Migrate OCR ASM Diskgroup To New ASM Diskgroup

OCR

Perform ocr backup.

~]# /u01/app/11.2.0/grid/bin/ocrconfig -manualbackup
rac2     2022/05/06 09:21:54     /u01/app/11.2.0/grid/cdata/rac-cluster/backup_20220506_092154.ocr

~]# /u01/app/11.2.0/grid/bin/ocrconfig -showbackup
PROT-24: Auto backups for the Oracle Cluster Registry are not available
rac2     2022/05/06 09:21:54     /u01/app/11.2.0/grid/cdata/rac-cluster/backup_20220506_092154.ocr

Perform ocrcheck.

~]# /u01/app/11.2.0/grid/bin/ocrcheck
Status of Oracle Cluster Registry is as follows :
         Version                  :          3
         Total space (kbytes)     :     262120
         Used space (kbytes)      :       3012
         Available space (kbytes) :     259108
         ID                       :  354983601
         Device/File Name         :  +OCR_VOTE
                                    Device/File integrity check succeeded

                                    Device/File not configured

                                    Device/File not configured

                                    Device/File not configured

                                    Device/File not configured

         Cluster registry integrity check succeeded

         Logical corruption check succeeded

Create a new NEW_OCRVOTE diskgroup.

CREATE DISKGROUP NEW_OCRVOTE NORMAL REDUNDANCY
FAILGROUP F1 DISK
'ORCL:NEW_OCRVOTE1','ORCL:NEW_OCRVOTE2'
FAILGROUP F2 DISK
'ORCL:NEW_OCRVOTE3','ORCL:NEW_OCRVOTE4'
ATTRIBUTE 'COMPATIBLE.ASM' = '11.2';

Add new ocrmirror.

~]# /u01/app/11.2.0/grid/bin/ocrconfig -add +NEW_OCRVOTE
~]# /u01/app/11.2.0/grid/bin/ocrcheck
Status of Oracle Cluster Registry is as follows :
         Version                  :          3
         Total space (kbytes)     :     262120
         Used space (kbytes)      :       3012
         Available space (kbytes) :     259108
         ID                       :  354983601
         Device/File Name         :  +OCR_VOTE
                                    Device/File integrity check succeeded

         Device/File Name         :  +NEW_OCRVOTE
                                    Device/File integrity check succeeded

                                    Device/File not configured

                                    Device/File not configured

                                    Device/File not configured

         Cluster registry integrity check succeeded

         Logical corruption check succeeded

Delete old ocr device.

~]# /u01/app/11.2.0/grid/bin/ocrconfig -delete +OCR_VOTE
~]# /u01/app/11.2.0/grid/bin/ocrcheck
Status of Oracle Cluster Registry is as follows :
         Version                  :          3
         Total space (kbytes)     :     262120
         Used space (kbytes)      :       3012
         Available space (kbytes) :     259108
         ID                       :  354983601
         Device/File Name         :  +NEW_OCRVOTE
                                    Device/File integrity check succeeded

                                    Device/File not configured

                                    Device/File not configured

                                    Device/File not configured

                                    Device/File not configured

         Cluster registry integrity check succeeded

         Logical corruption check succeeded

Voting Disks

Query css votedisk.

~]$ crsctl query css votedisk
##  STATE    File Universal Id                File Name Disk group
--  -----    -----------------                --------- ---------
 1. ONLINE   adbb58e65c384ff0bf5fc171cba469a4 (ORCL:OCR_VOTE1) [OCR_VOTE]
Located 1 voting disk(s).

Replace votedisk.

~]$ crsctl replace votedisk +NEW_OCRVOTE

~]$ crsctl query css votedisk
##  STATE    File Universal Id                File Name Disk group
--  -----    -----------------                --------- ---------
 1. ONLINE   adbb58e65c384ff0bf5fc171cba469a4 (ORCL:NEW_OCRVOTE1) [NEW_OCRVOTE]
 2. ONLINE   07d2464674ac4fabbf27f3132d8448b0 (ORCL:NEW_OCRVOTE2) [NEW_OCRVOTE]
 3. ONLINE   9761ccf221524f66bff0766ad5721239 (ORCL:NEW_OCRVOTE3) [NEW_OCRVOTE]
Located 3 voting disk(s).

ASM spfile

Replace asm spfile to new diskgroup.

~]$ sqlplus / as sysasm

SQL> show parameter spfile;
NAME                                TYPE        VALUE
------------------------------------ ----------- ------------------------------
spfile                               string      +OCR_VOTE/rac-cluster/asmparame
                                                 terfile/registry.253.946671547
SQL> create pfile='/u01/app/grid/asmpfile.ora' from spfile;
File created.

SQL> create spfile='+NEW_OCRVOTE' from pfile='/u01/app/grid/asmpfile.ora';
File created.

Restart cluster.

~]# /u01/app/11.2.0/grid/bin/crsctl stop cluster -all
~]# /u01/app/11.2.0/grid/bin/crsctl start cluster -all