NonStop NS14000 Planning Guide (H06.08+)

two Fibre Channel ports and two Fibre Channel disk modules or four Fibre Channel ports
and three Fibre Channel disk modules.
• The Integrity NonStop NS14000 system supports only configurations with two VIO
enclosures. In systems with two VIO enclosures:
— With four Fibre Channel ports and two Fibre Channel disk modules, the primary Fibre
Channel port resides in VIO enclosure module 2, and the backup Fibre Channel port
resides in VIO enclosure module 3. (See the example configuration in “Four Fibre
Channel Ports, Two FCDMs, Two VIO Enclosures”.)
— With eight Fibre Channel ports and four Fibre Channel disk modules, the primary Fibre
Channel ports reside in VIO enclosure module 2, and the backup Fibre Channel ports
resides in VIO enclosure module 3. (See the example configuration in “Eight Fibre
Channel Ports, Four FCDMs, Two VIO Enclosures”.)
• Daisy-chain configurations follow the same configuration restrictions and rules that apply
to configurations that are not daisy-chained. (See “Daisy-Chain Configurations”.)
• Fibre Channel disk modules containing mirrored volumes must be installed in separate
daisy chains.
• Daisy-chained configurations require that all Fibre Channel disk modules reside in the same
cabinet and be physically grouped together.
• Daisy-chain configurations require an ID expander harness with terminators for proper
Fibre Channel disk module and disk drive identification.
Example Configurations of the VIO Enclosures and Fibre Channel Disk Modules
These subsections show various example configurations between Fibre Channel ports on the
VIO enclosures and Fibre Channel disk modules.
NOTE: Although it is not a requirement for fault tolerance to house the primary and mirror
disk drives in separate FCDMs, the example configurations show FCDMs housing only primary
or mirror drives, mainly for simplicity in keeping track of the physical locations of the drives.
PageTopic
“Four Fibre Channel Ports, Two FCDMs, Two VIO
Enclosures”
“Four Fibre Channel Ports, Two FCDMs, Two VIO
Enclosures”
“Eight Fibre Channel Ports, Four FCDMs, Two VIO
Enclosures”
“Eight Fibre Channel Ports, Four FCDMs, Two VIO
Enclosures”
“Twelve Fibre Channel Ports, Six FCDMs, Two VIO
Enclosures”
“Twelve Fibre Channel Ports, Six FCDMs, Two VIO
Enclosures”
“Sixteen Fibre Channel Ports, Eight FCDMs, Two VIO
Enclosures”
“Sixteen Fibre Channel Ports, Eight FCDMs, Two VIO
Enclosures”
“Daisy-Chain Configurations”“Daisy-Chain Configurations”
Four Fibre Channel Ports, Two FCDMs, Two VIO Enclosures
This illustration shows example cable connections between four Fibre Channel ports (two on
each VIO enclosure) and the primary and mirror Fibre Channel disk modules:
88 System Configuration Guidelines