Dell MD1280 manuale d’uso

Dell Storage MD1280 Service Guide Regulatory Model: SP-2584, E11J[...]

Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 201[...]

Contents 1 About the Dell Storage MD1280 Service Guide............................................... 5 Dell Storage MD1280 overview .............................................................................................................5 Dell Storage MD1280 hardware .............................................................................[...]

Troubleshooting PSUs ........................................................................................................................ 25 Troubleshooting DDICs ...................................................................................................................... 25 Troubleshooting I/O EMMs ....................................[...]

1 About the Dell Storage MD1280 Service Guide The Dell Storage MD1280 Service Guide provides information about enclosure service and maintenance. Dell Storage MD1280 overview A Dell Storage MD1280 enclosure holds the physical disk drive storage. The interface between the controller I/O cards and the enclosure is referred to as back ‐ end connecti[...]

Figure 1. Front-panel features and indicators Table 1. Front-panel features and indicators Item Name Panel Description 1 Enclosure status indicator • Unit ID Display : Displays the enclosure unit identification number. The unit identification number is helpful when setting up and maintaining a multiple ‐ enclosure configuration. • Input Switc[...]

Item Name Panel Description • Drive drawer 2 Fault : Amber when a hard drive, cable, or sideplane fails in drive drawer 2. 2 Drive drawer ‐ specific left and right side enclosure activity indicators Activity Bar Graph : Six variable ‐ intensity LEDs glow dynamically displaying access of the hard drives in that specific enclosure drive drawer.[...]

Figure 2. Back-panel features and indicators Table 2. Back-panel features and indicators Item Control/Feature 1 Optional cable retention positions (4) 2 I/O enclosure management modules (2) 3 Fan modules (5) NOTE: Each fan module includes two fans. The Storage Enclosure Management Software lists 10 fans 0–9. The physical enclosure enumerates the [...]

Figure 3. I/O EMM features and indicators Table 3. I/O EMM features and indicators Item Control/Feature Icon Description 1 Fault LED • Off — Module OK • Amber — Module fault 2 Power LED • Green (steady) — Module OK • Green (blinking) — Vital product data (VPD) fault • Off — Module fault 3 Console port Factory use only 4 SAS port[...]

Figure 4. Fan module features and indicators Table 4. Fan module features and indicators Item Control/Feature Icon Description 1 Release latch Releases fan from enclosure 2 Module OK Green — Module OK 3 Fan fault Amber — Loss of communication with the fan module, or reported fan speed is out of specification. PSU features and indicators Dell St[...]

Table 5. PSU features and indicators Item Control/Feature Icon Description 1 Release latch Releases PSU from enclosure 2 PSU fault • Amber (steady) — PSU fault or PSU not working • Amber (blinking) — PSU firmware is downloading 3 AC fault • Amber (steady) — AC power is not detected • Amber (blinking) — PSU firmware is downloading 4 [...]

Table 6. DDIC indicator Item Feature Icon Indicator Code 1 DDIC fault indicator • Amber — Hard drive fault • Amber (blinking) — When a hard drive or enclosure fails, or a command is run to blink the drive or the enclosure, the associated LED blinks every second. When a hard drive fails, the fault LED of the hard drive drawer that contains t[...]

2 Replacing Dell Storage MD1280 components This section describes the tasks to replace field replaceable units (FRUs) inside the Dell Storage MD1280 enclosure. Here, it is assumed that the user has already received the appropriate replacement device and is ready to install the device in the enclosure. Safety precautions To avoid injury and damage t[...]

CAUTION: If the enclosure system operates for too long (depending on altitude) with drive drawers open, the enclosure can overheat, causing power failure and data loss. Such use may invalidate the warranty. Electrostatic discharge precautions To avoid injury and damage to the enclosure, always follow electrostatic discharge (ESD) precautions. ESD i[...]

Steps 1. Turn off the PSU switch. 2. Remove the power cord from the securing clip and then remove the power cord from the PSU. 3. Push the red release tab to right and hold it, and then slide the PSU out of the chassis by using the PSU handle. CAUTION: The PSUs are heavy. To avoid injury, use both hands while removing the module. Figure 7. Removing[...]

Figure 8. Securing the power cord 1. Power cable securing clip 7. Turn on the PSU switch. NOTE: Allow the enclosure to identify the PSU and determine its status. If the PSU is functioning properly, the PSU’s Power OK LED glows green and the PSU fault LED and AC fault LED are off. Replacing fan modules The Dell Storage MD1280 enclosure supports fi[...]

