HP P4000 9.0 HP StorageWorks P4000 Windows Solution Pack User Manual - Page 9

Using the P4000 DSM for MPIO with multiple NICs, P4000 Windows Solution Pack user guide

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how the P4000 DSM for MPIO driver works with the Microsoft iSCSI driver to build MPIO connections to the HP P4000 SAN Solution. Figure 1 Building MPIO connections to the iSCSI SAN . Using the P4000 DSM for MPIO with multiple NICs The P4000 DSM for MPIO supports connecting multiple NICs in the application server to the SAN. Configuring with multiple NICs improves fault-tolerant physical network connections in the server, as illustrated in Figure 2. Figure 2 Using the P4000 DSM for MPIO with multiple NICs in the application server . Using the P4000 DSM for MPIO in a Multi-Site SAN The P4000 DSM for MPIO can be used in a Multi-Site SAN with one or more subnets. In this configuration, the P4000 DSM for MPIO will only build I/O paths to the storage systems that are in the same subnet as the application server. Alternatively, you can assign an application server to a site. Application servers assigned to a site connect only to storage systems in the same site. Both of these configurations permit higher performance and lower network utilization by not sending I/Os across the WAN link. P4000 Windows Solution Pack user guide 9

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how the P4000 DSM for MPIO driver works with the Microsoft iSCSI driver to build MPIO connections
to the HP P4000 SAN Solution.
Figure 1 Building MPIO connections to the iSCSI SAN
.
Using the P4000 DSM for MPIO with multiple NICs
The P4000 DSM for MPIO supports connecting multiple NICs in the application server to the SAN.
Configuring with multiple NICs improves fault-tolerant physical network connections in the server, as
illustrated in
Figure 2
.
Figure 2 Using the P4000 DSM for MPIO with multiple NICs in the application server
.
Using the P4000 DSM for MPIO in a Multi-Site SAN
The P4000 DSM for MPIO can be used in a Multi-Site SAN with one or more subnets. In this
configuration, the P4000 DSM for MPIO will only build I/O paths to the storage systems that are in
the same subnet as the application server. Alternatively, you can assign an application server to a
site. Application servers assigned to a site connect only to storage systems in the same site. Both of
these configurations permit higher performance and lower network utilization by not sending I/Os
across the WAN link.
P4000 Windows Solution Pack user guide
9