upgrade aix - liamlamth/blog GitHub Wiki

use case

  • aix7.1 to aix7.2.5.5

prerequisite

  • patches
    • inserted cd (7200-03-02)
    • file (7200-05-05)
  • interim fix

cd upgrade

  1. mount cd

    1. login HMC, identify if the cd-rom is connected to the correct lpar

      • curl; or
        HMC >> left bar(system management > servers > server-lamth) >> vios1/vios2 >> hardware information >> virtual i/o adapters >> scsi
      • putty 
        vt menu                 ### padmin
lsdev -type optical
lsmap -all
lsmap -vadapter vhost0

    2. login the wrong lpar, remove the cd-rom from the lpar

      lsdev -l cd0
lsdev -l cd0 -F parent
rmdev -dl vscsi0 -R

    3. login the correct lpar, map the cd-rom

      cfgmgr
lsdev -l cd0
mount -o ro /dev/cd0 /mnt

    4. if not work

      • login vio, export cd0 to another lpar 
        rmvdev -f -vtd vtopt0                   ### remove the virtual target device (vtd) to release cd0
mkvdev -vdev cd0 -vadapter vhost1       ### to export the cd0 to vhost1
      • check lpar id 
        lssyscfg -m ServerName -r lpar -F name,lpar_id
  2. backup if possible
  3. health check: errpt lppchk -vm3
  4. stop application/database/hacmp service if any
  5. apply patch
    1. putty HMC
    2. shutdown -Fr, do not use reboot
    3. when rebooting, keep pressing 1 to enter sms mode 
      [5] Select boot options   >>>
[1] Select Install/Boot Device   >>>
[3] CD/DVD   >>>
[9] List All Devices   >>>
[4] SCSI CD-ROM   >>>
[2] Normal Mode Boot   >>>
[1] Yes   >>>
Input "1" and press Enter   >>>
Input "1" and press Enter   >>>
[1] Start Install Now with Default Settings   >>>
[1] Continue with Install   >>>
MIGRATION title should be shown in title, otherwise it is new installation
[0] Continue with the migration
    4. after bootup 
      xterm >>>
accept license agreement >>>
accept installed license agreement >>> yes   >>>   enter   >>>   F3   >>>   F3   >>>   F3
tasks completed - exit to login
      • tab to change; F3 = esc+3
      • about 30-50 mins to complete
  6. pro-check:
    oslevel -s: os version is updated but may not be the expected version
    bootlist -m normal -o: bootlist is assigned to rootvg
  7. apply other patches file
    1. mount to the server if needed (aix servers requires to add the target/source ip and hostnames in /etc/hosts in both server)
    2. instfix -i | grep ML
    3. instfix -ick <the patch not found> | grep :-:, find out the missing patch
    4. smit update_all, fill in the patch location
      *set preview to true, committo false, in order to pre-check
      *set agreement to true
      *usually it may need to patch twice as the first update may still be missing some patch, use oslevel -s to check
    5. shutdown -Fr
  8. apply interim fix 
    emgr -e IJ43869s5a.221212.epkg.Z -p     ### preview
emgr -e IJ43876s5a.221212.epkg.Z -X     ### execute
emgr -l                                 ### confirm, state should be Q
shutdown -Fr
emgr -l                                 ### confirm, state should be S
  9. unload cd-rom
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