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HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide July 2004 (First Edition) Part Number 365511-001.
© Copyright 2004 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompan ying such products and services.
Contents About This Guide Audience Assumptions ........................................................................................................... ....................... v Technician Notes .....................................................
Contents Chapter 4 Specifications Power Specifications ........................................................................................................... ....................... 4-1 Environmental Specifications ...............................
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 in jury from electric shock and hazardous energy levels, only authorized service technicians should attempt to repair this equipment.
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 electr ically gro unded (earthed). To ensure proper operation, plug the AC power cord into a pr operly grounded AC outlet only.
1 Illustrated Parts Catalog The spare parts for the enclosure are illustrated on the following page. HP StorageWorks Modular Smart Array 20 Maintenanc e and Service Guide 1-1.
Illustrated Parts Catalog Figure 1-1: Enclosure parts 1-2 HP StorageWorks Modular Smart Array 20 Mainte nance and Service Guide.
Illustrated Parts Catalog HP StorageWorks Modular Smart Array 20 Maintenanc e and Service Guide 1-3 Item Description Spare part number 1 Chassis Not spared 2 Power supply unit 349800-001 3 Fan assembl.
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— Ind.
Identifying Enclosure a nd Component Featu res 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.
Identifying Enclosure a nd Component Featu res Table 2-1: Interpreting the Drive Status LEDs Online LED (green) Fault/ID LED (amber/blue) Meaning On, off, or flashing Alternating between amber and blue The drive has failed, or a predictive failure alert* has be en received for this drive.
Identifying Enclosure a nd Component Featu res 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 connec.
Identifying Enclosure a nd Component Featu res 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 Maint.
Identifying Enclosure a nd Component Featu res 2-6 HP StorageWorks Modular Sm art Array 20 Maintenance and Service Guide Power Supply Unit Figure 2-5: Power supply unit Item Description 1 Handle 2 AC .
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.
Removing and Replacin g Components • Use a wrist strap connected by a ground cord to a grounded workstation or comp uter 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 aga inst the skin.
Removing and Replacin g Components 2. Pull the drive out of the enclosure by about 3 cm (1 inch) so that it is disconnected from the backplane connector.
Removing and Replacin g Components Controller Module 1. Back up the data on the system. 2. Stop data transfers. 3. Disconnect the VHD CI cable. 4. Squeeze the r elease lever and the finger hook together while pulling the controlle r module out of the enclosure.
Removing and Replacin g Components 3. Remove the upper battery unit (1). a. Loosen the thumbscrews (2). b. Disconnect the battery cabl e (3). c. Slide the upper battery unit toward the rear of the controller module and lift it out. 4. If the battery pack in the upper battery unit must be replaced, remove it as follows: a.
Removing and Replacin g 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 through to the other side of the cache board (3).
Removing and Replacin g 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).
Removing and Replacin g Components 4. Disconnect the ribbon cable from the midplane board. 5. Loosen the captive thumbscrews (1). 6. Pull or push against the captive thumbscrews to slide the midplane board toward the rear of the enclosure (2). 7. Tilt the board lengthwise and manipulate it to get it out of the chassis.
Removing and Replacin g 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.
Removing and Replacin g Components 3-10 HP StorageWorks Modular Smart Array 20 Maintenanc e 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 pane l (2).
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.
Specifications 4-2 HP StorageWorks Modular Sm art 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 shipping carton 83.
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