How Oracle Active Data Guard provides better Disaster Recovery than AWS RDS Read Replicas
Introduction Recently I have been asked whether AWS RDS for Oracle provides a solid disaster recovery solution using Read Replicas based on Oracle Active Data Guard. Oracle (Active) Data Guard is undoubtedly Oracle’s most comprehensive data protection and disaster recovery solution for Oracle Database. However, whenever I read or hear “RDS”, the next word that…
Ensure Disaster Recovery by replicating Automatic Backups across Regions in Oracle Cloud
Introduction Before we start, I want to mention that Oracle (Active) Data Guard provides the best disaster recovery solution for Oracle Databases with zero data loss and minimal recovery time. Restoring from backup usually comes with a much higher RPO and RTO than what Data Guard provides. However, if restoring from backup satisfies your application’s…
How to mount an Oracle Object Storage Bucket as File System on Oracle Linux 7
Introduction Mounting an Object Storage bucket as a local file system simplifies file management and provides you with additional cost-efficient storage space that can be used as if it were on the local server. Once the bucket is mounted, you simply access, add, and remove any files in the local folder, and the changes will…
Three Ways to Use Backups for Disaster Recovery across Regions in Oracle Cloud
Introduction Oracle Data Guard provides zero or near zero data loss and a recovery time of just a few minutes. For unrecoverable failure, a restore from backup usually takes hours and restores your data to the last backup. If you have applications that tolerate the RTO and RPO provided by a restore from backup, having…
Why and How to install OCI CLI in a Virtual Environment on Oracle Cloud
Introduction Oracle Cloud Infrastructure (OCI) Command Line Interface (CLI) is a small-footprint tool that lets you create and manage resources in Oracle Cloud using a command line interface. It enables you to automate tasks and makes things easier. The Quickstart documentation provides quick installation instructions. However, installations via RPM (Red Hat Package Manager) on Base…
Fast-Start Failover in Data Guard Environments on Oracle Cloud
Introduction Oracle Data Guard and Active Data Guard ensure high availability and disaster recovery during maintenance operations and in case of outages. Recovery Point Objective (RPO) of zero (zero data loss) can be achieved by setting up SYNC or FASTSYNC replication, even at any distance, using Far Sync without compromising performance. Recovery Time Objective (RTO)…
How to Move PDBs across CDBs with different Database Block Sizes with Minimal Downtime
Introduction Plugging a PDB into a CDB with a different database block size is possible, as in Doc ID 2027614.1. You only need to configure the target’s CDB buffer cache to have buffers of the block size of the PDB to be plugged in, which is done by setting the db_nk_cache_size database parameter in the…
Oracle Database Service for Azure (ODSA) vs. Oracle Interconnect for Azure
Introduction Since the Oracle Database Service for Azure (ODSA) has been recently announced, it has gained much traction. This comes as little surprise, as the new service offers an Oracle-managed and entirely automated way to enable multicloud solutions on Azure and OCI. But wait for a second! Microsoft and Oracle have already partnered for a…
Oracle Database Service for Azure (ODSA) – What, Why, and How
Introduction I’m pretty sure you have already heard about the newly released Oracle Database Service for Azure (ODSA) service. If not, then you missed something. Either case, here you get a summary of the background, challenges, features, benefits, and much more about ODSA. Multicloud In previous blog posts, we talked more in detail about the…
Greater Security with Crypto-secure Data Management in Oracle Autonomous Database
Introduction Oracle Autonomous Database provides a fully automated, self-securing database service with a wide range of security features, including: Always-on Transparent Data Encryption (TDE) to secure your data at rest. Automated encrypted backups. SQL*Net encryption for client connections. Oracle-managed and customer-managed encryption keys. Access Control Lists to restrict access to trusted sources only. Database Vault…
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