AIX ML/TL Upgradation steps

1. Pre-installation checksTo check packages/file set consistency# lppchk –v If we found some errors. We can get more information about problem & resolve it before continue with installation.# lppchk -v -m3Check the current installed ML/TL # instfix -i|grep ML # oslevel –sCheck Rootvg Commit all package/fileset installed on the servers# smit maintain_softwareCheck if rootvg is mirrored and all