Process to add the ASM disks to ASM DISK GROUPS.
SQL> select group_number G#, disk_number D#, state, redundancy, name, path, total_mb, free_mb, (total_mb - free_mb) used_mb from v$asm_disk 2 ;
G# D# STATE REDUNDA NAME PATH TOTAL_MB FREE_MB USED_MB
--- --- -------- ------- -------------------- ------------------------------ ---------- ---------- ----------
0 0 NORMAL UNKNOWN /dev/rhdiskpower27 0 0 0
0 1 NORMAL UNKNOWN /dev/rhdiskpower28 0 0 0
2 4 NORMAL UNKNOWN DATA1_0004 /dev/rhdiskpower16 139425 44724 94701
1 0 NORMAL UNKNOWN ARCH1_0000 /dev/rhdiskpower19 34856 29513 5343
1 1 NORMAL UNKNOWN ARCH1_0001 /dev/rhdiskpower20 34856 29513 5343
2 3 NORMAL UNKNOWN DATA1_0003 /dev/rhdiskpower21 34856 11174 23682
3 0 NORMAL UNKNOWN FRA1_0000 /dev/rhdiskpower22 69712 69241 471
3 1 NORMAL UNKNOWN FRA1_0001 /dev/rhdiskpower23 69712 69243 469
2 0 NORMAL UNKNOWN DATA1_0000 /dev/rhdiskpower24 139425 44721 94704
2 1 NORMAL UNKNOWN DATA1_0001 /dev/rhdiskpower25 139425 44722 94703
2 2 NORMAL UNKNOWN DATA1_0002 /dev/rhdiskpower26 139425 44722 94703
11 rows selected.
SQL> SELECT group_number, disk_number, mount_status, header_status, state, path FROM v$asm_disk ;
GROUP_NUMBER DISK_NUMBER MOUNT_S HEADER_STATU STATE PATH
------------ ----------- ------- ------------ -------- ------------------------------
0 0 CLOSED CANDIDATE NORMAL /dev/rhdiskpower27
0 1 CLOSED CANDIDATE NORMAL /dev/rhdiskpower28
2 4 CACHED MEMBER NORMAL /dev/rhdiskpower16
1 0 CACHED MEMBER NORMAL /dev/rhdiskpower19
1 1 CACHED MEMBER NORMAL /dev/rhdiskpower20
2 3 CACHED MEMBER NORMAL /dev/rhdiskpower21
3 0 CACHED MEMBER NORMAL /dev/rhdiskpower22
3 1 CACHED MEMBER NORMAL /dev/rhdiskpower23
2 0 CACHED MEMBER NORMAL /dev/rhdiskpower24
2 1 CACHED MEMBER NORMAL /dev/rhdiskpower25
2 2 CACHED MEMBER NORMAL /dev/rhdiskpower26
11 rows selected.
ASMCMD> lsdg
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 69712 59026 0 29513 0 N ARCH1/
MOUNTED EXTERN N 512 4096 1048576 592556 190063 0 190063 0 N DATA1/
MOUNTED EXTERN N 512 4096 1048576 139424 138484 0 138484 0 N FRA1/
SQL> ALTER DISKGROUP DATA1 ADD DISK '/dev/rhdiskpower27' REBALANCE POWER 5 ;
Diskgroup altered.
SQL> select * from v$asm_operation;
GROUP_NUMBER OPERA STAT POWER ACTUAL SOFAR EST_WORK EST_RATE
------------ ----- ---- ---------- ---------- ---------- ---------- ----------
EST_MINUTES ERROR_CODE
----------- --------------------------------------------
2 REBAL RUN 5 5 12960 44526 6979
4
ALTER DISKGROUP DATA1 ADD DISK '/dev/rhdiskpower28' REBALANCE POWER 11;
Diskgroup altered.
