lspath  -t hdisk0lspath -t hdisk1 命令敲完，可以看到pathid了至于pathid有啥意义呢In AIX 6.1 TL 6 (6100-06-00) a new feature was added to allow a system administrator to specify which paths would be used to boot from in a multipath environment....

http://www-01.ibm.com/support/docview.wss?uid=isg3T1012688This may be necessary if there are more than 5 paths to a boot device, as the Open Firmware for pSeries systems only allows 5 devices (or paths) maximum in the boot list.