25176a
10
1
3
2
4
1. Loop B—Connects to an HBA
3. Loop A—Connects to an HBA
2. Loop B—Connects to an HBA
4. Loop A—Connects to an HBA
Figure 1 FC-AL loops (direct connect)
Components
Figure 2
shows the components of the DS2500 from front and rear views.
DS2500 front view
The front of the DS2500 holds the following components:
•
Up to 14 FC disk drives mount in bays numbered 1 through 14 sequentially, from left to right. For
simplicity, a drive is referred to by its bay number.
•
Enclosure status indicators located in the lower corner to the right of bay 14.
DS2500 rear view
The rear of the DS2500 holds the following components:
•
An Environmental Monitoring Unit (EMU) that provides protection against catastrophic failures. It
monitors, records and reports disk enclosure status conditions to the operating system software.
•
Redundant power supply and blower assemblies that provide protection against power overloads,
short circuits, and overheating
•
Redundant I/O modules that provide an interface between the disks and the HBA
14
Overview
Summary of Contents for StorageWorks 2500
Page 1: ...HP StorageWorks 2500 Disk System user guide Part number 5697 6800 Second edition June 2007 ...
Page 8: ...8 ...
Page 12: ...12 About this guide ...
Page 44: ...44 Using the EMU ...
Page 54: ...54 Troubleshooting ...
Page 64: ...Figure 35 Replacing a disk drive 64 Customer self repair ...
Page 68: ...68 Specifications ...
Page 78: ...78 Regulatory notices ...