select group_number G#, disk_number D#, state, redundancy, name, path, total_mb, free_mb, (total_mb - free_mb) used_mb from v$asm_disk;
G# D# STATE REDUNDA NAME PATH TOTAL_MB FREE_MB USED_MB
--- --- -------- ------- -------------------- ------------------------------ ---------- ---------- ----------
2 4 NORMAL UNKNOWN DATA1_0004 /dev/rhdiskpower16 139425 69424 70001
1 0 NORMAL UNKNOWN ARCH1_0000 /dev/rhdiskpower19 34856 29382 5474
1 1 NORMAL UNKNOWN ARCH1_0001 /dev/rhdiskpower20 34856 29382 5474
2 3 NORMAL UNKNOWN DATA1_0003 /dev/rhdiskpower21 34856 17352 17504
3 0 NORMAL UNKNOWN FRA1_0000 /dev/rhdiskpower22 69712 69241 471
3 1 NORMAL UNKNOWN FRA1_0001 /dev/rhdiskpower23 69712 69243 469
2 0 NORMAL UNKNOWN DATA1_0000 /dev/rhdiskpower24 139425 69423 70002
2 1 NORMAL UNKNOWN DATA1_0001 /dev/rhdiskpower25 139425 69424 70001
2 2 NORMAL UNKNOWN DATA1_0002 /dev/rhdiskpower26 139425 69425 70000
2 5 NORMAL UNKNOWN DATA1_0005 /dev/rhdiskpower27 69712 34709 35003
2 6 NORMAL UNKNOWN DATA1_0006 /dev/rhdiskpower28 139425 69438 69987
11 rows selected.
SQL> /
SQL> SELECT group_number, disk_number, mount_status, header_status, state, path FROM v$asm_disk ;
GROUP_NUMBER DISK_NUMBER MOUNT_S HEADER_STATU STATE PATH
------------ ----------- ------- ------------ -------- ------------------------------
2 4 CACHED MEMBER NORMAL /dev/rhdiskpower16
1 0 CACHED MEMBER NORMAL /dev/rhdiskpower19
1 1 CACHED MEMBER NORMAL /dev/rhdiskpower20
2 3 CACHED MEMBER NORMAL /dev/rhdiskpower21
3 0 CACHED MEMBER NORMAL /dev/rhdiskpower22
3 1 CACHED MEMBER NORMAL /dev/rhdiskpower23
2 0 CACHED MEMBER NORMAL /dev/rhdiskpower24
2 1 CACHED MEMBER NORMAL /dev/rhdiskpower25
2 2 CACHED MEMBER NORMAL /dev/rhdiskpower26
2 5 CACHED MEMBER NORMAL /dev/rhdiskpower27
2 6 CACHED MEMBER NORMAL /dev/rhdiskpower28
11 rows selected.
SQL>
select name,total_mb,free_mb,(free_mb/total_mb)*100,state from v$asm_diskgroup;SQL>
NAME TOTAL_MB FREE_MB (FREE_MB/TOTAL_MB)*100 STATE
-------------------- ---------- ---------- ---------------------- -----------
ARCH1 69712 58436 83.8248795 MOUNTED
DATA1 801693 399195 49.7939985 MOUNTED
FRA1 139424 138484 99.3257976 MOUNTED
1. Please check the ASM status by running the below script and upload the resulting html.
SPOOL ASM_1.HTML
SET MARKUP HTML ON
set echo on
setpagesize 200
alter session set nls_date_format='DD-MON-YYYY HH24:MI:SS';
select 'THIS ASM REPORT WAS GENERATED AT: ==)> ' , sysdate " " from dual;
select 'HOSTNAME ASSOCIATED WITH THIS ASM INSTANCE: ==)> ' , MACHINE " " from v$session where program like '%SMON%';
select * from v$asm_diskgroup;
SELECT * FROM V$ASM_DISK ORDER BY GROUP_NUMBER,DISK_NUMBER;
SELECT * FROM V$ASM_CLIENT;
select * from V$ASM_ATTRIBUTE;
select * from v$asm_operation;
select * from gv$asm_operation;
select * from v$version;
show parameter asm
show parameter cluster
show parameter instance_type
show parameter instance_name
show parameter spfile
showsga
spool off
exit
ASM Lun Migration
while true
do
sqlplus -s "/as sysasm" @chk.sql
sleep 10
done
chk.sql
---------------------------------------------------------------------------------------
COL % FORMAT 100.0
SELECT name, free_mb, total_mb, free_mb/total_mb*100 "%", STATE FROM v$asm_diskgroup;
setlinesize 300 pages 300;
col path for a30
column name format a20;
column G# format 99;
column D# format 99;
col state for a10
col HEADER_STATUS for a10
selecta.group_number G#, a.disk_number D#, a.state, header_status,
a.redundancy, a.name,a.path, a.OS_MB/1024 size_GB,a.total_mb, a.free_mb, (a.total_mb - a.free_mb) used_mb
fromv$asm_diska order by a.name;
select * from v$asm_operations;
exit;
---------------------------------------------------------------------------------------
Pre-checks:
------------
1. Ensure all the databases associated with ASM are backedup with Full or Level0.
2. Take a MD backup for all the DGS.--> ASMCMD>md_backup mdbkup_10JUN2012 -G DATA1,ARCH1,FRA1
3. crs_stat -t
4. lsnrctl status
5. set the rebalance power to 0.
