AIX高级系统管理培训手册

1、1会计学AIX高级系统管理培训手册高级系统管理培训手册2345678910111213141516171819202122232425262728293031323334353637383940414243444546474849IBM Systems & Technology Group 2006 IBM Corporation515253545556575859606162636465666768697071727374IBM Systems & Technology Group 2006 IBM Corporation76777879Copies kernel data

2、structure to a dump deviceVia keyboard initiationVia reset buttonAt unexpected system haltVia smitVia comandClassial RS/6000 only8081828384Any TerminalAccepting Inputlft KeyboardAttachedSysdumpstart -p|-sorsmitWith key in service or Forcemode,press- - With key in SERVICE modepress the Reset button o

3、nceYESYESYESYESNONONONO85 System DumpMove cursor to desired item and press Enter. Show Current Dump Devices Show Information About the Previous System Dump Show Estimated Dump Size Change the Primary Dump Device Change the Secondary Dump Device Change the Directory to which Dump is Copied on Boot St

4、art a Dump to the Primary Dump Device Start a Dump to the Secondary Dump Device Copy a System Dump from a Dump Device to a File Copy a System Dump from a Dump Device to Diskette Always ALLOW System DumpF1=Help F2=Refresh F3=Cancel Esc+8=ImageEsc+9=Shell Esc+0=Exit Enter=Do# smit dump86Is there suffi

5、cient spacein /var to copy dump todump occursDisplay the copydump to tape menuYESYESYESYESNONONONOBoot in Service(if normal boot notpossible)dump occursIs there sufficient spacein /var to copy dump toDump copied to /var/adm/raslogin promptDisplay the copydump to tape menudiagnostic menusDump copied

6、to /var/adm/rasNONO87IBM Systems & Technology Group 2006 IBM Corporation899091929394 Error LogMove cursor to desired item and press Enter. Generate Error Report Change / Show Characteristics of the Error Log Clean the Error LogF1=Help F2=Refresh F3=Cancel Esc+8=ImageEsc+9=Shell Esc+0=Exit Enter=

7、Do 95 Generate an Error ReportType or select values in entry fields.Press Enter AFTER making all desired changes.TOP Entry Fields CONCURRENT error reporting? no SUMMARY or DETAILED error report summary + Error CLASSES (default is all) + Error TYPES (default is all) + Error LABELS (default is all) +

8、Error IDs (default is all) +X Resource CLASSES (default is all) Resource TYPES (default is all) Resource NAMES (default is all) SEQUENCE numbers (default is all) STARTING time interval ENDING time interval LOGFILE /var/adm/ras/errlogMORE.3F1=Help F2=Refresh F3=Cancel F4=ListEsc+5=Reset Esc+6=Command

9、 Esc+7=Edit Esc+8=ImageEsc+9=Shell Esc+0=Exit Enter=Do 9697IDENTIFIER TIMESTAMP T C RESOURCE_NAME DESCRIPTION192AC071 0106141400 T O errdemon ERROR LOGGING TURNED OFF1581762B 0106115000 T H cd0 DISK OPERATION ERROR1581762B 0106100100 T H cd0 DISK OPERATION ERROR1581762B 0105152300 T H cd0 DISK OPERA

10、TION ERROR2CCF66F7 0105111300 T H bl0 DEVICE ERROR2BFA76F6 0105111100 T S SYSPROC SYSTEM SHUTDOWN BY USER9DBCFDEE 0105111300 T O errdemon ERROR LOGGING TURNED ON192AC071 0104174500 T O errdemon ERROR LOGGING TURNED OFF2CCF66F7 0104143300 T H bl0 DEVICE ERROR2BFA76F6 0104143100 T S SYSPROC SYSTEM SHU

11、TDOWN BY USER9DBCFDEE 0104143300 T O errdemon ERROR LOGGING TURNED ON192AC071 0104143000 T O errdemon ERROR LOGGING TURNED OFFC60BB505 0104105800 P S SYSPROC SOFTWARE PROGRAM ABNORMALLY TERMINATED# errpt 9899100101102103104105106107IBM Systems & Technology Group 2006 IBM Corporation109110硬件资源硬件资

12、源逻辑资源逻辑资源CPU时间片时间片内存内存页面桢页面桢堆栈堆栈缓存区缓存区队列队列表表磁盘空间磁盘空间逻辑卷逻辑卷文件系统文件系统文件文件通信通信数据包数据包通道通道111112113SNONESIDLRTSruningZombie114115116117# ps -ln root F S UID PID PPID C PRI NI ADDR SZ WCHAN TTY TIME CMD 240001 A 0 11518 14100 0 60 20 3671 348 pts/1 0:00 ksh 200001 A 0 14480 11518 0 64 24 a25 80 54ce618 pts

13、/1 0:00 sleep 200001 A 0 14964 11518 5 62 20 d44 276 pts/1 0:00 ps 118119120用ps -le | grep sleep命令输出如下： F S UID PID PPID C PRI NI ADDR SZ WCHAN TTY TIME CMD200001 A 0 18112 2492 0 74 34 35fa 44 9ef72d8 pts/3 0:00 sleep200001 A 0 9666 2492 0 49 9 2bf5 44 9ef7658 pts/3 0:00 sleep200001 A 0 16068 2492

14、0 54 14 21f0 44 9ef7698 pts/3 0:00 sleep200001 A 0 10182 2492 0 50 10 fe7 44 9ef76d8 pts/3 0:00 sleep121122123检查C P U检查C P Ucheck run queuecheck run queuelengthlength检查硬盘检查硬盘查看内存查看内存possiblepossiblememorymemoryconstraintconstraintpossiblepossibledisk/SCSIdisk/SCSIconstraintconstraintCPU的 使 用 率 高High

15、 queuelengthHigh pagingdisk balancedBalance diskBalance diskpossiblepossibleCPUCPUconstraintconstraint124sar -usar -usar -qsar -qiostatiostatvmstatvmstatpossiblepossiblememorymemoryconstraintconstraintpossiblepossibledisk/SCSIdisk/SCSIconstraintconstraintCPU的 使 用 率 高High queuelengthHigh pagingdisk b

16、alancedBalance diskBalance diskpossiblepossibleCPUCPUconstraintconstraint125AIX 43p-140 3 4 001000B74C00 03/09/0010:47:50 %usr %sys %wio %idle10:47:51 0 0 1 9910:47:52 0 0 0 10010:47:53 0 0 0 10010:47:54 0 0 0 10010:47:55 0 0 0 10010:47:56 0 0 0 10010:47:57 0 0 0 10010:47:58 1 0 0 9910:47:59 1 0 0 9

17、910:48:00 1 1 0 98Average 0 0 0 100 # sar 1 10 当 %usr+%sys 80% 时，CPU 紧张126AIX 43p-140 3 4 001000B74C00 03/09/0011:20:00 runq-sz %runocc swpq-sz %swpocc11:20:01 1.2 10011:20:02 1.0 10011:20:03 1.1 100Average 1.2 100 # sar -q 1 3系统队列活动情况runq-sz: average length of run queue%runocc:percentage of time ru

18、n queue occupiedswpq-sz %swpocc:当runq-sz大于4时，CPU资源紧张127128129130kthr memory page faults cpu- - - - - r b avm fre re pi po fr sr cy in sy cs us sy id wa 0 0 8087 13425 0 0 0 0 0 0 110 115 30 0 0 98 1 0 0 8087 13425 0 0 0 0 0 0 115 212 34 0 0 99 0 0 1 8087 13425 0 0 0 0 0 0 153 118 68 0 4 54 42 # vmstat 1 3当内存资源十分紧张时，将引起pagi