IBM TS4500, Введение и руководство по планированию

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TS4500 is a tape drive integration leader, with features including a persistent
worldwide name, multipath architecture, drive/media exception reporting, remote
drive/media management and host-based path failover. TS4500 L25, D25 and S25
frames support the IBM TS1155, IBM TS1150, and IBM TS1140 tape drives, while
TS4500 L55, D55 and S55 frames support LTO Ultrium 8, 7, 6 and 5 tape drives.
LTO Ultrium tape drives and TS1155, TS1150 and TS1140 tape drives can be mixed
within the TS4500 library, frame by frame. The L-frame and D-frame models help
boost efficiency with improved hot-swappable drive packaging. All of the frames
include high-density (HD) slot technology that can greatly increase a library’s total
capacity.
TS4500 frame models can be placed in any active position, so the library can grow
from both the right and the left side of the first L frame for floorspace flexibility. A
dual-accessor option can help increase mount performance and overall system
reliability and availability. Accessors can be serviced at the ends of the library,
eliminating the need for a dedicated service bay frame.
A top-rack offering can also provide 10U of rack space on top of the library for
Fibre Channel switches, tape data movers or IBM Spectrum Archive nodes.
Delivers capacity on demand
The TS4500 library frame provides a more flexible upgrade path for users who
want to expand their tape storage as their needs grow. Capacity-on-demand
configurations for TS4500 L-frame models include an entry-level configuration, an
intermediate configuration and a base-capacity configuration. All models also
support HD capacity-on-demand configurations.
Figure 2. Inside TS4500 tape library
Chapter 1. Overview
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