AIX 5L Problem Determination - IBM Redbooks

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pc.statd 189 daemons shdaemon 73 telnetd 204 ypbind 33 ypserv 33 data logical volume manager 138 logical volumes 139 relocation 140 volume group 138 Data fragmentation 160 data storage interrupt 95 database, ODM 144 date command 119 dbx 294 dd 28 dd command 138, 153 default route 33 default system error log 108 define the problem 8 deleting error log entries 125 determination process of a problem 8 device state available 45 define 45 df command 156, 210 diag 47 advanced diagnostics 48 alter bootlist menu 18 diagnostic routines 48 function selection menu 17 task selection 48 disk maintenance 53 SSA 53 task selection menu 18 diagela - automatic error log analysis 144 diagnostic concurrent mode 47, 49 CPU 50 memory 50 stand-alone from CD 51 from disk 50 MCA machines 50–51 PCI machines 50–51 disk adding a new disk 147 recovering an incorrectly removed disk 148 remove the disk with rmdev 146 removing bad disk 146 replacement 144 disk bound 258 disk problems 137 diskusg 129 DNS 33–34 server 185 dodisk 128–129 du 156 du command 156 dumpfile namelist 80 E E1F1 LEDs 52 edquota command 164 edquota commands 165 entstat 180 environment variable NSORDER 205 errclear command 108, 127 flags 125 syntax 125 errdemon command 108–109 flags 108 syntax 108 error daemon 108 error log configuration database 110 error notification database 108 error report 107, 110 errpt 35, 38 flag table 38 errpt command 81, 117 commands errpt 145 error log report 111 error record template report 112 flags 112 syntax 111–112 exec() system call 284, 288 exportfs 190 extended_netstats 268 extending number of max PPs 143 extendvg command 148 Extents 159 348 IBM ^ Certification Study Guide - AIX 5L Problem Determination Tools and Techniques
F figures boot phase1 23 boot phase2 figure1 24 boot phase2 figure2 25 changing AIX operating system parameters 208 CPU penalty 257 diag alter bootlist menu 18 diag function selection menu 17 diag task selection menu 18 disk problem report form diagela 145 general boot order 14 licensed users 203 SMS main menu 21 topas display for trace example 214 file memory 246 file system fixing bad superblock 153 full file system 210 problems 137 removing file systems 155 unmount problems 154 verification and recovery 152 file table 84 filemon 264 fileplace 264 files /dev/error 108 /etc/exports 189 /etc/filesystems 33, 152, 165, 189 /etc/gated.conf 184 /etc/gateways 184 /etc/hosts 185 /etc/inittab 15, 30–31, 189 /etc/netsvc.conf 34, 185 /etc/objrepos/errnotify 108 /etc/rc.boot 15, 23–24 /etc/rc.net 32–33, 191, 268 /etc/rc.nfs 189, 191 /etc/rc.tcpip 189 /etc/resolv.conf 186, 205 /etc/security/limits 206, 210 /etc/services 205 /etc/syslog.conf 130 /etc/syslog.pid 130 /etc/utmp 210 /usr/include/sys/trchkid.h 212 /usr/lib/sa/sa1 236 /usr/lib/sa/sa2 236 /var/adm/ras/conslog 31 /var/adm/ras/errlog 108, 110 /var/adm/ras/trcfile 211 __prof.all 244 quota.group 164 quota.user 164 fileset update 308 find command 82 fixed 287 flag table 302 flood ping 182 fork 284 fork function failed adjusting kernel parameters 208 Format of the 103 code message 60 fragmentation 258 FRU Number 46 fsck 26 fsck command 152 G gated 184 gateway 184 general boot overview 14 generic device names 16 genkex command 155 getconf command 161 getty 218 group (WLM) 286 H handling crash output 94 hardware diagnostic 46 inventory 43 platform CHRP 44 chrp 44 PREP 44 RPA 44 rs6k 44 rs6ksmp 44 rspc 44 HAT 246 high-water mark 260 hook IDs for trace 212 host 185, 190 Index 349
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ibm.com/redbooks IBM Certification
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Note: Before using this information
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3.5.1 The /etc/inittab file . . . .
