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PS6500 Storage Arrays

Hardware Maintenance

110-0118-EN-R2

Summary of Contents for PS6500

Page 1: ...PS6500 Storage Arrays Hardware Maintenance 110 0118 EN R2 ...

Page 2: ...mark All trademarks and registered trademarks mentioned herein are the property of their respective owners Information in this document is subject to change without notice Reproduction in any manner whatsoever without the written permission of Dell is strictly forbidden August 2010 Part Number 110 0118 EN Rev 2 ...

Page 3: ...n Array 1 13 Shutting Down and Turning Off Power to an Array 1 13 Returning Hardware 1 14 2 Maintaining Disk Drives 2 1 Disk Drive LEDs 2 1 Disk Drive Status 2 2 Disk Drive Numbering 2 3 Array Behavior When a Disk Drive Fails 2 3 Disk Drive Requirements 2 4 Removing Disk Drives 2 4 Installing Disk Drives 2 7 3 Maintaining Control Modules 3 1 Identifying the Control Module 3 1 Interpreting Control ...

Page 4: ...g a Power Supply and Cooling Module 4 4 5 Maintaining Channel Cards 5 1 Channel Card LEDs 5 1 Channel Card Status 5 2 Array Behavior When a Channel Card Fails 5 2 Channel Card Handling Requirements 5 3 Replacing a Channel Card 5 3 Removing a Channel Card 5 3 Inserting a Channel Card 5 4 6 Maintaining the EIP Card 6 1 EIP Card LEDs 6 1 EIP Card Status 6 3 Array Behavior When an EIP Card Fails 6 3 E...

Page 5: ... PS6500 array front and back panels and technical specifications in addition to basic array operations Chapter 2 Maintaining Disk Drives describes how to obtain disk drive status and how to install and remove disk drives Chapter 3 Maintaining Control Modules describes how to obtain control module status how to install and remove a control module and how to replace the micro SD card Chapter 4 Maint...

Page 6: ...gures and manages multipathing Multipath I O Device Specific Module MPIO DSM Includes a connection awareness module that understands PS Series network load balancing and facilitates host connections to PS Series volumes VSS and VDS Provider Services Allows 3rd party backup software vendors to perform off host backups Auto Snapshot Manager Microsoft Edition ASM ME Uses PS Series snapshots cloning a...

Page 7: ... available to answer your questions about PS Series arrays If you have an Express Service Code have it ready when you call The code helps Dell s automated support telephone system direct your call more efficiently Contacting Dell Dell provides several online and telephone based support and service options Availability varies by country and product and some services may not be available in your are...

Page 8: ...hat specifies your country or region 3 Select the required service Click the Contact Us link or select the Dell support service from the list of services provided 4 Choose your preferred method of contacting Dell support such as e mail or telephone Online Services You can learn about Dell products and services using the following procedure 1 Visit www dell com or the URL specified in any Dell prod...

Page 9: ...of the array You must remove the bezel and open the chassis cover to access these components See Removing and Installing the Bezel on page 1 8 and Opening and Closing the Chassis Cover on page 1 9 You access control modules and power supply and cooling modules from the rear of the array Figure 1 1 Description Control modules A PS6500 array includes two control modules Power supply and cooling modu...

Page 10: ...open Array Bezel and Front Panel Figure 1 2 shows the bezel of a PS6500 array The bezel conceals the array front panel and the power switch deterring a user from inadvertently turning off power to the array Figure 1 2 PS6500 Bezel You must unlock and remove the bezel to view the front panel as described in Removing and Installing the Bezel on page 1 8 Figure 1 3 shows the array front panel Figure ...

Page 11: ...out the chassis opening the cover and exposing the disk drives channel cards and EIP card Figure 1 4 Description Indicator Status Description Array power Off No power Green Normal operation Yellow Array is not turned on standby mode Power supply and cooling modules Off Normal operation Flashing orange Module removed Orange Power supply failure fan failure or upper or lower temperature limit exceed...

Page 12: ...ware Failures If a hardware failure occurs an icon and any numerical identifier for the affected component appear in the LCD panel See Figure 1 6 Figure 1 6 LCD Panel Fan Failure If a disk drive fails you will also see an icon showing the location of the failed drive in the chassis See Figure 1 7 Figure 1 7 LCD Panel Disk Drive Failure If multiple hardware failures occur simultaneously the LCD pan...

