Create a New Disk Group (for example) DATA02


col NAME for a20
col PATH for a40
select GROUP_NUMBER,DISK_NUMBER,MOUNT_STATUS,STATE,OS_MB,TOTAL_MB,FREE_MB,NAME,PATH from v$asm_disk;
GROUP_NUMBER DISK_NUMBER MOUNT_S STATE OS_MB TOTAL_MB FREE_MB NAME PATH
------- -------- ------- -------- ---------- ---------- -------- --------------- ----------------------------------------
 1 2 CACHED NORMAL 51200 51200 43 DATA01_0002 /dev/rdsk/mpathc
 1 1 CACHED NORMAL 51200 51200 41 DATA01_0001 /dev/rdsk/mpathb
 1 3 CACHED NORMAL 51200 51200 45 DATA01_0003 /dev/rdsk/mpathd
 1 0 CACHED NORMAL 51200 51200 46 DATA01_0000 /dev/rdsk/mpatha
 0 0 CLOSED NORMAL 512000 0 0 /dev/rdsk/mpathe
Create a New Disk Group DATA02
SQL> create diskgroup DATA02 external redundancy disk '/dev/rdsk/mpathe' attribute 'compatible.asm'='11.2';
Diskgroup created.
SQL> select GROUP_NUMBER,DISK_NUMBER,MOUNT_STATUS,STATE,OS_MB,TOTAL_MB,FREE_MB,NAME,PATH from v$asm_disk;
GROUP_NUMBER DISK_NUMBER MOUNT_S STATE OS_MB TOTAL_MB FREE_MB NAME PATH
-------- ----------- ------- -------- ---------- ---------- ---------- -------------------- ------------------------- 
 1 2 CACHED NORMAL 51200 51200 43 DATA01_0002 /dev/rdsk/mpathc
 1 1 CACHED NORMAL 51200 51200 41 DATA01_0001 /dev/rdsk/mpathb
 1 3 CACHED NORMAL 51200 51200 45 DATA01_0003 /dev/rdsk/mpathd
 1 0 CACHED NORMAL 51200 51200 46 DATA01_0000 /dev/rdsk/mpatha
 2 0 CACHED NORMAL 512000 512000 511944 DATA02_0000 /dev/rdsk/mpathe

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