HP Storage Mirroring Software - Manual (Page 15)

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One-to-many
Description One source server sends data to multiple target servers. The target servers
may or may not be accessible by one another.
Applications This configuration provides offsite disaster recovery, redundant backups, and
data distribution. For example, this configuration can replicate all data to a
local target server and separately replicate a subset of the mission-critical
data to an offsite disaster recovery server.
Considerations Updates are transmitted multiple times across the network. If one of the
target servers is on a WAN, the source server is burdened with WAN
communications.
Target
Source Target
Target