Find OCR & voting disk location ~ Blog for oracle RAC Goldengate Dataguard ASM database

Voting Disk: It manage information about node membership. Each voting disk must be accessible by all nodes in the cluster.

If any node is not passing heat-beat across other note or voting disk, then that node will be evicted by Voting disk.

Minimum 1 and maximum 15 copy of voting disk is possible.

To check voting disk location.

crsctl query css votedisk

[grid@dm01db01 ~]$ crsctl query css votedisk

##  STATE    File Universal Id                File Name Disk group
--  -----    -----------------                --------- ---------
 1. ONLINE   900f8d6654a14fd2bf86124fe905e05c (/dev/oracleasm/disks/OCR_VOTE) [OCR_VOTE]
Located 1 voting disk(s).

OCR: It created at the time of Grid Installation. It’s store information to manage Oracle cluster-ware and it’s component such as RAC database, listener, VIP,Scan IP & Services. Minimum 1 and maximum 5 copy of OCR is possible.

Check OCR location

ocrcheck

I have ran the command twice one from grid user and 1 from root user only diffrience is from grid or oracle user it will bypass the logical corruption check if you need to do logical corruption check run it as root

[grid@dm01db01 ~]$ ocrcheck
Status of Oracle Cluster Registry is as follows :
         Version                  :          4
         Total space (kbytes)     :     409568
         Used space (kbytes)      :       1612
         Available space (kbytes) :     407956
         ID                       :  713692602
         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 bypassed due to non-privileged user

From Root User :

[root@dm01db01 ~]# cd /oracle/app/grid/gr_home/bin/
[root@dm01db01 bin]# ./ocrcheck
Status of Oracle Cluster Registry is as follows :
         Version                  :          4
         Total space (kbytes)     :     409568
         Used space (kbytes)      :       1612
         Available space (kbytes) :     407956
         ID                       :  713692602
         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

Or you can also check

cat /etc/oracle/ocr.loc also give you the location of ocr

[grid@dm01db01 ~]$ cat /etc/oracle/ocr.loc
ocrconfig_loc=+OCR_VOTE/dm01db/OCRFILE/registry.255.1038409371
local_only=false

Find OCR & voting disk location

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