AIX LPAR - CDROM device relase
When AIX will not release /dev/cd0 device (after umount any associted filesystems), and you get busy device error on dlpar operations, use this command to kill all processes that take busy resource: # fuser -k -x -u -c /dev/cd0 Usually in pSeries hardware configuration is connected to a scsi controller by scsi-to-ide/sas/sata or other terrible solution bridge. To made all this operation faster you can identify pci parent adapter and remove recursively all device. ...