CAUTION: The fan modules are heavy. To avoid injury, use both hands while removing the module. Figure 9. Removing a fan module 1. Fan module 2. Release tab 2. Rotate the replacement fan module so that the release tab and handle are on the right side. 3. Slide the replacement fan module into the chassis until it is fully seated and the release tab c[...]

Figure 10. Numbering the hard drive 1. Drive drawer 1 2. Drive drawer 0 Identifying the failed hard drive To identify the failed hard drive, use the secli component of the Storage Enclosure Management Software or visually verify the failed hard drive. For more information on using the secli to identify failed devices, see the Dell Storage MD1280 Ad[...]

Figure 11. Opening a DDIC 1. Drive drawer latches (2 per drawer) 2. Drive drawer CAUTION: Before opening a drive drawer, ensure that the system is not indicating a temperature warning. This issue must be rectified first to avoid potential hard drive failure and data loss. 2. Push and hold both red drive drawer latches toward the center of the drive[...]

Figure 12. Removing a DDIC 1. Hard drive fault LED 2. Release button 3. DDIC NOTE: Leave the hard drive in the carrier. The replacement hard drive will be in the carrier and attempting to remove the carrier can cause the carrier to break. 7. Slide the replacement DDIC into the slot, push and hold the DDIC down while sliding it toward the back of th[...]

Figure 13. Closing a drive drawer 1. Drive drawer 2. Open-drawer lock 8. Close the drive drawer. a. Pull and hold both drive drawer releases and push the drive drawer inside slightly. b. Release and push the drive drawer until it clicks into a place. WARNING: After releasing the open ‐ drawer locks, move hands away from the slides to avoid injury[...]

Identifying the failed EMM To identify the failed EMM, use the secli component of the Storage Enclosure Management Software or visually verify the EMM that is not functioning. For more information on using the secli to identify failed devices, see the Dell Storage MD1280 Administrator's Guide . Replacing an EMM About this task EMMs can be repl[...]

Replacing chassis Replacing the chassis is required when non-FRU devices must be replaced. Replacing a chassis requires a scheduled maintenance window when the system is unavailable. The replacement chassis comes without any FRUs, and therefore all cards and DDICs must be transferred to the new chassis. About this task To replace a chassis, complet[...]

b. Remove the HDBs from the rear of the rack. 3. Remove the enclosure from the rack rails. WARNING: Do not attempt to lift the enclosure without any assistance. If installed above the lower 20U of a rack, a customer ‐ provided mechanical lift must be used to avoid injury. 4. Remove the rack rails from the rack. 5. Install the replacement rack rai[...]

3 Troubleshooting Dell Storage MD1280 components This section contains basic troubleshooting tasks for components inside the Dell Storage MD1280 enclosure. Troubleshooting fan modules About this task To troubleshoot fan modules, complete the following tasks: Steps 1. Determine the status of the fan module LEDs. If the fan fault LED glows, it implie[...]

Steps 1. Determine the status of DDIC LED. a. If the DDIC fault LED glows, it implies that the hard drive has failed. CAUTION: Confirmed that the particular hard drive contains no user data. The Fault LED alone is not an indication the hard drive can be safely removed. b. If the DDIC fault LED is not glowing, perform task 2 here. 2. Check the conne[...]

4 Technical specifications The technical specifications of the MD1280 are displayed in the following tables. Drives SAS hard drives Up to 84 SAS hot-swappable hard drives (6.0 Gbps or 12.0 Gbps) and SSDs Enclosure Management Modules (EMM) EMMs Two hot-swappable I/O EMM modules Connectivity Configurations Various server-attached configurations as sp[...]

LED Indicators 6 Gbps SAS I/O module 14 one-color LED status indicators, four each for the three SAS ports, and two for the module status Fan module • One single-color LED indicator for module status • One single-color LED indicator for battery fault status (not currently used) • One single-color LED indicator for fan fault status • One sin[...]

Physical Depth (front mounting bracket to rear surface) 91.5 cm (36 inches) Depth (front surface to rear surface) 96 cm (38 inches) Full Weight (maximum configuration) 130.7 kg (287.5 lb) Shipping Weight (without hard drives) 62 kg (137 lb) 29[...]

Environmental NOTE: For more information about environmental measurements for specific system configurations, see dell.com/environmental_datasheets . Temperature Operating 5° to 35°C (41° to 95°F) with a maximum temperature gradation of 10°C per hour NOTE: Maximum 35°C up to 2134 m (7000 ft), derate to 30°C for 2134 m to 3000 m (7000 ft to 1[...]

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5 Contacting Dell Dell provides several online and telephone-based support and service options. If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Availability varies by country and product, and some services may not be available in your area. To [...]