Rename Existing Diskgroup and create new disk group in Oracle ASM
RMAN> alter database open resetlogs;
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of sql statement command at 12/18/2019 10:25:39
ORA-00349: failure obtaining block size for '+LOG1/bacdb/redo01a.rdo'
ORA-15001: diskgroup "LOG1" does not exist or is not mounted
ORA-15001: diskgroup "LOG1" does not exist or is not mounted
ORA-15001: diskgroup "LOG1" does not exist or is not mounted
RMAN>
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 6752416 447285 306928 70178 0 N DATA/
MOUNTED EXTERN N 512 4096 1048576 1227964 1216729 0 1216729 0 N UFRA/
MOUNTED EXTERN N 512 4096 1048576 20267 8929 0 8929 0 N ULOG1/
MOUNTED EXTERN N 512 4096 1048576 20267 8929 0 8929 0 N ULOG2/
MOUNTED EXTERN N 512 4096 1048576 20267 8929 0 8929 0 N ULOG3/
ASMCMD>
-bash-4.1$ sqlplus
SQL*Plus: Release 12.1.0.2.0 Production on Wed Dec 18 10:32:17 2019
Copyright (c) 1982, 2014, Oracle. All rights reserved.
Enter user-name: /as sysasm
Connected to:
Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production
With the Automatic Storage Management option
SQL> alter diskgroup ulog1 dismount;
Diskgroup altered.
SQL> alter diskgroup ulog2 dismount;
Diskgroup altered.
SQL> alter diskgroup ulog3 dismount;
Diskgroup altered.
SQL> exit
Disconnected from Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production
With the Automatic Storage Management option
-bash-4.1$ asmcmd
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 6752416 447285 306928 70178 0 N DATA/
MOUNTED EXTERN N 512 4096 1048576 1227964 1216729 0 1216729 0 N UFRA/
ASMCMD>
renamedg dgname=ulog1 newdgname=log1 verbose=true check=true
-bash-4.1$ renamedg dgname=ulog1 newdgname=log1 verbose=true check=true
Parsing parameters..
Parameters in effect:
Old DG name : ULOG1
New DG name : LOG1
Phases :
Phase 1
Phase 2
Discovery str : (null)
Check : TRUE
Clean : TRUE
Raw only : TRUE
renamedg operation: dgname=ulog1 newdgname=log1 verbose=true check=true
Executing phase 1
Discovering the group
Performing discovery with string:
Identified disk UFS:/dev/rdsk/c0t600601607E734D001E78DB5D1E6BE161d0s0 with disk number:0 and timestamp (33091441 -1849335808)
Checking for hearbeat...
Re-discovering the group
Performing discovery with string:
Identified disk UFS:/dev/rdsk/c0t600601607E734D001E78DB5D1E6BE161d0s0 with disk number:0 and timestamp (33091441 -1849335808)
Checking if the diskgroup is mounted or used by CSS
Checking disk number:0
Generating configuration file..
Completed phase 1
Executing phase 2
Looking for /dev/rdsk/c0t600601607E734D001E78DB5D1E6BE161d0s0
Leaving the header unchanged
Completed phase 2
Terminating kgfd context 1001bdc90
-bash-4.1$
-bash-4.1$ renamedg dgname=ulog2 newdgname=log2 verbose=true check=true
Parsing parameters..
Parameters in effect:
Old DG name : ULOG2
New DG name : LOG2
Phases :
Phase 1
Phase 2
Discovery str : (null)
Check : TRUE
Clean : TRUE
Raw only : TRUE
renamedg operation: dgname=ulog2 newdgname=log2 verbose=true check=true
Executing phase 1
Discovering the group
Performing discovery with string:
Identified disk UFS:/dev/rdsk/c0t600601607E734D001E78DB5D99FC3B3Cd0s0 with disk number:0 and timestamp (33091441 -1832428544)
Checking for hearbeat...
Re-discovering the group
Performing discovery with string:
Identified disk UFS:/dev/rdsk/c0t600601607E734D001E78DB5D99FC3B3Cd0s0 with disk number:0 and timestamp (33091441 -1832428544)
Checking if the diskgroup is mounted or used by CSS
Checking disk number:0
Generating configuration file..
Completed phase 1
Executing phase 2
Looking for /dev/rdsk/c0t600601607E734D001E78DB5D99FC3B3Cd0s0
Leaving the header unchanged
Completed phase 2
Terminating kgfd context 1001bdc90
-bash-4.1$
-bash-4.1$ renamedg dgname=ulog3 newdgname=log3 verbose=true check=true
Parsing parameters..
