Synchronous mode – HP 3PAR Remote Copy Software User Manual

Page 124

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5.4

Performance Notes for RCIP Configuration

Remote Copy User’s Guide

InForm OS Version 2.3.1

5.1.6.2 Synchronous Mode

Synchronous mode adds more latency to host writes because the write has to be committed on

both primary and backup storage servers. The host service time increases because the write

operation has to be sent to the secondary server over the IP network and an acknowledgement

must be sent back through this network before the host is acknowledged.

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