IBM s/390 manual First Edition October

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Take Note! Before using this information and the product it supports, be sure to read the general information in “Special notices” on page 85.

First Edition (October 2001)

This edition applies to the OS/390 AD CD-ROM and FLEX-ES versions available at the time this book was published.

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Contents ThinkPad Enabled for S/390 Bill OgdenPage International Technical Support Organization First Edition October Contents Shutting down Index Vi S/390 PID ThinkPad Enabled for S/390 Special notice AuthorIBM trademarks Comments welcomeIntroduction Purpose of this redbook ThinkPad/EFS systemsFLEX-ES Linux Positioning with other small S/390sThinkPad/EFS hardware used Terminology System and Linux installation Disk planningDifferences Linux installation ThinkPadPartition Manually Partition Mount Point Device Requested Actual Type PurposeDevice Partition Type Default Boot 12.17.210255.255.255.0 12.17.150Gnome Installation notes Monitor Setup IBM 9513 T55A TFT No clock chip 24 bitSelect Start X automatically # df -h# ps -ef grep xinetd Etc/xinetd.d # vi telnet# kill -s USR1 pidnumber PID number for xinetd 14 S/390 PID ThinkPad Enabled for S/390 FLEX-ES and OS/390 installation FLEX-ES Brief introductionPC Processor in ThinkPad Page Installation Installing the FLEX-ES license key OS/390 AD systems Next stepsAD systems # mkdir /s3912 OS/390 on CD-ROM Basic CD-ROM formats3 OS/390 device configuration FLEX-ES formatsInstallation tasks Unzipping and installing Awsckd CD-ROM filesAn unzip program Mount /dev/cdrom /mnt/cdromMinor problems File ownershipVolume in two separate zip files Files unzip in wrong orderFLEX-ES Operation FLEX-ES system and resource definitions CommentsBuilding a shell script $ cd /usr/flexes/rundir# resadm -s R10A.rescf $ resadm -r$ sh shos Flexes ipl a80 0a82cs Terminal Solicitor IPL OS/390=stor Operation and use User terminal connection11.42.47 A80,8Linux TN3270 Iodf requirementsSystem performance monitors Rmf5 TCP/IP for OS/390 Shutting down # resadm -T# resadm -k # exit36 S/390 PID ThinkPad Enabled for S/390 Additional Topics Basic debugging Security Operating Systems Messages consoleServer memory Vmstat command Importance of Linux swapping CPUUltrabay Using a second Linux hard disk# cat /proc/partitions Second disk planning Partition Mount Size Use Disk layout AD systemDevice Volser Addr Use FLEX-ES FakeTape on OS/390 Alternative method560 222222Multi-system setup X3270 client $ x3270 -model 3 -keymap pc -port tn3270 localhost$ x3270 -model 3 -keymap pc -port tn3270 localhostt91f Function Keys UsedRemote resources # cd /usr/lib/X11/app-defaults # cp X3270 X3270old# vi Disk caches System BWrites Cache Hits Tuning cachesize FSI Channel AdaptersScsi adapter for the ThinkPad Backup and restore considerationsDisk fragmentation Using tar to back up S/390 volumes $ tar -cvzf /holding/OS39RA.tarz /s390/OS39RAUsing tar and ftp $ cd /usr/flexes/rundir $ sh buOS39RAc16 S/390 identification CD-RW driveDisplay PSW and registers RAS discussionVerify ckd disk Linux windowsInstalling FLEX-ES upgrades ThinkPad power controlUseful Linux commands Common commandsMultiple consoles, sessions, screens Text editors62 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 Appendix A. FLEX-ES definition listings Basic definitions for a single HDDShell script for a single HDD Definitions for two HDDs Shell script for two HDDs Appendix B. FLEX-ES parameters System definitionsCpu0 Cpu1 Cpu2 Resource definitions Emulated control unit typesEmulated device types Typical resource definitionsCKD disk resources Terminal resources Tape resources LAN resourcesCloned devices Resadm command Common rulesCLI commands 710 Altcons Flexes mount A90 S390/WORK01560 Home/tape3 84 S/390 PID ThinkPad Enabled for S/390 Special notices 86 S/390 PID ThinkPad Enabled for S/390 How to get IBM Redbooks IBM RedbooksReferenced Web sites Other resourcesIBM 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 ThinkPad Enabled for S/390 System setup AD CD-ROM use System operation