Clusterware

How to Backup Clusterware OCR and Voting Disk

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In this post, I will introduce some ways to backup Oracle Cluster Registry (OCR) data and voting disk in case of losing all configuration. Backup OCR Data 1. OCR Dumps Oracle provides an utility ocrconfig to export OCR data to a dump file like this: [root@primary01 ~]# . /home/oracle/.bash_profile [root@primary01 ~]# cd /backup/ [root@primary01 backup]# […]
Control File

How to Check Control File Size

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Check Control File Size Control file is a file that have several file attributes including size, but when database is stored upon raw devices, your control files are just symbolic links that represent raw devices. You have no way to check the usage of a raw device. Here are several ways that can check the […]