ZFS error : Cannot mount root on rpool/472 fstype zfs
{3} ok boot -arvs
Boot device: /pci@1e,600000/pci@0/pci@2/scsi@0/disk@0,0:a File and args: -arvs
module /platform/sun4u/kernel/sparcv9/unix: text at [0x1000000, 0x10a3655] data at 0x1800000
module /platform/sun4u/kernel/sparcv9/genunix: text at [0x10a3658, 0x126c477] data at 0x1866800
module /platform/SUNW,Sun-Fire-V445/kernel/misc/sparcv9/platmod: text at [0x126c478, 0x126cd0f] data at 0x18bc0c8
module /platform/sun4u/kernel/cpu/sparcv9/SUNW,UltraSPARC-IIIi: text at [0x126cd80, 0x127e08f] data at 0x18bc940
Name of system file [/etc/system]: