Solaris

I 'm having problem in importing a zfs pool was getting error device missing and upon further digging found that labels on my disk for zpool are missing

Does anyone know how to recover from it ?

root@essapl020-u006 # zdb -l /dev/dsk/emcpower0c
--------------------------------------------
LABEL 0
--------------------------------------------
version=4
name='emcpool1'
state=0
txg=6973090
pool_guid=5596268873059055768
hostid=2228473662
hostname='essapl020-u006'
top_guid=3858675847091731383
guid=3858675847091731383
vdev_tree
type='disk'
id=0
guid=3858675847091731383
path='/dev/dsk/emcpower0c'
phys_path='/pseudo/emcp@0:c,blk'
whole_disk=0
metaslab_array=14
metaslab_shift=32
ashift=9
asize=477788372992
is_log=0
--------------------------------------------
LABEL 1
--------------------------------------------
version=4
name='emcpool1'
state=0
txg=6973090
pool_guid=5596268873059055768
hostid=2228473662
hostname='essapl020-u006'
top_guid=3858675847091731383
guid=3858675847091731383
vdev_tree
type='disk'
id=0
guid=3858675847091731383
path='/dev/dsk/emcpower0c'
phys_path='/pseudo/emcp@0:c,blk'
whole_disk=0
metaslab_array=14
metaslab_shift=32
ashift=9
asize=477788372992
is_log=0
--------------------------------------------
LABEL 2
--------------------------------------------
failed to read label 2
--------------------------------------------
LABEL 3
--------------------------------------------
failed to read label 3