How do I move my RAC 1 node?
To relocate an Oracle RAC One Node active instance. From the Management Console, navigate to the RAC One Node database and select the active node/instance under that database. Select Management > Relocate Instance.
What is single node RAC?
Oracle Real Application Clusters (RAC) One Node is an option to the Oracle Database Enterprise. Edition that was introduced with Oracle Database 11g Release 2. It provides enhanced high availability. for single instance Oracle Databases, protecting them from both, planned and unplanned downtime.
How many nodes we can configure in RAC?
“Well, 3 nodes can be better than two if your workload is fully scalable, and there is no resource contention among the three nodes. I would venture to say that the majority of RAC systems are 2 node clusters, and are set up that way as part of a HA system instead of a workload scaling system.”
What is the maximum number of nodes one RAC deployment can have in DBCS?
2 node RAC
Database Cloud Service on Virtual Machines (DBCS VM) It is possible to deploy a 2 node RAC on DBCS VMs.
What is a cluster in Oracle RAC?
Oracle Real Application Clusters (RAC) allow customers to run a single Oracle Database across multiple servers in order to maximize availability and enable horizontal scalability, while accessing shared storage.
What is shared between servers in Oracle RAC?
Standalone Oracle databases perform load balancing by distributing connections among the shared server dispatcher processes. By default, DBCA configures your Oracle RAC database with dedicated servers, not shared servers.
What is the maximum number of cpus that can be deployed for an Oracle DB on bare metal?
By default, Oracle Database Appliance ships with all cores enabled on both servers: 36 CPU cores enabled on each of the two servers.
What is grid in Oracle RAC?
The Oracle Grid Infrastructure for a standalone server is the Oracle software that provides system support for an Oracle database including volume management, file system, and automatic restart capabilities.
What is Oracle Database node?
A node is a database containing agendas and information for users and resources. A node network is a set of two or more connected nodes. More than one node can exist on a single calendar host.
How many cores does the DB have?
Oracle Database Appliance V1 nodes each contain two CPUs, and each CPU has six cores. When you deploy Oracle Database Appliance, all 24 cores (12 cores in each server) are active with hyper-threading enabled by default.
What is Oracle RAC one node?
RAC One Node provides higher availability by eliminating the database server as a single point of failure. Similar to Oracle Real Application Clusters (RAC), Oracle RAC One Node uses a shared disk system to provide best in class high availability for Oracle Databases.
How do I test the ACFS connection between two RAC nodes?
At the command line on the first RAC node, navigate to the ACFS mount point and create a test file. Check the file is present on the second RAC node.
What is ACFS in Oracle 11g?
Oracle ASM Cluster File Systems (ACFS) in Oracle Database 11g Release 2. Oracle ASM Cluster File System (ACFS) is a general purpose cluster file system implemented as part of ASM. It can be used to store almost anything, including the database executables.
What is the Oracle RAC family of solutions?
The Oracle RAC Family of Solutions refers to the collection of products and features that licensed Oracle RAC or Oracle RAC One Node customers can use free of additional charge.