asm disks are not discovered during grid setup

Dear Oracle geeks,

I've one issue with asm disks. I configured asm disks using asm filter driver

./asmcmd afd_label DATA01 /dev/sdg  --init

./asmcmd afd_label DATA02 /dev/sdh  --init

./asmcmd afd_label DATA03 /dev/sdi  --init

./asmcmd afd_label DATA04 /dev/sdj  --init

./asmcmd afd_label DATA05 /dev/sdk  --init

./asmcmd afd_label DATA06 /dev/sdl  --init

./asmcmd afd_label DATA07 /dev/sdm  --init

./asmcmd afd_label DATA08 /dev/sdn  --init

./asmcmd afd_label DATA09 /dev/sdo  --init

./asmcmd afd_label DATA10 /dev/sdp  --init

./asmcmd afd_label DATA11 /dev/sdq  --init

./asmcmd afd_label DATA12 /dev/sdr  --init