使用 WebLogic Server 从本地部署到 OCI 的灾难恢复和混合灾难恢复 [LRN2292].pdf

1、 DR and Hybrid DRWebLogic Server from On-Premises to OCI LRN2292Adrian Padilla DuarteProduct Manager-WebLogic Server on OCIBuilt in HA in OCIHigh Availability in OCIOCI RegionDistributed globally across various cities.Each operating on independent power grids and networks for maximum resilience.Posi

2、tioned in unique disaster zones(e.g.,different flood plains)to mitigate regional risks.Interconnected via Oracles secure,encrypted,private,redundant backbone network for fast and protected inter-region data travel.More than 40 regions globally4Copyright 2025,Oracle and/or its affiliatesRegions and f

3、ault domainsAvailability Domain(AD)Grater availability with slightly more network latency compared to FDs.Availability domains are isolated from each other,fault tolerant,and very unlikely to fail simultaneously.-Different AD do not share power or cooling.Regions with 3 ADs:-us-phoenix-1,us-chicago-

4、1,us-ashburn-1,uk-london-1,eu-frankfurt-1.Fault Domains(FD)Each Availability Domain has 3 Fault Domains.Isolates workloads on separate physical hardware to prevent single points of failure.Enable anti-affinity,so workloads are distributed and not affected by hardware or localized failures.DR Archite

5、ctures on OCIOracle WebLogic Server for OCI active/active HA across regionsWebLogic stretch cluster topology across regions.Semi-automated.Protection against Region failure.Supported for regions with inter-region latency lower than 10 msecs:6Copyright 2025,Oracle and/or its affiliatesWLS for OCI DR

6、topologyOCI Region 2Private SubnetVCNManaged ServerManaged ServerOCI Region 1VCNPublic/Private SubnetOracle recommends not to exceed 10 msecs of latency(RTT)for WebLogic Server Active-Active systems when the latency affects database communications.Systems may operate without issues,but the transacti