Dell MD1420 Page 4 Owner'S Manual Download

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Installing the control panel

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Backplane

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Removing the backplane

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Installing the backplane

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3 Troubleshooting your enclosure.....................................................................32

Safety first—for you and your enclosure

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Troubleshooting enclosure startup failure

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Troubleshooting loss of communication

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Troubleshooting external connections

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Troubleshooting power supply unit or cooling fan module

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Troubleshooting enclosure cooling problems

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Troubleshooting Enclosure Management Modules

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Troubleshooting hard disk drives

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Troubleshooting enclosure connections

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Troubleshooting a wet enclosure

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Troubleshooting a damaged enclosure

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4 Getting help.........................................................................................................37

Contacting Dell

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Documentation feedback

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Summary of Contents for MD1420

Page 1: ...Dell Storage MD1400 Enclosures Hardware Owner s Manual ...

Page 2: ...problem WARNING A WARNING indicates a potential for property damage personal injury or death Copyright 2014 Dell Inc All rights reserved This product is protected by U S and international copyright and intellectual property laws Dell and the Dell logo are trademarks of Dell Inc in the United States and or other jurisdictions All other marks and names mentioned herein may be trademarks of their res...

Page 3: ...oving a hard disk drive blank 13 Installing a hard disk drive blank 14 Removing a hard disk drive 14 Installing a hard disk drive 15 Removing a hard disk drive from a hard disk drive carrier 15 Installing a hard disk drive into a hard disk drive carrier 16 Enclosure Management Module 16 Removing an EMM blank 17 Installing an EMM blank 17 Removing an EMM 17 Installing an EMM 18 AC power supply unit...

Page 4: ...ting loss of communication 32 Troubleshooting external connections 32 Troubleshooting power supply unit or cooling fan module 32 Troubleshooting enclosure cooling problems 33 Troubleshooting Enclosure Management Modules 34 Troubleshooting hard disk drives 34 Troubleshooting enclosure connections 35 Troubleshooting a wet enclosure 35 Troubleshooting a damaged enclosure 35 4 Getting help 37 Contacti...

Page 5: ...The power LED lights when at least one power supply unit is supplying power to the enclosure 3 Enclosure status LED The enclosure status LED glows when the enclosure power is on Glows solid blue during normal operation Blinks blue when a host server is identifying the enclosure or when the system identification button is pressed Blinks amber or remains solid amber for a few seconds and then turns ...

Page 6: ...entifying the enclosure or when the system identification button is pressed Blinks amber or remains solid amber for a few seconds and then turns off when the EMMs are booting or resetting Blinks amber for an extended time when the enclosure is in a warning state Remains solid amber when the enclosure is in the fault state 2 Power LED The power LED lights when at least one power supply unit PSU is ...

Page 7: ...sertion or removal NOTE The hard disk drive status indicator remains off until all hard disk drives are initialized after system power is turned on Hard disk drives are not ready for insertion or removal during this time The Dell PowerEdge RAID controller PERC H830 and 12Gb SAS HBA may take up to a minute to discover and initialize all the hard disk drives Blinks green amber and off Hard disk driv...

Page 8: ...server 3 Secondary EMM EMM 1 enclosure management functions for your enclosure 4 Information tag A slide out label panel which allows you to record Service Tag 5 Power switches 2 The power switch controls the power supply output to the enclosure 6 Power supply unit or cooling fan module PS 2 600 W power supply For more information see Power indicator codes Enclosure Management Module Each EMM prov...

Page 9: ...ocation in SAS Chain Enclosure failover when two EMMs are installed If two EMMs are installed a certain degree of failover is offered Control and monitoring of the enclosure elements can be transferred from one EMM to another in the event of an EMM failure A failover occurs whenever network communication is ended between an EMM and its peer In the event of a peer EMM failure the surviving EMM acti...

Page 10: ...first turned on to the power supply module 3 AC power Green ON Power supply module is connected to a source of AC power irrespective of whether or not a power switch is on OFF Power supply module is completely disconnected from any source of AC power Other information you may need WARNING See the safety and regulatory information that shipped with your system Warranty information may be included w...

Page 11: ...provides information about configuring RAID Any media that ships with your system that provides documentation and tools for configuring and managing your system including those pertaining to the operating system system management software system updates and system components that you purchased with your system NOTE Always check for updates on dell com support manuals and read the updates first bec...

