oracle_grid_sa_br_ocrbackup [My wiki]

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======Overview======

Backup of the OCR can be done by either:

  - Manual Backup
  - Export

====Manual Backup====
The manual backup can be performed via the following command:

<sxh bash>
[root@lparaca install]# ocrconfig -manualbackup

lparaca     2018/01/23 03:51:00     +DATA:/lparac-scan/OCRBACKUP/backup_20180123_035100.ocr.297.966138661     0

lparaca     2018/01/21 14:01:51     +DATA:/lparac-scan/OCRBACKUP/backup_20180121_140151.ocr.291.966002513     0
[root@lparaca install]#
</sxh>

The status/list of all backups can be displayed as follows:

<sxh bash>
[root@lparaca install]# ocrconfig -showbackup

lparacb     2018/01/22 15:10:50     +DATA:/lparac-scan/OCRBACKUP/backup00.ocr.296.966093047     0

lparacb     2018/01/22 11:10:45     +DATA:/lparac-scan/OCRBACKUP/backup01.ocr.295.966078639     0

lparacb     2018/01/22 07:10:36     +DATA:/lparac-scan/OCRBACKUP/backup02.ocr.292.966064231     0

lparacb     2018/01/22 07:10:36     +DATA:/lparac-scan/OCRBACKUP/day.ocr.293.966064237     0

lparacb     2018/01/22 07:10:36     +DATA:/lparac-scan/OCRBACKUP/week.ocr.294.966064239     0

lparaca     2018/01/23 03:51:00     +DATA:/lparac-scan/OCRBACKUP/backup_20180123_035100.ocr.297.966138661     0

lparaca     2018/01/21 14:01:51     +DATA:/lparac-scan/OCRBACKUP/backup_20180121_140151.ocr.291.966002513     0
[root@lparaca install]#
</sxh>


====Export====
The export, exports only the metadata, but cannot recreate them. Exports should be done before any major change, such as adding / removing of a node.

<sxh bash>
[root@lparaca install]# ocrconfig -export /tmp/ocr.exp
PROT-58: successfully exported the Oracle Cluster Registry contents to file '/tmp/ocr.exp'



</sxh>
Usually, backup are done automatically by the GridInfra itself, however is never bad to perform your own.

<WRAP center round important 100%>
From 11gR2, the voting disk is backed up with the OCR backup. Keep in mind that if you have <11gR2 cluster you have to use "dd" to backup the voting disk:
</WRAP>