Categoria: Oracle

Alter Flash Cache Mode on Storage Server in Exadata and Zero Data Loss Recovery Appliance

10 de dezembro de 2025

Flash Cache is a mechanism that use the high-performance flash storage on Exadata Storage Servers to keep frequently used data and index blocks readily available. It operates as a fast cache between the slower disks and the database servers, greatly reducing I/O wait time and improving overall system performance for both OLTP and data warehousing. … Mais Alter Flash Cache Mode on Storage Server in Exadata and Zero Data Loss Recovery Appliance

How to Set SSH User Equilance in All Storage Server in Exadata and Zero Data Loss Recovery Appliance

27 de novembro de 2025

Many tasks in an Exadata and Zero Data Loss Recovery Appliance environment, you can do connected in one server and then, execute the operation in many servers and storage servers in one time. But for this, as premise, all ssh connections must be done without password, using user key equivalence. One way to set this … Mais How to Set SSH User Equilance in All Storage Server in Exadata and Zero Data Loss Recovery Appliance

Adding More Space on Zero Data Loss Recovery Appliance Backup Export ACFS Directory

12 de novembro de 2025

Oracle Zero Data Loss Recovery Appliance run every day a backup export of RMAN catalog database, ZDLRA`s database. These backups exported are stored on /raacfs/raadmin ACFS directory that belong the disk group DELTA. shared by all of dbnodes of appliance. As the database increases and the backups as well, you will have to increase this … Mais Adding More Space on Zero Data Loss Recovery Appliance Backup Export ACFS Directory

Configuring Backup and Redo Failover of Protected Databases from Primary ZDLRA to an Alternate ZDLRA During Maintenance or Unavailability, Without Creating a Backup

21 de agosto de 2025

In an environment where Backup and Redo Apply are configured, a protected database sends backups and redos to a primary Recovery Appliance under normal circumstances. When the primary appliance is unavailable, the protected database sends backups and redos to an alternate Recovery Appliance until the service on the primary is restored. The alternate appliance does … Mais Configuring Backup and Redo Failover of Protected Databases from Primary ZDLRA to an Alternate ZDLRA During Maintenance or Unavailability, Without Creating a Backup

Configuring Real-Time Redo Transport on Zero Data Loss Recovery Appliance

29 de julho de 2025

Real-Time Redo Transport is a mechanism used to send redo information directly from the buffer protected database to Zero Data Loss Recovery Appliance, minimizing the backup gap, turning restore point for protected databases using ZDLRA, with zero data loss. With each redo data sent to the ZDLRA, the appliance creates a backup, which, together with … Mais Configuring Real-Time Redo Transport on Zero Data Loss Recovery Appliance

Configuring Replication on Zero Data Loss Recovery Appliance

21 de julho de 2025

Oracle Zero Data Loss is the most powerfull Oracle Database Backup Appliance in the market. Full integration with RMAN, Data Guard, Multitenant Architecture and much more. On this article, let’s see how to Configure replication between 2 ZDLs, building a High Availability backup architecture. First, let’s explain all the information used in this article: We … Mais Configuring Replication on Zero Data Loss Recovery Appliance

Duplicate Database For Standby From Active Database

14 de julho de 2025

In this article, we will create a data guard standby database using RMAN active database. For this, we need to configure both servers, primary and secondary, with the listener.ora and tnsnames.ora files, ensuring cross-connections between the servers. This setup allows the primary server to access the database on the secondary server and vice versa. For primary database follow the … Mais Duplicate Database For Standby From Active Database

Duplicate Database Cluster Oracle Environment Using From Active Database

20 de junho de 2025

In this article, I will demonstrate how to perform data cloning using the duplicate database method without using a backup, or as some may prefer to call, via active database, on different servers. This method of database cloning without a backup is a feature introduced in version 11g and in previous versions, cloning was only possible if a full backup had … Mais Duplicate Database Cluster Oracle Environment Using From Active Database

How To Upgrade Autonomous Health Framework on ZDL Manually

4 de junho de 2025

Autonomous Health Framework or only AHF, is a diagnostic and system performance framework designed to keep database systems healthy and running while minimizing human reaction time. If you tried to run ahfctl upgrade and for some reason you had problems with upgrade file, for example, network limitations to download it, let’s see how to upgrade … Mais How To Upgrade Autonomous Health Framework on ZDL Manually

Integrating Oracle and PostgreSQL via Heterogeneous Services

21 de fevereiro de 2025

In this article, I will show how to integrate an Oracle database with a PostgreSQL database. First, we need to gather all the necessary information, such as: Let’s validate if the firewall and SELinux are disabled on the PostgreSQL server. For CentOS and Red Hat 7 and higher, stop service this way: For lower: To … Mais Integrating Oracle and PostgreSQL via Heterogeneous Services