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7.2.1 Data relocation . . . . . . .
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9.9.1 The lslicense command . . . .
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x IBM ^ Certification Study Guide -
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10-12 Performance tuning flowchart
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8-7 Commonly used flags of the rout
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Trademarks The following terms are
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This publication does not replace p
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Comments welcome Your comments are
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1.1 Certification requirements To a
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e. Verify that file systems are mou
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Preparation for this exam is the to
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2.1 Defining the problem The first
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If the problem occurs on more than
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2.4.1 Answers The following are the
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3.1 A general overview of the boot
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mainly to components on the motherb
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Figure 3-3 Task selection menu in d
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3.2.2 PCI systems next step is to s
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3.3 Boot phase 1 Newer PCI architec
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3.4 Boot phase 2 In boot phase 2, t
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As mentioned, there are a lot of di
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3.4.3 LED 518 product documentation
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Figure 3-9 Boot phase 3 /etc/initta
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3.5.2 LED 553 3.5.3 LED c31 3.5.4 L
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3.5.5 pSeries servers A specific LE
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When the system is gracefully shut
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LED Reason/action c31 Define the co
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3. A file system is being mounted b
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3.9.1 Answers 3.10 Exercises The fo
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4.1 Hardware basics RS/6000 and pSe
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The most important fields in the pr
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Figure 4-1 Main diagnostics menu Th
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► Full testing requires that the
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3. Place the CD-ROM into the drive.
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Note: This service aid is only pres
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2. Select Change Show use of an SSA
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LED 299 A LED code of 299 shows tha
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Figure 4-2 Format of the 103 code m
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4.5 Quiz The following assessment q
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4.5.1 Answers 4.6 Exercises The fol
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5.1 Configuring the dump device Pri
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5.2 Starting a system dump A user-i
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A command status screen will be dis
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If the system does not have a key s
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The shconf command is invoked when
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5.4 Increasing the size of the dump
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Setting output device to /dev/rmt0.
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Look at the time of the dump and th
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Failure Causes SOFTWARE PROGRAM Rec
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Using crash, you can examine: ► A
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► ? or help[] Lists all subcomman
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LR: .waitproc+d4 (0000edc4) 2ff3b38
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DSIRR Data Storage Interrupt Reason
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*prevthread:0xe6000000 *nextthread:
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In this example, the VMM return cod
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The snap command syntax is as follo
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Flag Description -t Format Lists ea
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Flag Description -p Device Temporar
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Figure 5-3 Error log case study 2.
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Figure 5-4 Case study Which of the
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5.10.1 Answers 5.11 Exercises The f
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6.1 The error daemon The error logg
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To change the current log file, the
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To process a report from the error
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Flag Description -g Displays the AS
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Flag Description -F FlagList Select
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Probable Causes ERRDEMON STARTED AU
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To display a detailed report of all
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USER ID 0 0=SOFT IPL 1=HALT 2=TIME
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Resource Class: planar Resource Typ
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Flag Description -k ErrorID[,ErrorI
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6.5.1 Setting up an accounting syst
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6.6 The syslogd daemon The syslogd
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Use the following message priority
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3. A system operator accidentally d
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7.1 LVM data The Logical Volume Man
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7.2.1 Data relocation 7.2.2 Backup
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AIX version level Verify that the v
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This example shows that the volume
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This error information displays the
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hdisk0 Available 30-58-00-8,0 16 Bi
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7.4 The AIX JFS 7.4.1 Creating a JF
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7.4.2 Increasing the file system si
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In many cases, restoration of the b
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lv02 jfs 2 2 1 open/syncd /u/testfs
