DB2 Remote Disaster Recovery Solution

The Remote Disaster Recovery Solution of DB2 can be started from several aspects: 1. Database-layer optional solutions: Remote HADR \ log copy and restoration \ CDC. As far as I know, there are cases in China for remote HADR/log replication. Some banks in China are using HADR in different regions. However, even if HADR is asynchronous, the impact on the production end is still relatively large when the network bandwidth is insufficient; the log replication and restoration methods are used by securities companies. I have never touched on the CDC case. 2. The software implementation at the operating system layer takes over the file system management function of the operating system and is responsible for remote transmission and restoration. Optional solution: Symantec VVR 3. SAN network layer captures write IO from the SAN Switch, writes logs to external devices, and transfers the logs to remote recovery. Optional solution: EMC Recover Point, CDP + DR -www.2cto.com-4 of Apsara stack. remote replication of high-end storage at the storage layer, such as the PPRC of the IBM 8000 Series. Which scheme does EMC's SRDF adopt? The selection should be weighed based on the customer's requirements on RTO and RPO, as well as various constraints, in addition, a POC is performed for each option before selection to verify the requirement. You are welcome to add other solutions. Author esky2000