Main steps:
1. Create a DUMMY disk group.
2. Add all the CANDIDATE Luns to the Dummy disk group.
3. Check if all the Disk groups in MOUNTED status
4. Monitor the ASM alert log.
5. Remove all the added Luns from DUMMY disk group one by one (you may not be able to remove the last Lun) and rebalance for each Lun.
6. Now all the removed Luns (from DUMMY) will be in FORMER status and rebalance when required.
7. Add each FORMER Lun into FRA1, ARCH1 and DATA1 disk groups and rebalance when required.
8. Check if all the Disk groups in MOUNTED status
9. Monitor the ASM alert log and check for any erros
10. Run the below command to check the status of each Diskgroup:
SQL>ALTER DISKGROUP DATA1 CHECK ALL; --> check the output of this in the alert log.
create a diskgroup:
creatediskgroup DUMMY external redundancy disk '/dev/rdsk/emcpower112g'; --> PATH from v$asm_disk
Add the other Luns:
ALTER DISKGROUP SUMMY ADD DISK '<LUN_NAME>';
Drop a disk from any diskgroup :
ALTER DISKGROUP DUMMY DROP DISK DUMMY_0000; --> NAME from v$asm_disk for the Lun -->/dev/rdsk/emcpower112g
Rebalance the diskgroup:
ALTER DISKGROUP DUMMY REBALANCE POWER 5 wait;
The following are the Luns to be migrated:
/dev/rdsk/emcpower112g
/dev/rdsk/emcpower116g
/dev/rdsk/emcpower120g
/dev/rdsk/emcpower12g
/dev/rdsk/emcpower16g
/dev/rdsk/emcpower20g
/dev/rdsk/emcpower24g
/dev/rdsk/emcpower28g
/dev/rdsk/emcpower32g
/dev/rdsk/emcpower36g
/dev/rdsk/emcpower40g
/dev/rdsk/emcpower42g
/dev/rdsk/emcpower45g
/dev/rdsk/emcpower49g
/dev/rdsk/emcpower58g
/dev/rdsk/emcpower63g
/dev/rdsk/emcpower66g
/dev/rdsk/emcpower72g
/dev/rdsk/emcpower78g
/dev/rdsk/emcpower80g
/dev/rdsk/emcpower88g
/dev/rdsk/emcpower92g
$ df -h |grepdbs
dropdiskgroup dummy force including contents;
select * from v$asm_operation;
selectname,state from v$asm_diskgroup;
select GROUP_NUMBER,NAME,HEADER_STATUS,TOTAL_MB,FREE_MB from V$ASM_DISK;
Alter System Set ASM_POWER_LIMIT=1;
ALTER SYSTEM SET asm_diskstring='/dev/sdp*,/dev/sdq*,/dev/oracleasm/disks/*' SCOPE=BOTH;
alter diskgroup DATA mount
alter diskgroup FRA mount
CREATE DISKGROUP REDO1 EXTERNAL REDUNDANCY DISK '/dev/oracleasm/disks/PROD_REDO1' SIZE 20464M ATTRIBUTE 'compatible.asm'='11.2.0.0.0','au_size'='1M' /* ASMCA */
CREATE DISKGROUP REDO2 EXTERNAL REDUNDANCY DISK '/dev/oracleasm/disks/PROD_REDO2' SIZE 20464M ATTRIBUTE 'compatible.asm'='11.2.0.0.0','au_size'='1M' /* ASMCA */
alter diskgroup FRA add disk '/dev/oracleasm/disks/PROD_FRA1','/dev/oracleasm/disks/PROD_FRA2' rebalance power 11
