Introduction Since patch version 19.21 (current one is 19.25), Oracle Database Appliance (ODA) X7, X8 and X9 will require the use of Data Preserving Reprovisioning (DPR) to apply the patch coming from 19.20 and previous releases. Unlike traditional patching, DPR erases the system disks but keeps data on ASM/ACFS disks. Data means databases, ACFS volumes, DB homes, DB Systems and…
I recently deployed a new installation at one customer with 2 linux servers and 2 Oracle SE2 databases with dbvisit StandbyMP v11 disaster recovery solution. I prepared the standby database using RMAN duplication method, and then just wanted to create the dbvisit DDC configuration using CLI command. I had to troubleshoot one error, and wanted to share quickly the solution…
One of our oldest partners, DBVISIT, recently released their product StandbyMP for PostgreSQL. The goal of this product is to provide a graphical user and management interface over a PostgreSQL streaming replication cluster. In this post we’re going to set this up, and in a follow up post we’ll see how this product can be used to easily switchover to…
As you might know Dbvisit StandbyMP is a great Disaster Recovery solution for Oracle SE databases. Dbvisit recently communicated, providing now, a Test Drive system for customer to easily try the product and for partner to easily have a Demo environment. In less than 2 minutes, an environment with a Control Center host and multiple database server hosts with either…
As you might know, Oracle doesn’t offer any disaster recovery solution for their Oracle Standard Edition databases. Oracle Data Guard ensures high availability, data protection and disaster recovery for Oracle Enterprise Edition database only. Dbvisit is a great disaster recovery solution for Oracle Standard Edition database, and you might be aware that you can now, as well, create snapshot databases…
I recently wrote an article about how to combine Oracle SEHA database running on ODA 2-HA and dbvisit StandbyMP solution. See my article here : https://www.dbi-services.com/blog/combine-oracle-seha-on-oda-with-dbvisit-standbymp/. But are really all those high availability and disaster recovering solutions working together? Do Oracle SEHA relocate and failover functionalities work in conjunction with dbvisit StandbyMP switchover? Let’s see and try it! Test environment…
I recently blog on Oracle SEHA on ODA, see my article https://www.dbi-services.com/blog/seha-on-oda/. Oracle SEHA is used for High Availability for Standard Edition. Dbvisit Standby is a Disaster Recovery well known application designed for Oracle Standard Edition. Dbvisit guarantees database continuity, and will reduce RTO and RPO. With Dbvisit we will limit business impact in case of failure like hardware, operating…
Would you like to quickly provide your engineering team with a real production environment database with updated data to develop new features? Does your operational team need a copy of the production database to test a new release or a new patch? “Easy” would you say. “Let’s do a clone and duplicate the production database with RMAN!”. Yes, but would…
If I had to rank my favorite Oracle-related tools and software, Dbvisit Standby would likely be at the top of the list. You are reading this post, so you probably know that Dbvisit Standby is a Disaster/Recovery solution for Oracle Database Standard Edition (aka Data Guard for poor people 😛 ). The reasons why I like this product are mostly…
Through this blog, I would like to show, with a real customer case, how I have been migrating databases in High Availability environment on an ODA. High Availability using Data Guard for Oracle Enterprise Edition or dbvisit for Oracle Standard Edition 2. One of the advantage here would be to use the Standby Database as fallback in case there would…
I have been recently deploying dbvisit version 9.0.10 on Standard Edition SE2 18.7. Graceful switchover failed with error : ORA-00600: Interner Fehlercode, Argumente: [17090], [], [], [], [], [], [], [], [], [],[], [] (DBD ERROR: OCIStmtExecute) Problem description Running a graceful switchover will fail with ORA-00600 when converting the standby database if Unified Auditing is enabled. Output would be…
During one last ODA project, I was deploying dbvisit software version 9.0.10 on Oracle database SE Edition version 18.7. From time to time I was getting lost write of a data block with type KTU UNDO on the standby. Through this blog, I would like to share my investigation and experience on this subject. Problem description Applying archive log on…
