crsctl

Scripts to Backup and Restore Oracle Home

by Ed Chen
September 11, 2020December 9, 2022

There're several items that we may consider to backup periodically: Oracle inventory It's a centralized repository of Oracle software installed on the server. I have… Read More »

How to Restore RAC Database from RMAN Backup Set

by Ed Chen
July 4, 2019December 10, 2022

For 10g RAC database restoration, you may check: How to Restore 10g RAC Database from a Backup Set. Suppose we have restored 12c clusterware back.… Read More »

How to Restore OCR and Voting Disk

by Ed Chen
June 30, 2019February 21, 2023

There're 2 procedures of restoring OCR and voting disk in this post. They are: Restore OCR and Voting Disk For 12c Clusterware Restore OCR and… Read More »

How to Create ACFS File System

by Ed Chen
October 26, 2018December 10, 2022
2 Comments

ACFS File System What is ACFS? ASM Cluster File System (ACFS) is an extension of ASM, which can mount as a file system in your… Read More »

How RAC Change Public IP

by Ed Chen
December 14, 2016February 13, 2023

Identify which interface that you should modify. [grid@oda0 ~]$ oifcfg getif -global bond0 10.0.18.0 global public ibbond0 192.168.2.0 global cluster_interconnect,asm OK, we found bond0 is… Read More »

How to Build 12c RAC (6/6) - Post-Installation Verification

by Ed Chen
September 24, 2015January 17, 2021

How to Build 12c RAC (5/6) - Installing RAC Database Finally, we have installed 1 NAS for shared storage, 1 DNS for SCAN round robin,… Read More »

What Oracle Command-line Utilities Need Authentication - Oracle

by Ed Chen
January 11, 2013December 11, 2022

Oracle provides many utilities to operate the infrastructure and database. Some of them need authentications to access database, but some don't. The bottom line is… Read More »

How RAC DB Auto Start after Reboot

by Ed Chen
November 7, 2012July 4, 2022

There're two sections that you have to configure in order to automatically start a RAC database after system reboots. RAC Level Grid Level A. RAC… Read More »