SQL> select group_number G#, disk_number D#, state, redundancy, name, path, total_mb, free_mb, (total_mb - free_mb) used_mb from v$asm_disk 2 ;
G# D# STATE REDUNDA NAME PATH TOTAL_MB FREE_MB USED_MB
--- --- -------- ------- -------------------- ------------------------------ ---------- ---------- ----------
0 0 NORMAL UNKNOWN /dev/rhdiskpower27 0 0 0
0 1 NORMAL UNKNOWN /dev/rhdiskpower28 0 0 0
2 4 NORMAL UNKNOWN DATA1_0004 /dev/rhdiskpower16 139425 44724 94701
1 0 NORMAL UNKNOWN ARCH1_0000 /dev/rhdiskpower19 34856 29513 5343
1 1 NORMAL UNKNOWN ARCH1_0001 /dev/rhdiskpower20 34856 29513 5343
2 3 NORMAL UNKNOWN DATA1_0003 /dev/rhdiskpower21 34856 11174 23682
3 0 NORMAL UNKNOWN FRA1_0000 /dev/rhdiskpower22 69712 69241 471
3 1 NORMAL UNKNOWN FRA1_0001 /dev/rhdiskpower23 69712 69243 469
2 0 NORMAL UNKNOWN DATA1_0000 /dev/rhdiskpower24 139425 44721 94704
2 1 NORMAL UNKNOWN DATA1_0001 /dev/rhdiskpower25 139425 44722 94703
2 2 NORMAL UNKNOWN DATA1_0002 /dev/rhdiskpower26 139425 44722 94703
11 rows selected.
SQL> SELECT group_number, disk_number, mount_status, header_status, state, path FROM v$asm_disk ;
GROUP_NUMBER DISK_NUMBER MOUNT_S HEADER_STATU STATE PATH
------------ ----------- ------- ------------ -------- ------------------------------
0 0 CLOSED CANDIDATE NORMAL /dev/rhdiskpower27
0 1 CLOSED CANDIDATE NORMAL /dev/rhdiskpower28
2 4 CACHED MEMBER NORMAL /dev/rhdiskpower16
1 0 CACHED MEMBER NORMAL /dev/rhdiskpower19
1 1 CACHED MEMBER NORMAL /dev/rhdiskpower20
2 3 CACHED MEMBER NORMAL /dev/rhdiskpower21
3 0 CACHED MEMBER NORMAL /dev/rhdiskpower22
3 1 CACHED MEMBER NORMAL /dev/rhdiskpower23
2 0 CACHED MEMBER NORMAL /dev/rhdiskpower24
2 1 CACHED MEMBER NORMAL /dev/rhdiskpower25
2 2 CACHED MEMBER NORMAL /dev/rhdiskpower26
11 rows selected.
ASMCMD> lsdg
State Type Rebal Sector Block AU Total_MB Free_MB Req_mir_free_MB Usable_file_MB Offline_disks Voting_files Name
MOUNTED NORMAL N 512 4096 1048576 69712 59026 0 29513 0 N ARCH1/
MOUNTED EXTERN N 512 4096 1048576 592556 190063 0 190063 0 N DATA1/
MOUNTED EXTERN N 512 4096 1048576 139424 138484 0 138484 0 N FRA1/
SQL> ALTER DISKGROUP DATA1 ADD DISK '/dev/rhdiskpower27' REBALANCE POWER 5 ;
Diskgroup altered.
SQL> select * from v$asm_operation;
GROUP_NUMBER OPERA STAT POWER ACTUAL SOFAR EST_WORK EST_RATE
------------ ----- ---- ---------- ---------- ---------- ---------- ----------
EST_MINUTES ERROR_CODE
----------- --------------------------------------------
2 REBAL RUN 5 5 12960 44526 6979
4
ALTER DISKGROUP DATA1 ADD DISK '/dev/rhdiskpower28' REBALANCE POWER 11;
Diskgroup altered.
