oslevel -s
instfix -i | grep ML
Check for disk mirroring,
lspv
lsvg -l rootvg
Note: PPs should be twice the amount of LPs
Check on what device the system boots up,
bootlist -o -m normal
To Check for Hardware errors,
errpt lft0
errpt > errpt.output
errpt -a > errpta.output
For Patch Update,
To perform an update, get the fixes from www.ibm.com. Then,
lppchk -v
errpt -a
smitty update_all
Note: if new packages are working fine, validate them (and prevent going backwards) using smit.
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