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 ...

Get IBM XIV Storage System Copy Services and Migration now with the O’Reilly learning platform.

O’Reilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers.