Detailed 2-Node Oracle RAC Cluster architecture

 2-Node Oracle RAC Cluster architecture image with:

• RAC Node 1 and Node 2 physical servers
• Oracle Database instances
• Oracle Clusterware / CRS
• ASM instances
• Public/client network
• SCAN VIPs and node VIPs
• Private RAC interconnect / Cache Fusion
• Shared SAN/NAS storage
• ASM disk groups: DATA / FRA / OCR / VOTING
• RAC database services
• HA, storage, network, and operations details

Oracle Database - 2-Node RAC Cluster on Physical Servers with Data Guard (Single Standby - Without FSFO)

2-Node RAC on Physical Servers with Single Physical Standby and Data Guard (Without FSFO) architecture diagram, showing:

• Primary: 2-node Oracle RAC cluster
• DR: Single-instance physical standby server
• Data Guard Broker (DGMGRL)
• Manual Switchover and Failover
• No Observer Server
• SYNC + AFFIRM redo transport
• Maximum Availability mode
• Near-zero RPO
• Manual role transitions controlled by DBA

Oracle Database - 2-Node RAC Cluster on Physical Servers with Data Guard + FSFO

 Oracle Database 2-Node RAC Cluster on Physical Servers with Data Guard + FSFO :

• Physical Server Node 1 & Node 2 RAC Cluster
• ASM Shared Storage (SAN/NAS)
• SCAN Listeners
• Primary Database (PROD_PRI)
• Standby RAC Cluster and Standby Database (PROD_DR)
• Data Guard Broker
• FSFO Observer on an independent host
• SYNC + AFFIRM redo transport
• Automatic failover workflow
• Network, storage, and interconnect layers

Oracle Database Appliance (ODA) 2-Node RAC with Data Guard + FSFO

 

Oracle Database Appliance (ODA) 2-Node RAC with Data Guard (No FSFO).

 

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