Table8–18: DLTMiniLibrary Part Numbers (cont.)
DLTLibrary Component Number of Tape
Drives Tabletop/Rackmount PartNumber
TL891 DLT MiniLibrary
Base Unit 2Rackmount 120876-B22
Add-on DLT 35/70 drive
for TL891 1N/A 120878-B21
MiniLibrary Expansion Unit N/A Rackmount 120877-B21
MiniLibrary Data Unit N/A Rackmount 128670-B21
______________________ Note _______________________
The TL881 DLT MiniLibrary tabletop model is available as fast,
wide differential or fast, wide single-ended. The single-ended
model is not supported in a cluster configuration. TheTL891
DLTMiniLibrary tabletopmodel is only availableas fast, wide
differential.
8.12.2 Preparing a TL881 or TL891 MiniLibrary for Shared SCSI BusUse
The following sections describe how to preparethe TL881and TL891 DLT
MiniLibraries for shared SCSI bus use in more detail.
8.12.2.1 Preparing a Tabletop Model or Base Unit for Standalone Shared SCSI
Bus Usage
A TL881 or TL891 DLTMiniLibrary tabletop modelor a rackmount base
unit may be used standalone. You may want to purchase a rackmount base
unit for future expansion.
______________________ Note _______________________
Toachieve system performance capabilities, we recommend
placing no more than two tape drives on a SCSI bus, and also
recommend that no shared storage be placed on the same SCSI
bus with a tape library.
The topics in this section provide information on preparing the TL881 or
TL891 DLTMiniLibrary tabletopmodel orrackmount base unitfor use
on a shared SCSI bus.
Configuring a Shared SCSI Bus for Tape Drive Use 8–61