Page 3 - Contents
Contents About This Guide Audience Assumptions ..................................................................................................................................v Technician Notes ...........................................................................................................
Page 4 - Chapter 4
Contents Chapter 4 Specifications Power Specifications.................................................................................................................................. 4-1 Environmental Specifications .....................................................................................
Page 5 - About This Guide; Audience Assumptions
About This Guide This maintenance and service guide can be used for reference when servicing the HP StorageWorks Modular Smart Array 20 enclosure. WARNING: To reduce the risk of personal injury from electric shock and hazardous energy levels, only authorized service technicians should attempt to rep...
Page 6 - Where to Go for Additional Help; Telephone Numbers
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 enclosure. CAUTION: The enclosure is designed to be electrically grounded (earthed). To ensure proper operation, plug the AC power cord into a properly gro...
Page 7 - Illustrated Parts Catalog
1 Illustrated Parts Catalog The spare parts for the enclosure are illustrated on the following page. HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide 1-1
Page 10 - Identifying Enclosure and Component Features; Buttons and LEDs on Enclosure Rear
2 Identifying Enclosure and Component Features Buttons and LEDs on Enclosure Rear Figure 2-1: Enclosure buttons and LEDs Item Description 1 Arrow buttons (for future use) 2 Enclosure ID display— Indicates the ID number assigned to the enclosure during drive configuration 3 Unit identification button...
Page 11 - Disk Drives and Drive Blanks
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 7 10 2 5 8 11 3 6 9 12 The features of the drives and blanks are illustrated in Figure 2-2. Figure 2-2: Drive (in carrier) and drive blank Item Descript...
Page 13 - Controller Module
Identifying Enclosure and Component Features Controller Module Figure 2-3: Controller module Item Description 1 Upper cache battery 2 Finger hook 3 Bicolor status LED (green or amber) 4 VHDCI connector (for connecting to a sixth-generation Smart Array controller or an MSA1500 cs enclosure) 5 Service...
Page 14 - Fan Assembly
Identifying Enclosure and Component Features Fan Assembly Figure 2-4: Fan assembly Item Description 1 Bicolor status LED (green or amber) 2 Release lever HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide 2-5
Page 15 - Power Supply Unit
Identifying Enclosure and Component Features 2-6 HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide Power Supply Unit Figure 2-5: Power supply unit Item Description 1 Handle 2 AC power inlet 3 Release lever 4 Bicolor status LED (green or amber) WARNING: Do not use the handles on th...
Page 16 - Removing and Replacing Components; Preventing Electrostatic Damage; Grounding Methods
3 Removing and Replacing Components Some enclosure components are hot-pluggable, while others should be replaced only after you have disconnected the enclosure from the AC power source. Table 3-1: Classification of Components Hot-pluggable Not hot-pluggable Mounting bracket covers (bezel ears) Hard ...
Page 17 - Replacement Procedures for Hot-Pluggable Components; Disk Drive or Drive Blank; Removing a Drive Blank
Removing and Replacing Components • Use a wrist strap connected by a ground cord to a grounded workstation or computer chassis. Wrist straps are flexible straps with a minimum of 1 megohm ± 10 percent resistance in the ground cords. To provide proper ground, wear the strap snug against the skin. • U...
Page 18 - Installing a Drive Blank
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 connector. CAUTION: A drive with a rapidly spinning disk can be difficult to hold securely. To decrease the chance of dropping the drive, do not remove it com...
Page 19 - Battery Packs and Cache (in the Controller Module)
Removing and Replacing Components Controller Module 1. Back up the data on the system. 2. Stop data transfers. 3. Disconnect the VHDCI cable. 4. Squeeze the release lever and the finger hook together while pulling the controller module out of the enclosure. 5. Transfer the cache and batteries from t...
Page 21 - Mounting Bracket Covers; Replacement Procedures for Non-Hot-Pluggable Components
Removing and Replacing Components 5. Remove the cache from the controller board: a. Open the ejector levers on each side of the memory module socket (1). b. Pull the cache board out of the socket (2). If the cache battery must be replaced: a. Press down on the plastic retainer tabs and push them thr...
Page 22 - Midplane Board
Removing and Replacing Components 2. Rotate the slot in the enclosure lid lever to the unlocked position (1), as indicated by the open padlock embossed in the lever. 3. Pull the lever toward the front of the enclosure (2). 4. Lift the lid off the enclosure (3). To replace the lid: 1. Position the li...
Page 24 - Backplane Board; Ribbon Cable
Removing and Replacing Components Backplane Board 1. Remove the midplane board. 2. Remove the knurled thumbscrew on the backplane board (1). 3. Tilt the lower portion of the backplane board upward and lift the board out of the enclosure (2). To install a backplane board: 1. Position the board agains...
Page 25 - UID Circuit Board; VRM Power Supply
Removing and Replacing Components 3-10 HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide UID Circuit Board 1. Disconnect the ribbon cable from the UID circuit board. 2. Remove the two screws (1). 3. Remove the UID LED and button panel (2). NOTE: Take care that the plastic window d...
Page 26 - Specifications; Power Specifications; Environmental Specifications
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 or 240 V 90 to 254 V RMS (autoranging) Steady state maximum current At 240 V: 1.8 A (one power supply) or 1.9 A (two power supplies) At 120 V: 3.7 A (one pow...
Page 27 - Physical Specifications
Specifications 4-2 HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide Physical Specifications Table 4-3: Enclosure Specifications Dimensions Form International (cm) US (in) Weight Unpacked 59.7 x 48.8 x 8.8 23.5 x 19.2 x 3.5 14 kg (32 lb) empty 24 kg (53 lb) with components In ship...