select group_number G#, disk_number D#, state, redundancy, name, path, total_mb, free_mb, (total_mb - free_mb) used_mb from v$asm_disk;
G# D# STATE REDUNDA NAME PATH TOTAL_MB FREE_MB USED_MB
--- --- -------- ------- -------------------- ------------------------------ ---------- ---------- ----------
2 4 NORMAL UNKNOWN DATA1_0004 /dev/rhdiskpower16 139425 69424 70001
1 0 NORMAL UNKNOWN ARCH1_0000 /dev/rhdiskpower19 34856 29382 5474
1 1 NORMAL UNKNOWN ARCH1_0001 /dev/rhdiskpower20 34856 29382 5474
2 3 NORMAL UNKNOWN DATA1_0003 /dev/rhdiskpower21 34856 17352 17504
3 0 NORMAL UNKNOWN FRA1_0000 /dev/rhdiskpower22 69712 69241 471
3 1 NORMAL UNKNOWN FRA1_0001 /dev/rhdiskpower23 69712 69243 469
2 0 NORMAL UNKNOWN DATA1_0000 /dev/rhdiskpower24 139425 69423 70002
2 1 NORMAL UNKNOWN DATA1_0001 /dev/rhdiskpower25 139425 69424 70001
2 2 NORMAL UNKNOWN DATA1_0002 /dev/rhdiskpower26 139425 69425 70000
2 5 NORMAL UNKNOWN DATA1_0005 /dev/rhdiskpower27 69712 34709 35003
2 6 NORMAL UNKNOWN DATA1_0006 /dev/rhdiskpower28 139425 69438 69987
11 rows selected.
SQL> /
SQL> SELECT group_number, disk_number, mount_status, header_status, state, path FROM v$asm_disk ;
GROUP_NUMBER DISK_NUMBER MOUNT_S HEADER_STATU STATE PATH
------------ ----------- ------- ------------ -------- ------------------------------
2 4 CACHED MEMBER NORMAL /dev/rhdiskpower16
1 0 CACHED MEMBER NORMAL /dev/rhdiskpower19
1 1 CACHED MEMBER NORMAL /dev/rhdiskpower20
2 3 CACHED MEMBER NORMAL /dev/rhdiskpower21
3 0 CACHED MEMBER NORMAL /dev/rhdiskpower22
3 1 CACHED MEMBER NORMAL /dev/rhdiskpower23
2 0 CACHED MEMBER NORMAL /dev/rhdiskpower24
2 1 CACHED MEMBER NORMAL /dev/rhdiskpower25
2 2 CACHED MEMBER NORMAL /dev/rhdiskpower26
2 5 CACHED MEMBER NORMAL /dev/rhdiskpower27
2 6 CACHED MEMBER NORMAL /dev/rhdiskpower28
11 rows selected.
SQL>
select name,total_mb,free_mb,(free_mb/total_mb)*100,state from v$asm_diskgroup;SQL>
NAME TOTAL_MB FREE_MB (FREE_MB/TOTAL_MB)*100 STATE
-------------------- ---------- ---------- ---------------------- -----------
ARCH1 69712 58436 83.8248795 MOUNTED
DATA1 801693 399195 49.7939985 MOUNTED
FRA1 139424 138484 99.3257976 MOUNTED
1. Please check the ASM status by running the below script and upload the resulting html.
SPOOL ASM_1.HTML
SET MARKUP HTML ON
set echo on
setpagesize 200
alter session set nls_date_format='DD-MON-YYYY HH24:MI:SS';
select 'THIS ASM REPORT WAS GENERATED AT: ==)> ' , sysdate " " from dual;
select 'HOSTNAME ASSOCIATED WITH THIS ASM INSTANCE: ==)> ' , MACHINE " " from v$session where program like '%SMON%';
select * from v$asm_diskgroup;
SELECT * FROM V$ASM_DISK ORDER BY GROUP_NUMBER,DISK_NUMBER;
SELECT * FROM V$ASM_CLIENT;
select * from V$ASM_ATTRIBUTE;
select * from v$asm_operation;
select * from gv$asm_operation;
select * from v$version;
show parameter asm
show parameter cluster
show parameter instance_type
show parameter instance_name
show parameter spfile
showsga
spool off
exit
ASM Lun Migration
while true
do
sqlplus -s "/as sysasm" @chk.sql
sleep 10
done
chk.sql
---------------------------------------------------------------------------------------
COL % FORMAT 100.0
SELECT name, free_mb, total_mb, free_mb/total_mb*100 "%", STATE FROM v$asm_diskgroup;
setlinesize 300 pages 300;
col path for a30
column name format a20;
column G# format 99;
column D# format 99;
col state for a10
col HEADER_STATUS for a10
selecta.group_number G#, a.disk_number D#, a.state, header_status,
a.redundancy, a.name,a.path, a.OS_MB/1024 size_GB,a.total_mb, a.free_mb, (a.total_mb - a.free_mb) used_mb
fromv$asm_diska order by a.name;
select * from v$asm_operations;
exit;
---------------------------------------------------------------------------------------
Pre-checks:
