Chapter 2 — Architecture Overview Fibre Channel Connectivity
December 2019 User Guide—Spectra T200, T380, and T680 Libraries
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Partitions Using QIP-Attached SCSI Drives
When a partition includes SCSI drives, an F-QIP is required to provide the
connectivity to the host. Each F-QIP has two external ports and provides
connectivity for up to four SCSI drives. If a partition contains more than
four drives, additional F-QIPs are required to provide the connectivity for
those drives.
Notes: An F-QIP used for drive connectivity can also be used to
provide the robotic control path.
The Controller Failover feature is not supported for any
F-QIP that has SCSI drives connected to it. The F-QIP pair
configured for Controller Failover can only be used to
provide the robotic control path.
The F-QIP acts as a bridge to connect SCSI drives in the DBA to a Fibre
Channel fabric or arbitrated loop). Figure 29 is a simple representation of
how the drives and robotics in a library with a single F-QIP-based partition
are connected to a Fibre Channel arbitrated loop or fabric through a switch
or hub.
Figure 29 An example of a QIP-based partition with QIP-attached
drives connected to a SAN.
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