IBM Europe, Middle East, and Africa Hardware
Announcement ZG14-0114
IBM is a registered trademark of International Business Machines Corporation
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cartridges. The Model L55 base frame has up to 882 cartridge slots (up to 730 in
frame 1) and support for up to 16 tape drives (up to 12 in frame 1). Up to 16 logical
libraries (one per tape drive) can be configured for each frame.
Each Model L55 library has two standard 18-slot cartridge I/O stations for importing
or exporting LTO tape cartridges from the library without requiring a re-inventory.
For bulk loading of tape cartridges, the library door can be opened. Each time the
library door is closed, a bar code reader mounted on the autochanger is designed
to scan the cartridge labels enabling a re-inventory of the cartridges in the library
frame in as little as 60 seconds. A door lock is included to restrict physical access to
cartridges in the library.
Model D25 (expansion frame)
The TS4500 tape library Model D25 expansion frame is designed for TS1140 or 3592
Tape Drives and 3592 data cartridges. Up to three Model D25 expansion frames may
be added to the TS4500 Model L25 base frame to increase 3592 cartridge storage or
drive capacity. Each Model D25 supports up to 740 3592 cartridge slots (up to 590 in
frame 1) and up to 16 3592 Tape Drives (up to 12 in frame 1). Each frame can have
up to 16 logical libraries or 16 control paths (one per tape drive).
Model D55 (expansion frame)
The TS4500 tape library Model D55 expansion frame is designed for IBM TS1060
LTO Ultrium Fibre Channel, IBM TS1050 LTO Ultrium Fibre Channel Tape Drives, and
LTO data cartridges. Up to three Model D55 expansion frames may be added to the
TS4500 tape library Model L55 base frame to increase LTO cartridge storage or drive
capacity. Each Model D55 supports up to 970 LTO cartridge slots (up to 774 in frame
1) and up to 16 IBM LTO Ultrium 6 or 5 Tape Drives (up to 12 in frame 1). Each
frame can have up to 16 logical libraries or 16 control paths (one per tape drive).
Designed for availability
If you are looking to maximize availability with minimum downtime for service-
related activities, you will appreciate that the library is designed to preserve
tape drive configuration settings, such as Fibre Channel World Wide Node Names
(WWNN), when a tape drive is replaced. This helps to ensure that the replacement
drive has the same WWNN as the original drive and may help avoid the need to re-
IPL or reconfigure host systems. Fibre Channel drives require only a quiesce of the
individual drive. Redundant hot-swap library and drive power supplies can also be
replaced while avoiding impact to host systems.
The TS4500 tape library includes an enhanced power architecture and frame control
assembly. This enhanced power architecture has fewer parts and is designed with
hot-swappable 2N power supplies and line cords. The enhanced frame control
assembly includes features that were previously ordered separately from the 3584
frame control assembly, including dual ac power, a Fibre Channel patch panel,
additional redundant power supplies, and additional 10/100 Ethernet support.
Multi-Path support
The Multi-Path Architecture of the TS4500 tape library is designed to provide the
capability for sharing of the library robotics. This is accomplished by partitioning the
library into up to 60 multiple logical libraries (up to the number of drives installed),
and providing each logical library its own separate and distinct drives, storage slots,
and control paths. I/O slots are shared on a first-come, first-served basis. This type
of partitioning is designed to allow heterogeneous applications to share the library
robotics independent of each other. Cartridges under library control are not shared
between logical libraries, nor allowed to be moved between logical libraries. An
example of heterogeneous sharing is a Microsoft
TM
Windows
TM
2003 application using
the drive and storage slots of one logical library, while a UNIX
TM
application uses the
drive and slots of another logical library.
Logical libraries can also be used for separating Ultrium 6 Tape Drives and cartridges
from Ultrium 5 Tape Drives and cartridges, or TS1140 or 3592 Tape Drives and
