thanks for Lance . i got solution about this question,my solve as following:
shell > tar -cjvfM /dev/st0 /backup_source << -M, --multi-volume create/list/extract multi-volume archive >> it will show a report when tape was full-up!!!!! then it will note us to change other new tape ! then, we just put in the new tape into tape device! THAT'S ALL! ;-) ============================= Hello List : I have a big size file about 33G in /home directory !!! and i wanna backup this file into tape device.... Unfortunately, My tape just 24G(compressd).....so that i must be change tape when data write into tape device... How should i do??? shell > tar cjvf /dev/st0 /home (IT IS NOT WORKING! Because, my tape maxima size only 24G ) -- Trust & Unique ... Axacheng's PGP Public Key http://www.navigation.idv.tw/pgpkey