HP StorageWorks 4000/6000/8000 .HP StorageWorks SAN Design Reference Guide, Pa - Page 194

NPV with FlexAttach, NPV mode connectivity guidelines

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• Failover between NP_Ports (uplinks) is supported. • Direct storage attachment is not supported, (requires at least one external Fibre Channel switch). • F_Ports, NP_Ports, and SD_Ports are supported. • NPIV-capable module servers (nested NPIV) are supported. • Local switching is not supported. All traffic is switched using the NPV core switch. • Remote SPAN is not supported. • NPV mode is managed separately from the BladeSystem; however, if used with C-series switches, it uses a common SAN-OS. NPV mode connectivity guidelines NPV solutions are best suited for C-series-only fabrics in which you want multivendor switch interoperability through NP_Ports instead of E_Ports. Figure 52 shows an NPV device with dual redundant fabrics. Server Bay 16 Server Bay 15 Server Bay 14 Server Bay 13 Server Bay 12 Server Bay 11 Server Bay 10 Server Bay 9 Server Bay 8 Server Bay 7 Server Bay 6 Server Bay 5 Server Bay 4 Server Bay 3 Server Bay 2 Server Bay 1 Blade enclosure with 16 servers N_Port Virtualization N_Port Virtualization NP_Ports (NPIV) (uplinks) Blade enclosure/ Server management SAN/ Storage management FC Fabric (B-, C-, or M-series) (with NPIV F_Port support) FC Fabric (B-, C-, or M-series) (with NPIV F_Port support) Figure 52 NPV device with dual redundant fabrics . 25346b NOTE: The NP_Ports in Figure 52 are not host N_Ports and cannot connect directly to storage. The configuration shown in Figure 52 includes: • Redundant SANs, with each server connecting to one fabric through one NPV device • Connectivity to C-series, B-series, and M-series fabrics • Support for up to six NPV devices per HP BladeSystem c7000 enclosure, or three NPV devices per HP BladeSystem c3000 enclosure NPV with FlexAttach The Cisco MDS 9124e Fabric Switch for HP c-Class BladeSystem, MDS 9124 switch, and MDS 9134 switch support NPV with FlexAttach. FlexAttach provides automatic mapping of physical WWNs to virtual WWNs using NAT. When NPV mode is enabled, FlexAttach allows SAN and server administrators to install and replace servers without having to rezone or reconfigure the SAN. 194 Heterogeneous server rules

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•
Failover between NP_Ports (uplinks) is supported.
•
Direct storage attachment is not supported, (requires at least one external Fibre Channel switch).
•
F_Ports, NP_Ports, and SD_Ports are supported.
•
NPIV-capable module servers (nested NPIV) are supported.
•
Local switching is not supported. All traffic is switched using the NPV core switch.
•
Remote SPAN is not supported.
•
NPV mode is managed separately from the BladeSystem; however, if used with C-series switches,
it uses a common SAN-OS.
NPV mode connectivity guidelines
NPV solutions are best suited for C-series-only fabrics in which you want multivendor switch
interoperability through NP_Ports instead of E_Ports.
Figure 52
shows an NPV device with dual
redundant fabrics.
NP_Ports (NPIV) (uplinks)
Blade
enclosure
with
16 servers
Server Bay 1
Server Bay 2
Server Bay 3
Server Bay 4
Server Bay 5
Server Bay 6
Server Bay 7
Server Bay 8
Server Bay 9
Server Bay 10
Server Bay 11
Server Bay 12
Server Bay 13
Server Bay 14
Server Bay 15
Server Bay 16
N_Port Virtualization
N_Port Virtualization
Blade
enclosure/
Server
management
SAN/
Storage
management
25346b
FC Fabric (B-, C-, or M-series)
(with NPIV F_Port support)
FC Fabric (B-, C-, or M-series)
(with NPIV F_Port support)
Figure 52 NPV device with dual redundant fabrics
.
NOTE:
The NP_Ports in
Figure 52
are not host N_Ports and cannot connect directly to storage.
The configuration shown in
Figure 52
includes:
•
Redundant SANs, with each server connecting to one fabric through one NPV device
•
Connectivity to C-series, B-series, and M-series fabrics
•
Support for up to six NPV devices per HP BladeSystem c7000 enclosure, or three NPV devices
per HP BladeSystem c3000 enclosure
NPV with FlexAttach
The Cisco MDS 9124e Fabric Switch for HP c-Class BladeSystem, MDS 9124 switch, and MDS 9134
switch support NPV with FlexAttach. FlexAttach provides automatic mapping of physical WWNs to
virtual WWNs using NAT. When NPV mode is enabled, FlexAttach allows SAN and server
administrators to install and replace servers without having to rezone or reconfigure the SAN.
Heterogeneous server rules
194