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► Understanding enhanced journale
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512 bytes) to minimize internal fra
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Function JFS2 JFS Compression No Ye
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7.4.10 Disk quota Pseudo file name
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home: blocks in use: 0, limits (sof
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7.5.3 Reducing and removing paging
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Table 7-3 Commonly used flag of the
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7.6.4 The rmlvcopy command The rmlv
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Which of the following commands sho
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8.1 Network interface problems If h
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As you can see, the output shows th
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3. If there is a default route, att
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If you are using the route command
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address of the named server and try
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TOK: access control field = 0, fram
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4. Initiate an iptrace (client, ser
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the nfs_max_threads parameter of th
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Flags Description -s host Records p
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8.6 Quiz Table 8-8 Commonly used fl
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8. Which of the following options w
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9.1 User license problems If it is
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telnet: connect: A remote host did
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9.2.4 Telnet error If when attempti
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user is limited and defined as an A
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9.4.3 A full file system uid=0(root
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9.5.1 Trace hook IDs The events tra
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your trace, the system may be traci
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113 0.004261661 0.001518 unlock: lo
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If the sendmail command encounters
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9.8 Printing Task SMIT fast path Co
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Action or function System V PowerPC
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Switching between subsystems The op
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Flag Description -s Subsystem Speci
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9.10 Quiz Flag Description -O Optio
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6. A user has the ability to ping t
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232 IBM ^ Certification Study Guide
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Figure 10-1 General performance tun
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Display previously captured data Th
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10.1.2 The vmstat command The vmsta
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later). The method used in AIX Vers
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second. Large values indicate a CPU
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kernel routine records the process
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syncd 1 2 2 0 0 0 sh 1 1 1 0 0 0 sl
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The memory columns The memory colum
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The sr column The sr column shows t
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If you want to sort to the sixth co
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► Workload Management Class (-W)
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schedtune limitations The schedtune
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schedtune parameters are reset by t
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Normal files are automatically mapp
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tty: tin tout avg-cpu: % user % sys
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When looking for performance proble
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those that do not. If you are runni
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The netstat -m command The netstat
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spec buf 1 0 0 0 128 128 0 locking
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Late Collision Errors The Late Coll
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The retrans column displays the num
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Figure 10-3 Web-based System Manage
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Superclasses A superclass is a clas
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► Shared subclass: This subclass
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The sequence of attributes within a
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This manual assignment can be done
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This defines three levels of privil
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The class assignment is done by WLM
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Figure 10-8 shows the SMIT panel wh
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Figure 10-10 SMIT panel for rset re
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10.6.1 The dbx command The dbx comm
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Subcommand Description return Conti
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Page 322 and 323: 10.8 Command summary The following
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Page 328 and 329: 306 IBM ^ Certification Study Guide
Page 330 and 331: 11.1 Overview 11.1.1 Terminology 11
Page 332 and 333: Note: Before installing a new set o
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Page 336 and 337: ► To install all filesets associa
Page 338 and 339: Table 11-2 Commonly used flags of t
Page 340 and 341: 11.5 Quiz Flag Description -f Check
Page 344 and 345: - A Web server The browser must be
Page 346 and 347: Figure 12-2 HTTP filesets If you ar
Page 348 and 349: - Remote computer Type the remote d
Page 350 and 351: Figure 12-4 Documentation Library S
Page 354 and 355: CISPR International Special Committ
Page 356 and 357: I/O Input/Output I 2 C Inter Integr
Page 358 and 359: OEM Original Equipment Manufacturer
Page 360 and 361: SPM System Performance Measurement
Page 364 and 365: Other resources These publications
Page 368 and 369: phase1 figure 23 phase2 15, 24, 36
Page 372 and 373: host name resolution telnet login p
Page 374 and 375: N name resolution diagnostic 185 pr
Page 376 and 377: ecent CPU usage 241 recovering an i
Page 378 and 379: System Resource Controller (SRC) 13
Page 384: IBM Certification Study Guide - AIX
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AIX 5L Problem Determination - IBM Redbooks

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