Maxc Operationsby Edward R. Fiala, Charles M. Geschke, Edward Taft, and Ronald L. WeaverMaxc Document 18.7April 24, 1984This document describes many of the commonly used procedures for Maxc operation, as well as anumber of uncommon procedures used during system debugging and maintenance. This isintended primarily as a reference document for system personnel. However, in the absence ofsystem personnel, any user should be able to restart Maxc from a Tenex crash using the procedureoutlined in Section 2.XEROXPALO ALTO RESEARCH CENTER3333 Coyote Hill Road / Palo Alto / California 94304 Qp J#qXI Cc A 9,1 7T 6A 4:!? 2p$"r$ qX$HsF4N =4PMaxc OperationsTable of ContentsiSectionPage1.Introduction11.1Overview of the Maxc System11.2A Word on Terminals and Consoles22.Tenex Crashes33.Power Up104.Power Down115.Loading the PDP-10 Emulator126.Starting Tenex137.Stopping Tenex148.AltIO168.1.Calling AltIO168.2.AltIO Commands179.Maxc2 Midas Operation209.1.Starting Midas209.2.Midas Display209.3.Midas Command Menu219.4.Keyboard239.5.Command Files249.6.Loading Programs269.7.Dumping Microprograms279.8.Tenex Microcode279.9.Power On-Off279.10.Testing Through the Maintenance Interface2910.Operating Tenex Microcode from Midas3111.Interpreting Checker Failures3312.Using Micro-Exec3412.1.Tenex Disk Structure3412.2.Micro-Exec Command Descriptions3512.3.Micro-Exec Command Summary4013.Hardware Diagnostic and Maintenance Procedures4213.1.Running Microprocessor Diagnostics4213.2.Running PDP-10 Diagnostics4413.3.Memory Maintenance4513.4.Disk Maintenance4713.5.TM49 fti:uX H)t_vA [q CY CX C T C Q+B` M B` JGB` F B` Cc B` ?B`>& B`<\ B` 8B`7 B`5U B`3 B`1 B`/ B`.* B`,_ B`* B`( B`' )B` #$B` B` B` B` B`J B` .B`  "B`C B`x B`  B`  B` 98]o(Table of ContentsMaxc Operationsii13.6.MemBash4913.7.SMIDiag4913.8.AITest4914.Recovery from Checkdsk Errors5015.Bsys Operation5315.1.Backup Procedures5315.2.Incremental Dumps5415.3.Full Dumps5515.4.Full Backup to Tape5715.5.Continuing Interrupted Dumps5715.6.Restoring Files from Backup5715.7.Restoring the Entire File System5815.8.Archive Procedures5915.9.Organization of the Archive Tapes6015.10.Archiving Files to Tape6015.11.Retrieving Files from Tape6216.Contents of the Alto Disk6417.Software Maintenance Procedures6517.1.Midas6517.2.AltIO6517.3.TM, MemBash, SMIDiag, Alto Microcode6617.4.Tenex and Diagnostic Microcode6617.5.Tenex6618.Local Memory Chip Charts6719.Creating and Destroying Maxc Accounts6819.1.Obtaining a Maxc Account6819.2.General Information About Maxc Directories6819.3.The EcCREATE AND EcPRINT Commands7219.4.Creating a Maxc Directory7519.5Editing the Grapevine Data Base7719.6.Changing the Password and Other Modifications to Directories7819.7.Destroying a Maxc Account7919.8.Operations on MESSAGE.TXT Files8019.9.Reinstantiating a Destroyed Directory8119.10.Retrieving Archived Files for Defunct Directories8219.11.Printing Accounting Information8220.Miscellaneous Maxc Room Procedures8320.1.Updating the Arpanet Host Name Table8320.2.Periodic deletion of SYSTEM files8420.3.Changing PARC-GUEST Password8420.4Before doing a FORCED ARCHIVE84)fuX;ti _q B`]K B`[ B` XXB` T B`R B`Q B`O= B`Mr B`K B`I B`H B`FH B`D} !B`B B`@ B` =vB` :B`89 B`6o B`4 $B`2 B`1 B` -B` *+%B`(` B`& *B`$ %5$ %5$ B`" B`! B`H