Page 13: ... where n and the number shown in the icon specifies the module 0 1 or 2 numbered from left to right when viewed from the rear of the array Fan n Fault Fan failure in a power supply and cooling module where n and the number shown in the icon specifies the module 0 1 or 2 numbered from left to right when viewed from the rear of the array Thermal Fault Array temperature exceeds upper or lower limit I...

Page 14: ...el Figure 1 9 shows the back panel of a PS6500 array Figure 1 9 PS6500 Back Panel See Interpreting Control Module LEDs on page 3 1 and Power Supply and Cooling Module LEDs on page 4 1 for descriptions of the LEDs shown on the back panel Serial Number Label The serial number label for the array is on the rear chassis flange See Figure 1 10 Figure 1 9 Description Power supply and cooling modules At ...

Page 15: ...ction device to prevent electrostatic discharge Always store hardware where it is protected from electrostatic discharge An electrostatic wrist strap is supplied in the array shipping box To use the wrist strap 1 Connect the steel snap on the coil cord to the stud on the elastic band See Figure 1 11 Figure 1 11 Using an Electrostatic Wrist Strap 2 Fit the band closely around your wrist 3 Connect t...

Page 16: ...Also you must remove the bezel to access the cam screws that lock the chassis cover To unlock and remove the bezel 1 Insert the bezel key and turn it clockwise to unlock the bezel See Figure 1 12 Figure 1 12 Unlocking the Bezel 2 Push the bezel release latch up to disengage the bezel from the chassis See Figure 1 13 Figure 1 13 Pushing Up the Bezel Release Latch 3 Hold the bezel and pull the bezel...

Page 17: ...unter clockwise to lock the bezel to the chassis Opening and Closing the Chassis Cover To access disk drives channel cards and the EIP card you must remove the bezel then unlock and open the chassis cover See Removing and Installing the Bezel on page 1 8 Note To provide proper cooling in an array with full power minimize the time that the chassis cover is open To unlock and open the chassis cover ...

Page 18: ... left side of the front panel clockwise After you close and lock the chassis cover you can install the bezel See Removing and Installing the Bezel on page 1 8 Using the Cable Management System The cable management system enables you to organize your power and network cables It also enables you to open the chassis cover without dislodging the cables Warning For safety you must use the cable managem...

Page 19: ...Installed See the PS6500 Rack Mount Instructions for information about installing the cable management system To use the cable management system 1 Gather all the network and power cables and route the cables along the top arm of the three arm assembly going fromcallout 1 to 2 as shown in Figure 1 18 Make sure the cables have sufficient slack between the array back panel and the first connection to...

Page 20: ...Figure 1 19 Attaching the Hook and Loop Fasteners 2 Route the cables along the middle arm of the three arm assembly going from 3 to 4 in Figure 1 18 3 Route the cables along the one arm assembly connected to the top of the left and right rails going from 5 to 6 in Figure 1 18 After routing the cables the installation should resemble Figure 1 20 Figure 1 20 Cables Attached to the Cable Management S...

Page 21: ...el as described in Removing and Installing the Bezel on page 1 8 3 Press the blue power button on the front panel When the array restart completes if the array is a member of a group the LCD panel will show the member name Shutting Down and Turning Off Power to an Array Although a PS Series array includes hot swappable hardware components in some cases you must cleanly shut down the array and turn...

Page 22: ... module is off not lit 5 To fully remove power from the array disconnect each power supply from its power source Note that the array will no longer be grounded if you disconnect all the power cables Note If you turn off power to an array but two or more functioning power supply and cooling modules are connected to a source of power the array will enter standby mode For information about turning on...

Page 23: ...disk hardware status LED circled in Figure 2 1 shows the overall status of the disk drives This LED panel is visible with the bezel on Figure 2 1 Disk Hardware Status LED on Front Panel When you remove the bezel a row of 48 LEDs 12 sets of four is visible at the bottom of the front panel These LEDs are on both sides of the hardware status LED panel Figure 2 2 Disk LEDs on Bottom of Front Panel Eac...

Page 24: ...disk drive failure appears on the LCD panel located behind the bezel on the console in the event log or in the Group Manager GUI Alarms panel Group Manager GUI and CLI output The Member Disks window or the member select show disks command output shows a disk drive failure LED Location Color Description Disks LED on array front panel Off Normal operation Yellow Array is in standby mode Flashing yel...

Page 25: ...s a disk drive failure depends on whether a spare disk drive is available and whether the failed drive was in a degraded RAID set If a spare disk drive is available it automatically replaces the failed disk Performance is normal after reconstruction completes If a spare disk drive is not available and the failed disk drive is in a RAID set with no previous disk drive failure the RAID set becomes d...

