Dell EMC PowerVault ME484 Owner'S Manual Download Page 18

Page: 18 / 152

Figure 21. 5U84 controller enclosure—rear panel components (4-port FC/iSCSI)

Controller module slot A

Controller module slot B

FCM slot 0

FCM slot 1

FCM slot 2

FCM slot 3

FCM slot 4

PSU slot 0

PSU slot 1

Figure 22. 5U84 controller enclosure—rear panel components (4-port SAS)

Controller module slot A

Controller module slot B

FCM slot 0

FCM slot 1

FCM slot 2

FCM slot 3

FCM slot 4

PSU slot 0

PSU slot 1

Storage system hardware

Summary of Contents for PowerVault ME484

Page 1: ...Dell EMC ME4 Series Owner s Manual ...

Page 2: ...amage 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 2018 Dell Inc or its subsidiaries All rights reserved Dell EMC and other trademarks are trademarks of Dell Inc or its subsidiaries Other trademarks may be trademarks of their respective owners 2018 12 Rev A01 ...

Page 3: ...17 5U84 enclosure rear panel 17 5U84 enclosure chassis 21 5U84 enclosure drawers 21 Operator s Ops panel LEDs 22 2U enclosure Ops panel 22 5U enclosure Ops panel 24 Controller and expansion modules 25 CompactFlash 30 Supercapacitor pack 31 Controller failure when a single controller is operational 31 Cache Status LED corrective action 32 Transporting cache 32 2 Troubleshooting and problem solving ...

Page 4: ... disk drive carrier module 53 Replacing an I O Module IOM 66 Replacing a power supply unit PSU 71 Replacing a fan cooling module FCM 73 Replacing a power cooling module PCM 75 Completing the component installation process 77 Verifying component operation 77 Using LEDs 77 Using management interfaces 78 Performing updates in MESM after replacing an FC or SAS HBA 78 Removing a 2U storage enclosure ch...

Page 5: ...ications 146 Enclosure dimensions 146 Enclosure weights 147 Environmental requirements 147 Power cooling module 148 Power supply unit 149 C Standards and regulations 150 International standards 150 Potential for radio frequency interference 150 European regulations 150 Safety compliance 150 Dell EMC compliance 151 AC power cables 151 Recycling of Waste Electrical and Electronic Equipment WEEE 152 ...

Page 6: ...Tag and Express Service Code The Service Tag and Express Service Code are found on the front of the system by pulling out the information tag Alternatively the information might be on a sticker on the back of the storage system chassis This information is used to route support calls to appropriate personnel NOTE Quick Resource Locator QRL The QRL code contains information unique to your system It ...

Page 7: ...configuration by adding a second controller in Slot B Controller B can be added while Controller A continues to process Host I O requirements However we recommend scheduling configuration changes during a maintenance window with low or no I O activity Data is not impacted when a second Controller B is inserted into the live array but we recommended doing a complete data backup before proceeding NO...

Page 8: ...s in 2U enclosures must hold blank drive carrier modules Read the module bay caution label affixed to the module being replaced Replace a defective power cooling module PCM with a fully operational PCM within 24 hours Do not remove a defective PCM unless you have a replacement model of the correct type ready for insertion Before removal replacement of a PCM or power supply unit PSU disconnect powe...

Page 9: ...losure system rear orientation is equipped with 2 controllers 4 port FC ISCSI model shown Figure 3 2U24 enclosure system front orientation Figure 4 2U24 enclosure system rear orientation The 2U24 controller enclosure is equipped with dual controllers 4 port SAS model shown Storage system hardware 9 ...

Page 10: ...ed with dual controllers 4 port FC iSCSI model shown Attach or remove the 2U enclosure front bezel The 2U12 controller enclosure in Figure 7 Attaching or removing the 2U enclosure front bezel is equipped with 2 controllers 4 port FC ISCSI model shown Figure 7 Attaching or removing the 2U enclosure front bezel 10 Storage system hardware ...

Page 11: ...e 3 5U84 enclosure variants NOTE The 2U and 5U core products including key components and CRUs are described herein Although many CRUs differ between the form factors the IOMs are common to 2U12 2U24 and 5U84 chassis The IOMs are introduced in 2U enclosure core product and cross referenced from 5U84 enclosure core product 2U12 2U12 enclosures consist of 12 x LFF Large Form Factor disk drives and 1...

Page 12: ...Ms2 IOMs3 ME4084 12 Gb s direct dock SFF SAS 2 5 2 ME484 12 Gb s direct dock SFF SAS 2 5 2 1 Redundant PCMs must be compatible modules of the same type both AC 2 The fan control module FCM is a separate CRU not integrated into a PCM 3 Supported controller module IOMs include 4 port FC iSCSI 4 port HD mini SAS and 4 port iSCSI 10Gbase T Supported expansion module IOMs are used in expansion enclosur...