Page 12: ...rist grounding strap Front bezel optional Removing the front bezel 1 Using the system key unlock the front bezel if locked 2 Lift the release latch next to the keylock 3 Pull the left end of the bezel away from the front panel 4 Unhook the right end of the bezel and pull the bezel away from the system Figure 7 Removing and installing the front bezel 1 keylock 2 front bezel 12 ...

Page 13: ...es are connected to a backplane using hard disk drive carriers and are configured as hot swappable CAUTION Do not turn off or reboot your enclosure while the hard disk drive is being formatted Doing so can cause a hard disk drive to fail When you format a hard disk drive allow enough time for the formatting to complete High capacity hard disk drives can take many hours to format Removing a hard di...

Page 14: ...1 If installed remove the front bezel See Removing the front bezel 2 From the management software prepare the hard disk drive for removal Wait until the hard disk drive indicators on the hard disk drive carrier indicates that the drive can be removed safely See your controller documentation for information about removing hot swapable hard disk drive If the hard disk drive has been online the green...

Page 15: ... fully installed Inserting a hard disk drive carrier and attempting to lock its handle next to a partially installed carrier can damage the partially installed carrier s shield spring and make it unusable 1 If applicable remove the front bezel See Removing the front bezel 2 If applicable remove the hard disk drive blank from the bay See Removing a hard disk drive blank 3 Press the release button t...

Page 16: ...ghten the four screws to secure the hard disk drive to the hard disk drive carrier Enclosure Management Module An enclosure with redundant enclosure management contains two enclosure management modules EMM You can cable your enclosure either in a single port redundant mode or in a multi mode configuration If only one EMM is installed in your enclosure it must be installed in EMM 0 You must install...

Page 17: ... chassis until it clicks into place Removing an EMM CAUTION Many repairs may only be done by a certified service technician You should only perform troubleshooting and simple repairs as authorized in your product documentation or as directed by the online or telephone service and support team Damage due to servicing that is not authorized by Dell is not covered by your warranty Read and follow the...

Page 18: ...ctions that came with the product 1 Insert and seat the EMM into the EMM bay 2 Push the release lever toward the chassis until it clicks into place 3 Connect all the SAS cables to the EMM 4 For information about the latest firmware see the Dell Support website at dell com support 5 If applicable update the firmware of the EMM NOTE If two EMMs are installed in the enclosure you must ensure that bot...

Page 19: ...ply or cooling fan module the fan speed in the remaining module increases significantly to provide adequate cooling The fan speed decreases gradually when a new power supply or cooling fan module is installed 1 Turn off the power supply unit or cooling fan module 2 Disconnect the power cable from the power source 3 Remove the Velcro straps that secure the power cable and then disconnect the power ...

Page 20: ...ted to the power supply unit or cooling fan module and the power switch is turned on 4 Turn on the power supply unit or cooling fan module About DC power supply units An MD Series storage array receives its power from two power supply modules In a DC powered MD Series storage array the power supply module receives power from two 48 V DC PSUs Each power supply module has two cooling fans NOTE The f...

Page 21: ...the following The power switch is off The power supply module is not connected to power There is a fault condition 2 Power supply module fault Yellow ON Fault detected OFF OK Blinks briefly when power is first turned on to the power supply module 3 Line input Green ON Power supply module is connected to a source of DC power whether or not the power switch is on OFF Power supply module is completel...

Page 22: ...ray 4 Protective safety earth ground Provides grounding for the power supply module It must be connected to the building s protective safety earth ground Removing and installing the DC power supply unit Input Requirements Supply voltage 48 60 V DC Current consumption 25 A maximum Kit Contents Molex 394260002 at PSU end Molex 39422 0012 mating DC power connector Required Tools Hand crimping tool Ty...

Page 23: ...Damage due to servicing that is not authorized by Dell is not covered by your warranty Read and follow all safety instructions that came with the product NOTE It is recommended that you use stranded copper wire type 1 Strip the insulation from the end of the green or yellow wire safety ground wire exposing approximately 4 5 mm 0 175 inch of copper wire 2 Using a hand crimping tool crimp the ring t...

Page 24: ...n appropriate DC power source As specified in the following table Connect each wire on power cable to the matching wire or terminal on DC power source Each wire on the power cable is labeled with information for easy identification Figure 18 Dc power cable d shell connector and terminals Pin Description Wire Color Wire Size 1 48V DC Safety Ground F or G Green or Yellow 10 AWG 2 48V DC Return Blue ...