Page 26: ...tall only disk drives of the same capacity speed and spin rate in an array If an array contains disk drives with different sizes in some cases the smallest disk drive in the array will determine how much space can be used on each disk For example if the smallest disk drive is 400GB only 400GB of space will be available for use on each disk Do not remove a functioning disk drive from an array If yo...

Page 27: ...g and Removing the Correct Drive 6 Open the disk drive release lever by sliding the latch toward the front of the array and pulling up the latch arm This will disengage the disk drive from the slot 7 Wait 30 seconds to allow the disk drive to stop spinning and the heads to land ...

Page 28: ...ntenance Maintaining Disk Drives 2 6 8 Holding the sides of the disk drive pull up and remove the drive from the slot Caution Do not pull the drive up by the lever See Figure 2 6 Figure 2 6 Wrong Way to Hold a Disk Drive ...

Page 29: ... from Electrostatic Discharge on page 1 7 2 Remove the bezel See Removing and Installing the Bezel on page 1 8 3 Unlock and open the chassis cover See Opening and Closing the Chassis Cover on page 1 9 4 Install the replacement drive as follows a Open the disk drive release lever by sliding the latch toward the front of the array and lifting up the latch arm b Hold the replacement disk drive by the...

Page 30: ... disk drive gently into the slot until you feel resistance 2 d Push the disk drive the rest of the way into place The lever should still be open Do not force the lever closed 3 Caution Forcing the lever closed can break the latch and make the drive unusable e Pull back the latch 4 ...

Page 31: ...holding the latch open g Push the latch forward 6 h Make sure it engages with the slot in the drive carrier 7 9 Close and lock the chassis cover See Opening and Closing the Chassis Cover on page 1 9 10 Reinstall the bezel See Removing and Installing the Bezel on page 1 8 Make sure the new disk drive is operational See Disk Drive Status on page 2 2 for more information ...

Page 32: ... disk drive in an array that is an active group member the drive will be automatically configured into a RAID set when you close the chassis If you install a disk drive during RAID reconstruction or verification the drive will not be configured until the operation completes ...

Page 33: ...s active serving network traffic at one time The secondary redundant control module mirrors cache data from the active control module If the active control module fails the secondary will take over network operations Caution Do not mix control module types in an array Always make sure both control modules are the same type and color See the latest PS Series Release Notes for information about othe...

Page 34: ...ronized with active control module or error condition Green Active control module serving network I O Orange Secondary control module Cache is synchronized with active control module ERR LED Off Normal operation or no power Red Array is starting up or error condition PWR LED Off No power Green Power Table 3 2 Ethernet Port LED Descriptions Ethernet Port LEDs Color Description Left side of each por...

Page 35: ...rface fails iSCSI initiators that were connected to the failed interface can reconnect to the group IP address and be redirected to a functioning interface For example if Ethernet 0 and Ethernet 1 are connected to a network and Ethernet 0 becomes disabled initiators that were connected to Ethernet 0 can be redirected to Ethernet 1 Control module failover If the active control module fails the seco...

Page 36: ...odule to replace a micro SD card Note For proper cooling do not leave a control module slot empty If an array will operate for a long time with only one control module you must install a blank control module in the empty slot You can order a blank control module from your PS Series array service provider You can remove a control module without shutting down the array if the remaining control modul...

Page 37: ...wards This will disengage the control module from the array See Figure 3 3 Figure 3 3 Opening a Control Module Latch 2 Hold the latches and carefully slide the control module from the slot See Figure 3 4 Figure 3 4 Removing a Control Module 3 Place the control module on a flat surface where it will be protected from electrostatic charge Caution To avoid damage do not place anything on top of the c...

Page 38: ...re Installing a Control Module You can install a control module without shutting down the array Caution Do not mix control module types in an array Control modules are oriented horizontally in the array with the label text right side up serial port to the left and the Ethernet ports to the right as shown in Figure 3 5 Figure 3 5 Correct Control Module Orientation To install a control module 1 Atta...

Page 39: ...contact your PS Series array service provider Note When connected a control module cache battery may begin to charge If the low battery safe cache policy is enabled the default the array will operate in write through mode until the cache battery is fully charged However if you need optimal performance before the battery is fully charged as soon as the battery status is good charging you can tempor...

