informatique:nix:ibm:ibm_aix_tips [Where there is a shell, there is a way]

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====== Alternate rootvg ======

  * Split du rootvg

<code>
bosboot -a
unmirrorvg rootvg hdisk1
reducevg rootvg hdisk1
alt_disk_copy -d hdisk1
bootlist -m normal hdisk0
</code>

  * Suppression du alt_rootvg si tout est ok

<code>
alt_rootvg_op -X altinst_rootvg
extendvg -f rootvg hdisk1
mirrorvg rootvg hdisk1
bootlist -m normal -o hdisk0 hdisk1
</code>

  * Activation du alt_rootvg comme master (si upgrade KO)

<code>
bootlist -m normal -o hdisk1
shutdown -Fr
alt_rootvg_op -X altinst_rootvg
extendvg –f rootvg hdisk1
mirrorvg rootvg hdisk1
bootlist -m normal -o hdisk0 hdisk1
bosboot -a
</code>

====== Installer un ifix - efix ======

  emgr -e IY95543.070301.epkg.Z

====== Monter un cd ======

  mount -Vr cdrfs /dev/cd0 /cdrom
  
====== Monter une ISO ======

  * **AIX 5.1**

<code>
mklv -y cdlv -s n -L /dev/cdlv rootvg 700M hdisk0
dd if=/install/image.iso of=/dev/cdlv bs=32k
mount -v cdrfs -o ro /dev/cdlv /mnt
</code>

  * **AIX 6.1**

  loopmount -i /install/image.iso -o "-V cdrfs -o ro" -m /mnt


====== Rechercher un APAR ======

http://www-1.ibm.com/support/

====== Activer les IO asynchrones sans rebooter ======

  chdev -l aio0 autoconfig=available
  mkdev -l aio0
  
====== Mofidier la longueur max. des logins ======

//AIX 5.3 only//

  lsattr -El sys0 -a max_logname
  chdev -l sys0 -a max_logname=XX (XX--desired number)
  lsattr -El sys0 -a max_logname
  getconf LOGIN_NAME_MAX
  shutdown -Fr 

 ====== Packages ======

<code>  
lslpp -L                        displays info about all installed filesets or fileset updates
lslpp -L <fileset>              displays info about that fileset
lslpp -h <fileset>              shows the history of the fileset
lslpp -l | grep <fileset>       shows if it is installed or not
lslpp -lc| grep <fileset>       shows the state (Aplp., Comm., Broken..) in /etc/objrepos and in /usr/lib/objrepos of a fileset

lslpp -f <fileset>              shows all files that are installed with  a particular fileset
lslpp -w /usr/local/bin/lsof    shows the fileset which contains the given file (binary) (which command shows full path: which lsof)

lslpp -p <fileset>              shows requisite information for a specified fileset (-p means possibly prerequisite)
lslpp -d <fileset>              shows filesets that are dependents on the specified fileset
</code>