Hp StorageWorks IP Storage Router Manuel d'utilisateur Page 228

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Recommended Host/Storage Configurations
228 IP Storage Router SR2122-2 User Guide
FCIP Only
Two SAN islands may be joined into a single large, geographically dispersed SAN
using the HP SR2122-2s as Fibre Channel to IP gateways to translate between
Fibre Channel protocol and FCIP protocol. FCIP protocol transmitted over a
WAN network is used to extend the connection between the two SAN islands
beyond the nominal 10 km maximum length for direct Fibre Channel.
Figure 55: FCIP only
Disk LUNs at either site A or site B may be assigned either to local hosts or to
remote hosts.
This basic configuration may also be used when Data Replication Manager or
Continuous Access is employed to replicate disk data between the two sites. Since
these data replication products use redundant Fibre Channel fabrics, two separate
long distance links must be implemented. Although the two Fibre Channel fabrics
could be routed through only two SR2122-2s, to avoid a single point of failure, a
total of four SR2122-2 units should be included in this configuration.
As shown in Figure 55, a single Fibre Channel connection is required between the
SR2122-2 and the Fibre Channel network at each site. The second Fibre Channel
port on the SR2122-2 is not used.
The iSCSI protocol is not used in this configuration.
WAN network
(FCIP)
FC network A FC network B
FC disk A FC disk B
FC Host A FC Host B
FC tape A FC tape B
HP SR2122-2 A HP SR2122-2 B
15059
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