Page 40: ...ctrostatic wrist strap as described in Protecting Hardware from Electrostatic Discharge on page 1 7 See Replacing the MicroSD Card on page 3 7 for instructions on removing a control module Caution Be careful not to damage the circuit board Do not use sharp instruments to remove the microSD card Removing the MicroSD Card 1 Firmly push the card into its housing to release the spring mechanism Figure...

Page 41: ... the housing Figure 3 8 2 Firmly press the card into the housing until it clicks into place Make sure you cannot pull it out Figure 3 8 Inserting the MicroSD Card 3 Install the control module See Installing a Control Module on page 3 6 After you replace the micro SD card make sure the control module is operational See Interpreting Control Module LEDs on page 3 1 ...

Page 42: ...n which the group IP address resides Redundant network paths Using a multipathing solution helps to make sure that no single point of failure exists between computers and arrays For replication a reliable adequately sized network link For effective and predictable replication make sure that the network link between the primary and secondary groups is reliable and provides sufficient bandwidth for ...

Page 43: ...faces to different network switches To provide connectivity if a control module fails connect a cable to the first interface port on each control module For example connect a cable to Ethernet 0 on CM0 and to Ethernet 0 on CM1 At a minimum connect network cables to Ethernet 0 on both control modules and then connect the cables to a network switch See Figure 3 9 Figure 3 9 Minimum Network Configura...

Page 44: ...PS6500 Hardware Maintenance Maintaining Control Modules 3 12 Figure 3 10 Recommended PS6500 Network Configuration ...

Page 45: ...ing modules have the following LEDs On the bottom front of the array in the center the power supply and cooling module hardware status LED circled in Figure 4 1 shows the status of all the power supply and cooling modules This LED panel is visible with the bezel on Figure 4 1 Power Supply Hardware Status LED on Front Panel Each power supply and cooling module has four LEDs that show the module sta...

Page 46: ...e Figure 1 9 Array Behavior When a Power Supply Fails If one power supply and cooling module fails the array will continue to operate as long as two modules are functioning and connected to power Otherwise the array will shut down automatically If a power supply and cooling module fails contact your PS Series support provider for a replacement Table 4 1 Power Supply and Cooling Module LED Descript...

Page 47: ...iguration Dell recommends that you Connect the three power supply and cooling modules to different power sources on separate circuits See Figure 4 3 Connect two power supplies to an uninterruptible power supply UPS system and connect the other power supply to a different power source Notes If your array was shipped with power cables use these cables to meet safety requirements Otherwise contact yo...

Page 48: ... downwards This disengages the module from the chassis See Figure 4 4 module shown alone for clarity Figure 4 4 Opening the Handle 3 Hold the handle and carefully slide the module from the slot See Figure 4 5 Figure 4 5 Removing a Power Supply and Cooling Module When you replace a failed power supply and cooling module return the module in the packaging in which the replacement module was shipped ...

Page 49: ...le After installing a power supply and cooling module connect a power cable to the module and to a source of power See Power Requirements and Recommendations on page 4 3 for examples of power configurations Note If your array was shipped with power cables use these cables to meet safety requirements Use the cable strain relief to secure a power plug to the array If you need to reverse the cable st...

Page 50: ...tach it If the array was shut down turn on power to the array See Turning on Power to an Array on page 1 13 Make sure the new module is operational See Power Supply and Cooling Module Status on page 4 2 Caution After installing a power supply and cooling module wait until the new module initializes before removing the other module Once connected to a source of power module initialization generally...

Page 51: ...he Chassis Cover on page 1 9 Viewed from the front of the array channel card 0 is on the right side and channel card 1 is on the left side of the array Channel Card LEDs The following LEDs indicate channel card status On the bottom front of the array in the center the channel card hardware status LED circled in Figure 5 1 shows the status of both channel cards Figure 5 1 Channel Card Hardware Stst...

Page 52: ... failure If a channel card fails contact your PS Series support provider for a replacement Array Behavior When a Channel Card Fails If a channel card fails the array will continue to operate If both channel cards fail the array will no longer operate Replace a failed channel card as soon as possible Contact your PS Series support provider for a replacement Note Do not remove a failed channel card ...

Page 53: ...operation if the second card is installed and functioning Otherwise if possible cleanly shut down the array before removing the channel card as described in Shutting Down and Turning Off Power to an Array on page 1 13 Notes After you install a channel card wait 60 seconds before removing the other channel card to allow the channel cards to initialize For proper array cooling minimize the time that...