Page 25: ...e with the product CAUTION The system requires one power supply for normal operation On power redundant systems remove and replace one power supply at a time when a system is turned on NOTE You must unlatch and lift the optional cable management arm if it interferes with power supply removal For information about the cable management arm see the system s rack documentation 1 Turn off the power swi...

Page 26: ...ower supply modules are the same type and have the same maximum output power NOTE The maximum output power shown in Watt is listed on the power supply module label 2 Slide the new power supply module into the chassis until the power supply module is fully seated and the release latch snaps into place NOTE If you unlatched the cable management arm relatch the arm For information about the cable man...

Page 27: ...s that came with the product CAUTION The system requires one power supply for normal operation On power redundant systems remove and replace one power supply module at a time when a system is turned on CAUTION A single power supply module can be removed from a switched on array for a maximum of five minutes Beyond that time the array may automatically shut down to prevent damage NOTE In case a pow...

Page 28: ...40 V AC autoranging 50 60 Hz DC Power Supply per power supply Watt 700 W Heat dissipation NOTE Heat dissipation is calculated using the power supply wattage rating 2388 BTU hr redundant 700 W power supply Voltage 48 60 V DC Temperature Maximum operation ambient temperature 35 C For information about supported expanded operating temperature range and configurations see dell com support manuals Cont...

Page 29: ...er you need to lift the enclosure get others to assist you To avoid injury do not attempt to lift the enclosure by yourself CAUTION Many repairs may only be done by a certified service technician You should only perform troubleshooting and simple repairs as authorized in your product documentation or as directed by the online or telephone service and support team Damage due to servicing that is no...

Page 30: ...e EMM or power supply cage to the chassis 8 Hold the cage removal ring at the bottom center of the enclosure and pull the EMM or power supply cage toward the back of the chassis Figure 22 Removing and installing the EMM or power supply cage 1 EMM or power supply cage 2 screws 6 9 Lift the EMM or power supply cage away from the chassis 10 Loosen the captive screw that secures the backplane to the c...

Page 31: ... the EMM or power supply cage with the tabs on the chassis 5 Push the EMM or power supply cage toward the front of the enclosure 6 Replace the screws that secure the EMM or power supply cage to the chassis 7 Install the control panel See Installing the control panel 8 Install the power supply or cooling fan modules See Installing an AC power supply unit or cooling fan module 9 Install the hard dis...

Page 32: ...r information about troubleshooting loss of communication see Troubleshooting Enclosure Management Modules Troubleshooting external connections Verify that the cables are connected to the correct ports before troubleshooting any external devices For the location of the back panel connectors on your enclosure see Back panel features and indicators Ensure that all the cables are securely attached to...

Page 33: ... a PSUs allow several seconds for the enclosure to recognize the PSUs and to determine if it is working properly If the problem is not resolved see Getting Help 3 If all LEDs on the PSUs or cooling fan module are off and if the enclosure is powered on you must update the firmware For information about updating the firmware see Dell Update Package at dell com support Troubleshooting enclosure cooli...

Page 34: ...urn off the server Reseat the cables on the storage enclosure and the server Restart the storage enclosure and wait until enclosure is fully booted Turn on the server Check the link status LED If the link status LED is not green proceed to the next step If the problem is not resolved see Getting Help Troubleshooting hard disk drives CAUTION Many repairs may only be done by a certified service tech...

Page 35: ... perform troubleshooting and simple repairs as authorized in your product documentation or as directed by the online or telephone service and support team Damage due to servicing that is not authorized by Dell is not covered by your warranty Read and follow the safety instructions that came with the product 1 Turn off the enclosure and disconnect all the cables 2 Remove the following components fr...

Page 36: ... or cooling fan modules Control panel Backplane 2 Ensure that all the cables are properly connected and that there are no damaged pins in the connectors 3 Run diagnostics available in Server Administrator If the test fails see Getting Help 36 ...

Page 37: ...ntry from the drop down menu on the top left corner of the page 3 For customized support a Enter your system service tag in the Enter your Service Tag field b Click Submit The support page that lists the various support categories is displayed 4 For general support a Select your product category b Select your product segment c Select your product The support page that lists the various support cat...

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