Hitachi AMS 2100, Service Manual

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Introduction
Hitachi AMS 2000 Family Storage System Service Guide
Overview
The Hitachi Data Systems AMS 2000 storage system includes three array
models:
• AMS 2100 - Smaller system provides up to 120 disk drives ranging in
size from 146 GB to 2 TB. The expansion unit can use any size SAS or
SATA drive. The high-density expansion unit uses either 1 or 2 TB SATA
disk drives.
• AMS 2300 - Midrange system provides up to 240 disk drives. ranging in
size from 146 GB to 2 TB. The expansion unit can use any size SAS or
SATA drive. The high-density expansion unit uses either 1 or 2 TB SATA
disk drives.
• AMS 2500 - High-end system provides up to 480 disk drives, ranging in
size from 146 GB to 2 TB. The expansion unit can use any size SAS or
SATA drive. The high-density expansion unit uses either 1 or 2 TB SATA
disk drives.
Each array contains several LEDs that light when certain problems occur,
making it easy for users to quickly find the source of these problems. the
LEDs are described in this chapter. In addition, Chapter 6 (Troubleshooting)
in this manual provides information to assist you to determine the causes
of several possible problems, and provides solutions for each problem.
In addition, Navigator 2 generates system messages that identify parts that
should be replaced and notifies users of procedures that should be
performed to maintain performance. Navigator 2 can be configured to send
E-mail messages to specified email addresses, notifying users of failed parts
or reminding them of scheduled tasks. You can order and install the parts
or perform the procedures. For more information, see User maintenance
tasks on page 1-3 .
Figure 1-1: Identifying a Failed Part