Parameters in effect:
Old DG name : ULOG3
New DG name : LOG3
Phases :
Phase 1
Phase 2
Discovery str : (null)
Check : TRUE
Clean : TRUE
Raw only : TRUE
renamedg operation: dgname=ulog3 newdgname=log3 verbose=true check=true
Executing phase 1
Discovering the group
Performing discovery with string:
Identified disk UFS:/dev/rdsk/c0t600601607E734D001E78DB5DFF0A0E8Ed0s0 with disk number:0 and timestamp (33091441 -1809569792)
Checking for hearbeat...
Re-discovering the group
Performing discovery with string:
Identified disk UFS:/dev/rdsk/c0t600601607E734D001E78DB5DFF0A0E8Ed0s0 with disk number:0 and timestamp (33091441 -1809569792)
Checking if the diskgroup is mounted or used by CSS
Checking disk number:0
Generating configuration file..
Completed phase 1
Executing phase 2
Looking for /dev/rdsk/c0t600601607E734D001E78DB5DFF0A0E8Ed0s0
Leaving the header unchanged
Completed phase 2
Terminating kgfd context 1001bdc90
-bash-4.1$
-bash-4.1$ asmcmd lsdg -g ulog1
ASMCMD-8001: diskgroup 'ulog1' does not exist or is not mounted
-bash-4.1$ asmcmd lsdg -g log1
ASMCMD-8001: diskgroup 'log1' does not exist or is not mounted
-bash-4.1$
-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$asm_diskgroup;
NAME STATE
------------------------------ -----------
ULOG2 DISMOUNTED
ULOG3 DISMOUNTED
DATA MOUNTED
ULOG1 DISMOUNTED
UFRA MOUNTED
SQL>
clean up the asm disk header of all the disks in the diskgroup
dd if=/dev/zero of=/dev/oracle/dg/c11t7d0 bs=8192 count=100
dd if=/dev/zero of=/dev/rdsk/c0t600601607E734D001E78DB5D1E6BE161d0s0 bs=8192 count=100
SQL> select name ,state from v$asm_diskgroup;
NAME STATE
------------------------------ -----------
ULOG2 DISMOUNTED
ULOG3 DISMOUNTED
DATA MOUNTED
UFRA MOUNTED
SQL>
clean up the asm disk header of all the disks in the diskgroup
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$asm_diskgroup;
NAME STATE
------------------------------ -----------
DATA MOUNTED
UFRA MOUNTED
SQL>
CREATE DISKGROUP LOG1
EXTERNAL REDUNDANCY
DISK '/dev/rdsk/c0t600601607E734D001E78DB5D1E6BE161d0s0' SIZE 20267M NOFORCE
ATTRIBUTE
'AU_SIZE'='1048576',
'COMPATIBLE.RDBMS'='11.1.0.0.0',
'COMPATIBLE.ASM'='11.1.0.0.0';
ALTER DISKGROUP LOG1
SET ATTRIBUTE 'DISK_REPAIR_TIME' = '3.6 H';
CREATE DISKGROUP LOG2
EXTERNAL REDUNDANCY
DISK '/dev/rdsk/c0t600601607E734D001E78DB5D99FC3B3Cd0s0' SIZE 20267M NOFORCE
ATTRIBUTE
'AU_SIZE'='1048576',
'COMPATIBLE.RDBMS'='11.1.0.0.0',
'COMPATIBLE.ASM'='11.1.0.0.0';
ALTER DISKGROUP LOG2
SET ATTRIBUTE 'DISK_REPAIR_TIME' = '3.6 H';
CREATE DISKGROUP LOG3
EXTERNAL REDUNDANCY
DISK '/dev/rdsk/c0t600601607E734D001E78DB5DFF0A0E8Ed0s0' SIZE 20267M NOFORCE
ATTRIBUTE
'AU_SIZE'='1048576',
'COMPATIBLE.RDBMS'='11.1.0.0.0',
'COMPATIBLE.ASM'='11.1.0.0.0';
ALTER DISKGROUP LOG3
SET ATTRIBUTE 'DISK_REPAIR_TIME' = '3.6 H';
SQL> select name ,state from v$asm_diskgroup;
NAME STATE
------------------------------ -----------
LOG2 MOUNTED
LOG1 MOUNTED
LOG3 MOUNTED
DATA MOUNTED
UFRA MOUNTED
SQL>
