fast way cancel session for tsm client

select 'can ses', session_id from sessions where client_name='NODE_NAME_OF_CLIENT'

estimate aix mksysb size

df -tk `lsvgfs rootvg` | awk '{total+=$3} END {printf "Estimated mksysb size: %d bytes, %.2f GB\n", total*1024, total/1024/1024}'