Chapter 1 — Library Overview Library Features
December 2019 User Guide—Spectra T200, T380, and T680 Libraries
45
The following table describes the drive components.
Component Description
Drive Sled The drive sled provides the electrical and logical connections to the library,
as well as the connections to the host Fibre Channel arbitrated loop or
fabric.
The drive sled firmware assigns an identifier to the drive based on its location
in the library (see Drive Identifiers on page 57). This identifier is used by the
library to identify the drives in the BlueScale and XML interfaces.
See Drive Connectivity on page 65 for additional information about the
Fibre Channel connectivity provided by the drive sled.
SAS Connector Each half-height SAS drive sled has a single, unshielded, single-port SFF-8088
serial connector that provides the Serial Attached SCSI (SAS) connectivity for
the drive.
Fibre Channel
Connectors
Each full-height Fibre Channel drive sled has two multi-mode optical SFP
LC connectors (Port A and Port B) that are used to connect the drive directly
to a Fibre Channel network. The two ports let you connect two separate
fiber optic cables to each drive.
Note: For half-height drives in a full-height sled, only port A is available.
SCSI Terminator Each SCSI drive sled has one Ultra-3 SCSI “LVD” 68-pin Micro D female
connector. An LVD SCSI terminator is installed on the connector.
Note: SCSI drives require an F-QIP to provide the Fibre Channel
connectivity to the host.
Status LED Indicates the operational status of the drive sled (not the drive).
Flashing green
— The drive sled is functioning normally.
Flashing red/orange
— The drive sled experienced an error.
Alternating flashing green and red/orange (TS11xx technology and
LTO-5 and later generation drives)
— The drive is ready for replacement
(see Replace a Drive on page 498).
Flashing red (LTO-4 and earlier generation drives)
— The drive is ready
for replacement (see Replace a Drive on page 498).
Drive Power LED
(TS11xx technology
and LTO-5 and later
generation drives)
Indicates whether the drive is powered on.
Lock Release The drive sled automatically locks into place when it is installed in the DBA
to keep it from being accidentally pulled out of the library. The lock release
disengages the lock.
Ethernet and USB Ports
(TS11xx technology
and LTO-5 and later
generation drives)
These ports are currently unused.
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