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Top Products
Product IDMaximum LengthConnectorsFiber TypeConnection
M8905nn
6 mSFF-8470 to SFF-8088N.A.Storage CLIM
enclosure (SAS HBA)
to SAS disk enclosure
M8906nn
6 mSFF-8088 to SFF-8088N.A.SAS disk enclosure to
SAS disk enclosure
Although a considerable cable length can exist between the modular enclosures in the system,
HP recommends that cable length between each of the enclosures as short as possible.
Cable Product IDs
For product IDs, see “Cable Types, Connectors, Lengths, and Product IDs” (page 93)
ServerNet Fabric and Supported Connections
This subsection includes:
• “ServerNet Cluster Connections ”
• “ServerNet Fabric Cross-Link Connections” (page 55)
• “Interconnections Between c7000 Enclosures” (page 55)
• “I/O Connections (Standard and High I/O ServerNet Switch Configurations)” (page 55)
• “Connections to IOAM Enclosures” (page 56)
• “Connections to CLIMs” (page 56)
• “ServerNet Fabric Cross-Link Connections” (page 55)
The Servernet X and Y fabrics for the NonStop BladeSystem are provided by the double-wide
ServerNet switch in the c7000 enclosure. Each c7000 enclosure requires two ServerNet switches
for fault tolerance and each switch has four ServerNet connection groups:
• ServerNet Cluster Connections
• ServerNet Fabric Cross-Link Connections
• Interconnections between c7000 enclosures
• I/O Connections (Standard I/O and High I/O options)
The I/O connectivity to each of these groups is provided by one of two ServerNet switch options:
either Standard I/O or High I/O.
ServerNet Cluster Connections
At J06.03, only standard ServerNet cluster connections via cluster switches using connections to
both types of ServerNet-based cluster switches (6770 and 6780) is supported. There are two small
form-factor pluggable (SFP) ports on each c7000 enclosure ServerNet switch: a single mode fiber
(SMF) port (port 12) and a multi mode fiber (MMF) port (port 11) for the two ServerNet style
connections. Only one of these ports can be used at a time and only one connection per fabric
(from the appropriate ServerNet switch for that fabric in group 100) to the system's cluster fabric
is supported.
ServerNet cluster connections on NonStop BladeSystems follow the ServerNet cluster and cable
length rules and restrictions. For more information, see these manuals:
• ServerNet Cluster Supplement for NonStop BladeSystems
• For 6770 switches and star topologies: ServerNet Cluster Manual
• For 6780 switches and layered topology: ServerNet Cluster 6780 Planning and Installation Guide
54 System Configuration Guidelines