HP G2 models:, G1 models:, •HP D2D4004 (6–disk), •HP D2D4112 (12–disk), •HP D2D4009 (12–disk), •HP D2D4324 G2 (12–disk), •HP D2D4312 G2 (12–disk)

1 Introduction

This is the Service and Maintenance Guide for the following rack-mounted models of the HP D2D Backup System:

G2 models:•HP D2D4324 G2 (12–disk)•HP D2D4312 G2 (12–disk)•HP D2D4112 and HP D2D4106 G2 (12–disk)•HP D2D2502 and HP D2D2504 G2 (4–disk)G1 models:•HP D2D4112 (12–disk)•HP D2D4004 (6–disk)•HP D2D4009 (12–disk)•HP D2D2500 series (4–disk)

The hardware for the HP D2D4324, the HP D2D4312/4112 and the HP D2D4106 Capacity Upgrade Kits are not described in this guide. Further information about these kits can be found in the Installation Instructions supplied with the kit.

NOTE: The tower or desktop version of the HP D2D Backup System uses a different system architecture and has a different service and maintenance model. It is not described in this guide.

Performance best practices

HP recommends that you review the Best Practices for Perfomance Optimization White Paper, describing simple steps that can be performed to ensure that your HP D2D Backup System is optimized as efficiently as possible.

You can view this white paper from http://www.hp.com/support/manuals. Search for "D2D" and your specific product. The white papers are shown under the 'White paper' section.

HP D2D and HP ProLiant

The information in the appropriate ProLiant Maintenance and Service Guide should be the primary reference source for hardware issues on the related D2D Backup System. Spare part numbers are available in the ProLiant guides. This guide contains only information that is not included in the ProLiant documentation.

Table 1 Identifying the correct server guide

HP D2D Backup System	HP ProLiant server
G2 products
HP D2D4324/4312 G2 Backup System	HP ProLiant DL370 G6 server
HP D2D4106/4112 G2 Backup System	HP ProLiant DL180se G6 server
HP D2D2502/2504 G2 Backup System	HP ProLiant DL160se G6 server
G1 products
HP D2D4112 G1 Backup System	HP ProLiant DL185 G5 server
HP D2D4004/4009 G1 Backup Systems	HP ProLiant DL185 G5 server
HP D2D2502/2503/2504 G1 Backup Systems	HP ProLiant DL165 G5 server

Performance best practices 5