-bash-4.1$ asmcmd lsdg --discovery
State Type Rebal Sector Block AU Total_MB Free_MB Req_mir_free_MB Usable_file_MB Offline_disks Voting_files Name
MOUNTED NORMAL N 512 4096 1048576 6752416 447285 306928 70178 0 N DATA/
MOUNTED EXTERN N 512 4096 1048576 1227964 1216729 0 1216729 0 N UFRA/
DISMOUNTED N 0 0 0 0 0 0 0 0 N ULOG1/
DISMOUNTED N 0 0 0 0 0 0 0 0 N ULOG2/
DISMOUNTED N 0 0 0 0 0 0 0 0 N ULOG3/
-bash-4.1$
SQL> select name ,state from v$asm_diskgroup;
NAME STATE
------------------------------ -----------
ULOG2 DISMOUNTED
ULOG3 DISMOUNTED
DATA MOUNTED
ULOG1 DISMOUNTED
UFRA MOUNTED
SQL>
dd if=/dev/zero of=/dev/oracle/dg/c11t7d0 bs=8192 count=100
dd if=/dev/zero of=/dev/rdsk/c0t600601607E734D001E78DB5D1E6BE161d0s0 bs=8192 count=100
SQL> select name ,state from v$asm_diskgroup;
NAME STATE
------------------------------ -----------
ULOG2 DISMOUNTED
ULOG3 DISMOUNTED
DATA MOUNTED
UFRA MOUNTED
SQL>
dd if=/dev/zero of=/dev/rdsk/c0t600601607E734D001E78DB5D99FC3B3Cd0s0 bs=8192 count=100
dd if=/dev/zero of=/dev/rdsk/c0t600601607E734D001E78DB5DFF0A0E8Ed0s0 bs=8192 count=100
root@badb1-t7-2:~# dd if=/dev/zero of=/dev/rdsk/c0t600601607E734D001E78DB5D99FC3B3Cd0s0 bs=8192 count=100
100+0 records in
100+0 records out
root@badb1-t7-2:~# dd if=/dev/zero of=/dev/rdsk/c0t600601607E734D001E78DB5DFF0A0E8Ed0s0 bs=8192 count=100
100+0 records in
100+0 records out
root@badb1-t7-2:~#
SQL> select name ,state from v$asm_diskgroup;
NAME STATE
------------------------------ -----------
DATA MOUNTED
UFRA MOUNTED
