search for: guestfs_hotplug

...ing you'd be allowed to hotplug only those slots. So for example: guestfs_add_drive (g, "/dev/null"); # reserves /dev/sda guestfs_add_drive (g, "/dev/null"); # reserves /dev/sdb guestfs_add_drive (g, "/dev/null"); # reserves /dev/sdc guestfs_launch (g); guestfs_hotplug (g, 1, "/tmp/foo"); # replaces index 1 == /dev/sdb guestfs_hotplug (g, 3, "/tmp/foo"); # error! Although ugly, in some ways this is quite attractive. It maps easily into guestfish scripts. You have contiguous device naming. You often know how many drives you'll need in...