Spectra Logic T680 Computer Drive User Manual


 
Connecting the Cables
May 2010 Spectra T200, T380, T680, T950, or T-Finity Library
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Two SCSI Bus Configuration Figure 14illustratesdaisychainingthefour
drivesinaDBAontwoseparateSCSIbusesandconnectingthemtotwo
hosts.Thistypeofcablingisusedwhenmultiplehostswillbesharingthe
libraryresources.Thelibraryistypicallydividedintopartitions,as
describedinthelibrary’sUserGuide.Eachpartitionisdedicatedtoa
differenthost.
Note: AlwaysmakesurethattheSCSIbusisterminatedbyinstallinga
terminatoreitheronthedriveoronthebusexpansionmodule.
Figure 14 Daisy-chaining direct-attach SCSI drives in a DBA on two SCSI buses.
Drive 3
Drive 1 Drive 2
Drive 4
Internal SCSI connection (DBA to drive)
Drive Bay Assembly
LVD SCSI cable
Internal SCSI connector (DBA to drive)
SCSI terminator
External SCSI connector (Bus expansion module or drive)
Bus expansion
module