------------
1. Ensure all the databases associated with ASM are backedup with Full or Level0.
2. Take a MD backup for all the DGS.--> ASMCMD>md_backup mdbkup_10JUN2012 -G DATA1,ARCH1,FRA1
3. crs_stat -t
4. lsnrctl status
5. set the rebalance power to 0.
Main steps:
1. Create a DUMMY disk group.
2. Add all the CANDIDATE Luns to the Dummy disk group.
3. Check if all the Disk groups in MOUNTED status
4. Monitor the ASM alert log.
5. Remove all the added Luns from DUMMY disk group one by one (you may not be able to remove the last Lun) and rebalance for each Lun.
6. Now all the removed Luns (from DUMMY) will be in FORMER status and rebalance when required.
7. Add each FORMER Lun into FRA1, ARCH1 and DATA1 disk groups and rebalance when required.
8. Check if all the Disk groups in MOUNTED status
9. Monitor the ASM alert log and check for any erros
10. Run the below command to check the status of each Diskgroup:
SQL>ALTER DISKGROUP DATA1 CHECK ALL; --> check the output of this in the alert log.
create a diskgroup:
creatediskgroup DUMMY external redundancy disk '/dev/rdsk/emcpower112g'; --> PATH from v$asm_disk
Add the other Luns:
ALTER DISKGROUP SUMMY ADD DISK '<LUN_NAME>';
Drop a disk from any diskgroup :
ALTER DISKGROUP DUMMY DROP DISK DUMMY_0000; --> NAME from v$asm_disk for the Lun -->/dev/rdsk/emcpower112g
Rebalance the diskgroup:
ALTER DISKGROUP DUMMY REBALANCE POWER 5 wait;
The following are the Luns to be migrated:
/dev/rdsk/emcpower112g
/dev/rdsk/emcpower116g
/dev/rdsk/emcpower120g
/dev/rdsk/emcpower12g
/dev/rdsk/emcpower16g
/dev/rdsk/emcpower20g
/dev/rdsk/emcpower24g
/dev/rdsk/emcpower28g
/dev/rdsk/emcpower32g
/dev/rdsk/emcpower36g
/dev/rdsk/emcpower40g
/dev/rdsk/emcpower42g
/dev/rdsk/emcpower45g
/dev/rdsk/emcpower49g
/dev/rdsk/emcpower58g
/dev/rdsk/emcpower63g
/dev/rdsk/emcpower66g
/dev/rdsk/emcpower72g
/dev/rdsk/emcpower78g
/dev/rdsk/emcpower80g
/dev/rdsk/emcpower88g
/dev/rdsk/emcpower92g
$ df -h |grepdbs
dropdiskgroup dummy force including contents;
select * from v$asm_operation;
selectname,state from v$asm_diskgroup;
select GROUP_NUMBER,NAME,HEADER_STATUS,TOTAL_MB,FREE_MB from V$ASM_DISK;
Alter System Set ASM_POWER_LIMIT=1;
ALTER SYSTEM SET asm_diskstring='/dev/sdp*,/dev/sdq*,/dev/oracleasm/disks/*' SCOPE=BOTH;
alter diskgroup DATA mount
alter diskgroup FRA mount
CREATE DISKGROUP REDO1 EXTERNAL REDUNDANCY DISK '/dev/oracleasm/disks/PROD_REDO1' SIZE 20464M ATTRIBUTE 'compatible.asm'='11.2.0.0.0','au_size'='1M' /* ASMCA */
CREATE DISKGROUP REDO2 EXTERNAL REDUNDANCY DISK '/dev/oracleasm/disks/PROD_REDO2' SIZE 20464M ATTRIBUTE 'compatible.asm'='11.2.0.0.0','au_size'='1M' /* ASMCA */
alter diskgroup FRA add disk '/dev/oracleasm/disks/PROD_FRA1','/dev/oracleasm/disks/PROD_FRA2' rebalance power 11
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