Scalar DLC Reference Guide 269
There are four Scalar 1000 and Scalar 10K modes of operation:
• ADIC native mode,
• EXABYTE compatibility mode,
• STK compatibility mode,
• EMASS compatibility mode.
The Scalar 1000 and Scalar 10K supports half inch, DLT/SDLT, LTO, and AIT tape cartridges. For the
Scalar 1000 library, a storage cell cartridge capacity ranges from 118 cells in the CM and up to 1182 cells
with additional EMs. For the Scalar 10K library, a storage cell cartridge capacity ranges from 700 cells in
the CM to 15938 cells with additional EMs, DM, and TMs. Total capacities are dependent on the media type
configurations.
Associated Documents
For the details of the SCSI operations refer to:
• SCSI Reference Manual for the Scalar 10K library.
• SCSI Reference Manual for the Scalar 1000 library.
The SCSI client should use the document that describes the data format used by his software target
application. Refer to Target
on page 166 and Logical Unit Number (LUN) on page 168 for the details.
SCSI Bus
A SCSI Bus is a shared resource that provides a pathway for exchanges between one or more hosts and
their peripheral devices. A SCSI bus can be Single Ended, Differential, or Low Voltage Differential and must
be terminated at both ends.
SCSI bus components are:
• SCSI initiator (host)
• SCSI target (peripheral)
• Cable connecting host and peripheral
• Bus terminators
Consider the computer system as the host and the Scalar 1000 and Scalar 10K as the peripheral.
Initiator Operation
The SCSI bus adapter card in a host computer is the initiator of SCSI operations. The host initiates
commands and messages or sends data to the target. The initiator also receives messages, data, and
status from the target.
Note
The Scalar 10K DA (dual-aisle) library is the same as Scalar 10K, however it contais
two CM, two AM, two barcode readers, etc.
Note
The mode of operation determines how the library responds to the SCSI INQUIRY
command.
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