Managing DPM Performance on a WAN
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Performance is a serious consideration when the DPM server and the servers that it is protecting are connected by low-speed wide area network (WAN) links, particularly for resource-intensive jobs such as replica creation and consistency checks. For example, transferring a 20-GB volume across a 512-Kbps link would take at least 120 hours.
In this network configuration, you should enable compression for all protection groups. For replica creation of volumes larger than 5 GB, we recommend that you create the replica manually.