??????????

1
???
???????
2
??? ???????
5.1 ?????? 5.1.1 ??????? 5.1.2 ?????? 5.1.3 /etc/inittab?? 5.1.4 alog?? 5.1.5 ?????? 5.2 ?????? 5.2.1 shutdown?? 5.2.2 ???
3
??? ???????(2)
????
???????????? ??/etc/inittab???????? ???????????? ?
??????????
4
5.1.1 ???????
Normal??
SMS??

1. ?????
2. ???????
3. ????????

1. ????Aix??
2. ?Firmware??
3. ?????

Diagnostics??
Maintenance??

1. ?????
2. ??????
3. ?????

1. ????
2. ???Aix??
3. ????????

5
SMS ??
6
SMS ??(2)

• ??Power on???,?????????,????????????????????????,
  ???????????F1,??????SMS??,????????
• SMS???????Aix????,??????????,????????
• ??SMS??,??SMS???SMS??????,?????????????

7
Maintenance ??
8
Maintenance ??(2)

• ??Power on???,?????????,?????????????,??????????,
  ???????????F5,??????????,??3,???Maintenance??
• ??Maintenance?????,????????,????BLV?????

9
Diagnostics ??
??diag???????,???????????,????????
10
5.1.2 ??????
????
????POST
??????
????????
??????
?????init
11
??????(2)

• ?????,??Read Only Storage (ROS)
  ,??????(POST),??????(bootlist)?,?????????,?????loa
  d boot image????,??boot image?????,??????(??cfgmgr
  ??)?,??????,mount????,?????/etc/inittab?????????
• ????????,????????
• 1?Boot image (????)?????load (??)
• 2???????/usr??????????

12
5.1.3 /etc/inittab??
13
/etc/inittab ??(2)

• ????
• idrunlevelactioncommand
• ?????????inittab??,???mkitab?chitab????,????????
• ???????????,????????,?init????/etc/inittab????,??
  ??????
• telinit q

14
/etc/inittab ??(3)
runlevel????0-9?????,2???????,???????2 action?
???????
respawn ??????????? wait????????????? once??
?????????????? sysinit????????????? off???????
15
5.1.4 alog??
????
????
????
NIM
alog ??
????????
/var/adm/ras/bootlog /var/adm/ras/bosinst.data /va
r/adm/ras/errlog ..
????
16
alog??(2)

• alog?????,???????alog????
• ??????????boot, bosinst?nim
• ??????
• alog o t boot
• (??????????/var/adm/ras/bootlog??????)

17
alog??(3)
???rc.boot???????????alog??????????????????????,?
?????????????????????????? ?? ?????,?????????,
??????alog???????????????????
18
5.1.5 ??????
smit system
19
????????
smit mlang
20
5.2.1 shutdown ??

• shutdown -options time message
• ???????????,??????????????????(??wall??????),1???
  ???????????,?????????,??????,????????,????

21
shutdown ????
-F ???????????????? -r ????????,?reboot ??gracef
ully???,??shutdown r?shutdown??,???-F??
22
shutdown ????
-m ?????????Maintenance?? time ?????????,?????,??
1??
23
5.2.2 ???
1?????????????? ?

1. uptime
2. alog
3. shutdown
4. oslevel

24
???(2)
2??????, init????????????

1. /etc/inittab
2. /etc/rmtab
3. /etc/passwd
4. /etc/rc.tcpip

25
???(3)
3???????,?????????????,??????????????????

1. F2
2. F3
3. F4
4. F5

26
???(4)
?? 1?B 2?A 3?D