Page 54: ... pull up sliding the channel card from the slot See Figure 5 4 Make sure you place the channel card where it is protected from electrostatic discharge Figure 5 4 Removing a Channel Card Inserting a Channel Card 1 Hold the replacement channel card by the handle and orient the card as shown in Figure 5 2 with the channel card LEDs toward the front of the chassis ...

Page 55: ...tches Note Make sure the channel card is completely seated The card must not protrude from the top of the chassis 4 Close and lock the chassis cover See Opening and Closing the Chassis Cover on page 1 9 5 If the array was shut down turn on power to the array See Turning on Power to an Array on page 1 13 6 Reinstall the bezel See Removing and Installing the Bezel on page 1 8 Make sure the new chann...

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Page 57: ...ss the EIP card from the front of the array after removing the bezel and opening the chassis cover See Removing and Installing the Bezel on page 1 8 and Opening and Closing the Chassis Cover on page 1 9 EIP Card LEDs The EIP card has the following LEDs On the bottom front of the array in the center the EIP card hardware status LED circled in Figure 6 1 shows the status of the EIP card Figure 6 1 E...

Page 58: ... way to hold an EIP card while protecting it from electrostatic discharge or other damage LEDs The LEDs show the EIP card status Thumbscrew The thumbscrew secures the EIP card to the chassis Table 6 1 EIP Card LED Descriptions EIP Card LED and Location Color Description EIP card LED on array front panel Off Normal operation Flashing yellow Card removed Yellow EIP card failure Invalid ID LED on EIP...

Page 59: ...from electrostatic discharge When handling an EIP card always wear an electrostatic wrist strap or a similar protective device See Protecting Hardware from Electrostatic Discharge on page 1 7 Handle EIP cards carefully Hold an EIP card only by the mounting bracket Do not force an EIP card into a slot Store EIP cards properly Store an EIP card in its original packaging or in an antistatic bag or pl...

Page 60: ...6 3 Removing the EIP Card Thumbscrew 5 Hold the EIP card mounting bracket and carefully pull up and slide the card from the chassis See Figure 6 4 Figure 6 4 Removing the EIP Card 6 Make sure you place the EIP card where it is protected from electrostatic discharge ...

Page 61: ...p of the chassis 3 Use a Phillips screwdriver to gently tighten the EIP card thumbscrew Note The array will emit an audible signal when the EIP card boots 4 Close and lock the chassis cover See Opening and Closing the Chassis Cover on page 1 9 5 If the array was shut down turn on power to the array See Turning on Power to an Array on page 1 13 6 Reinstall the bezel See Removing and Installing the ...

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Page 63: ...m operating altitude 0 to 3048 meters 0 to 10 000 feet Operational relative humidity 20 to 80 noncondensing Storage relative humidity 5 to 80 noncondensing Thermal output fully loaded array 3400 BTU hour Operational shock 5g peak 1 2 sin for 10ms Operational vibration 21 Grms 5 to 500 Hz Random Input voltage 100 to 240 VAC auto sensing Input frequency 50 60 Hz System input power 1400 VA maximum Ea...

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Page 65: ...EIP card 6 3 removing power supply and cooling modules 4 3 restarting 1 13 shutdown procedure 1 13 specifications A 1 B back panel description 1 6 batteries charging 3 7 servicing 3 1 bezel installing 1 9 locking 1 9 removing 1 8 unlocking 1 8 C cable management system using 1 10 3 7 4 6 cable strain relief using 4 6 cables network connecting 3 7 3 11 supported 3 11 cables power connecting 4 6 cab...

Page 66: ... 4 2 fans failure indications 4 2 initialization 4 6 installing module 4 4 LEDs 4 1 locating modules 4 2 maintaining 4 1 removing module 4 3 verifying operational status 4 6 field replaceable modules how to access 1 1 firmware identifying 3 3 3 4 requirements 3 3 3 7 Flow Control recommendation 3 10 front panel description 1 2 full power mode defined 1 13 G Gigabit Ethernet recommendation 3 10 H h...

Page 67: ...stems 4 3 verifying operational status 4 6 R requirements channel cards 5 3 control modules 3 4 cooling 4 1 disk drives 2 4 EIP card 6 3 environmental A 1 firmware 3 3 hardware handling 1 7 network 3 11 physical A 1 power 4 1 A 1 power cables 4 5 S serial cable connecting 1 13 serial number label location 1 6 shutting down an array 1 13 Spanning Tree Protocol recommendation 3 10 standby mode LCD p...

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