HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide July 2004 (First Edition) Part Number 365511-001

2 Identifying Enclosure and Component Features Buttons and LEDs on Enclosure Rear Figure 2-1: Enclosure buttons and LEDs Item Description 1 Arrow b

Identifying Enclosure and Component Features Disk Drives and Drive Blanks The drive bays on the front of the enclosure are numbered as follows: 1 4

Identifying Enclosure and Component Features Table 2-1: Interpreting the Drive Status LEDs Online LED (green) Fault/ID LED (amber/blue) Meaning On,

Identifying Enclosure and Component Features Controller Module Figure 2-3: Controller module Item Description 1 Upper cache battery 2 Finger hoo

Identifying Enclosure and Component Features Fan Assembly Figure 2-4: Fan assembly Item Description 1 Bicolor status LED (green or amber) 2 Releas

Identifying Enclosure and Component Features 2-6 HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide Power Supply Unit Figure

3 Removing and Replacing Components Some enclosure components are hot-pluggable, while others should be replaced only after you have disconnected the

Removing and Replacing Components • Use a wrist strap connected by a ground cord to a grounded workstation or computer chassis. Wrist straps are flex

Removing and Replacing Components 2. Pull the drive out of the enclosure by about 3 cm (1 inch) so that it is disconnected from the backplane connect

Removing and Replacing Components Controller Module 1. Back up the data on the system. 2. Stop data transfers. 3. Disconnect the VHDCI cable. 4

© Copyright 2004 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. The only warranties f

Removing and Replacing Components 3. Remove the upper battery unit (1). a. Loosen the thumbscrews (2). b. Disconnect the battery cable (3). c. S

Removing and Replacing Components 5. Remove the cache from the controller board: a. Open the ejector levers on each side of the memory module socke

Removing and Replacing Components 2. Rotate the slot in the enclosure lid lever to the unlocked position (1), as indicated by the open padlock emboss

Removing and Replacing Components 4. Disconnect the ribbon cable from the midplane board. 5. Loosen the captive thumbscrews (1). 6. Pull or push ag

Removing and Replacing Components Backplane Board 1. Remove the midplane board. 2. Remove the knurled thumbscrew on the backplane board (1). 3. Ti

Removing and Replacing Components 3-10 HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide UID Circuit Board 1. Disconnect th

4 Specifications Power Specifications Table 4-1: AC Input Requirements Nominal Value Range Frequency (±5%) 50 or 60 Hz 47 to 63 Hz Voltage 110

Specifications 4-2 HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide Physical Specifications Table 4-3: Enclosure Specific

Contents About This Guide Audience Assumptions...

Contents Chapter 4 Specifications Power Specifications...

About This Guide This maintenance and service guide can be used for reference when servicing the HP StorageWorks Modular Smart Array 20 enclosure.

About This Guide CAUTION: To properly ventilate the system, you must provide at least 7.6 cm (3.0 in.) of clearance at the front and back of the en

1 Illustrated Parts Catalog The spare parts for the enclosure are illustrated on the following page. HP StorageWorks Modular Smart Array 20 Maintenanc

Illustrated Parts Catalog Figure 1-1: Enclosure parts 1-2 HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide

Illustrated Parts Catalog HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide 1-3 Item Description Spare part number 1 Chass