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====== Oracle RAC ASM AIX ======

===== ASM with multipathing =====

https://easyteam.fr/actualites/gestion-des-disques-asm-avec-udev-sous-oracle-linux-7/

How to make sure Oracle ASM devices pointing to multipath devices and not scsi paths, sd devices when using ASMLib to manage ASM disks?\\
https://access.redhat.com/solutions/88573

On AIX as ASM use raw disks, you have to change owner ship and rights to oracle disks
  /dev/rhdiskXX
  
ASM cmd as asm user:
  asmcmd
  ls
  lsdg
  
  export ORACLE_SID=+ASM
  export ORACLE_HOME=/u01/app/asm/asm_1

Afficher la version : asmcmd –v

Lancer asmcmd sous l’utilisateur asm ou oracle
  Asmcmd>
  
Lister les disques groupes ( affiche également la taille des disques et l’espace libre dans les disques ) :   
  lsdg
Lister les disques : 
  lsdsk
Avoir les io sur les disques : 
  lsdsk -s
Vérifier le status des disques : 
  lsdsk –p
  
Disks size in MB
  lsdsk -k

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