90 S390/WORK01710 Altcons 84 S/390 PID ThinkPad Enabled for S/390 Special notices 86 S/390 PID ThinkPad Enabled for S/390 Other resources How to get IBM RedbooksIBM Redbooks Referenced Web sites IBM Redbooks collections Index Pipe Port Power control Terminal logo Terminal Solicitor 16, 18, 31, 39, 65 92 S/390 PID ThinkPad Enabled for S/390 Partners in Development ThinkPad Enabled for S/390 Page Page System setup AD CD-ROM use System operation ThinkPad Enabled for S/390