Table 12 Fan In, Fan Out and job concurrency rules, G1 products (continued)
2416D2D2502: 4
D2D2503: 6
D2D2504: 8
Maximum number of
Source appliances
supported by one
Target appliance
Appliance Fan In
11All: 1Maximum number of
Target libraries to
Library Fan Out
which a Source library
may be mapped
44All: 1Maximum number of
Source libraries to
Library Fan In
which a Target library
may be mapped
86D2D2502: 3
D2D2503: 2
D2D2504: 3
Maximum number of
concurrent replication
jobs into a target
appliance
Concurrent target jobs
22D2D2502: 2
D2D2503: 1
D2D2504: 2
Maximum number of
concurrent replication
jobs from a source
appliance
Concurrent source
jobs
Replication deployment strategies
There are many deployment strategies; the following three are perhaps the most typical:
• Active to Passive
• Active to Active
• Many to One
Active to Passive example
In the following example there are two offices, each with an HP StoreOnce Backup System. The
HP StoreOnce Backup System in Office A is being used by the host server for backup and restore
and the shares and libraries that have been configured on it are being replicated to matching
shares and libraries on the HP StoreOnce Backup System in Office B. A replication license is
required only for the HP StoreOnce Backup System in Office B. That license covers all
Replication-Target shares and libraries on Appliance B.
Figure 10 Active to Passive replication example
Replication deployment strategies 31
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