Synchronous Remote Mirroring
Synchronous remote mirroring is a methodology for data replication between two storage systems which achieves a recovery point objective (RPO) of zero. This implies that write operations from the hosts are not acknowledged by the storage device before the data has been written successfully to both, local and remote, systems. The purpose is to have a copy of important data available in the case a disaster happens on one of the two sites.
This chapter describes synchronous remote mirroring and available options. Topics ...
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