Page 13: ...le as CRUs The ME4 Series RBODs use 4 port controller modules These RBODs support the ME412 ME424 ME484 EBODs for optionally adding storage Figure 10 2U controller enclosure rear panel components 4 port FC iSCSI 1 Power cooling module slot 0 2 Power cooling module slot 1 3 Controller module slot A 4 Controller module slot B Figure 11 2U controller enclosure rear panel components 4 port iSCSI 10Gba...

Page 14: ...t is shown in closed locked position The diagrams below identify ports See Figure 31 LEDs ME4 Series Storage System FC iSCSI controller modules FC and 10GbE SFPs for LED identification These diagrams also show proper orientation for IOM insertion into slots located on the 5U84 enclosure rear panel CNC host interface ports that can be configured with 16Gb s FC SFPs or 10 GbE iSCSI SFPs Figure 14 4 ...

Page 15: ...pported expansion enclosures for adding storage Ports A B C ship configured with 12 Gb s HD mini SAS SFF 8644 external connectors Figure 17 Expansion module detail ME412 ME424 ME484 1 Serial port 2 SAS expansion ports 3 Disabled SAS expansion port B 4 Disabled Ethernet port NOTE RBOD EBOD configurations When the expansion module shown in Figure 17 Expansion module detail ME412 ME424 ME484 is used ...

Page 16: ...vior see 2U enclosure LEDs 5U84 enclosure core product Figure 19 5U84 enclosure front panel components and Figure 20 5U84 enclosure system plan view of drawer accessed from front panel show component locations together with CRU slot indexing relative to the 5U84 enclosure front panel with drawers and the rear panel The 5U84 supports up to 84 DDIC modules populated within two drawers 42 DDICs per d...

Page 17: ...m front panelfor 5U84 LFF disks DDIC LED behavior Figure 20 5U84 enclosure system plan view of drawer accessed from front panel 1 Drawer front panel shown as an edge in plan view 2 Direction into the enclosure drawer slot slot 0 or 1 5U84 enclosure rear panel Numeric designators on PSUs Power Supply Units and FCMs Fan Control Modules and alphabetic designators on IOMs indicate slot sequencing for ...

Page 18: ... FCM slot 0 4 FCM slot 1 5 FCM slot 2 6 FCM slot 3 7 FCM slot 4 8 PSU slot 0 9 PSU slot 1 Figure 22 5U84 controller enclosure rear panel components 4 port SAS 1 Controller module slot A 2 Controller module slot B 3 FCM slot 0 4 FCM slot 1 5 FCM slot 2 6 FCM slot 3 7 FCM slot 4 8 PSU slot 0 9 PSU slot 1 18 Storage system hardware ...

Page 19: ...panel components 1 Controller module slot A 2 Controller module slot B 3 FCM slot 0 4 FCM slot 1 5 FCM slot 2 6 FCM slot 3 7 FCM slot 4 8 PSU slot 0 9 PSU slot 1 NOTE 5U84 controller enclosures support dual controller only If a partner controller fails the array will fail over and run on a single controller until the redundancy is restored Each IOM slot must be occupied to ensure sufficient airflo...

Page 20: ...LED Amber blinking amber 5 Power OK LED Green 6 Power connect 7 Power switch LED behavior If any of the PSU LEDs are illuminated amber a module fault condition or failure has occurred For a detailed description of PSU LEDs see Table 16 FCM LED descriptions The 5U84 enclosures use separate CRU modules for power supply and cooling circulation respectively Figure 25 Power supply unit PSU shows the po...

Page 21: ...rawers can be opened and closed Each drawer provides access to 42 slots for Disk Drive in Carrier DDIC modules DDICs are top mounted into the drawers as shown in Figure 20 5U84 enclosure system plan view of drawer accessed from front panel The front of the enclosure also provides enclosure status LEDs and drawer status activity LEDs The rear of the enclosure provides access to rear panel CRUs two ...

Page 22: ...Anti tamper lock 4 Sideplane OK Power Good 5 Drawer fault 6 Logical fault 7 Cable fault 8 Drawer activity 9 Drawer pull handle NOTE This figure shows symmetrical drawer bezel details The callouts provided on the right side detail also pertain to the left side detail For descriptions of drawer LED behavior see Table 18 Drawer LED descriptions Operator s Ops panel LEDs Each ME4 Series enclosure feat...

Page 23: ...wer LED green LED displays green when system power is available LED is off when system is not operating Status Health LED blue amber LED illuminates constant blue when the system is powered on and functioning normally LED blinks blue when enclosure management is busy for example when booting or performing a firmware update LEDs helps you identify which component is causing the fault LED illuminate...

Page 24: ...tatus 1 Unit Identification Display UID Green seven segment display enclosure sequence 2 System Power On Standby Constant green positive indication Constant amber system in standby not operational 3 Module Fault Constant or blinking amber fault present 4 Logical Status Constant or blinking amber fault present 5 Top Drawer Fault Constant or blinking amber fault present in drive cable or sideplane 6...

Page 25: ...ation shows a 4 port FC iSCSI controller module aligned for use in the top IOM slot located on the 2U enclosure rear panel The controller module is also properly aligned for use in either IOM slot located on the 5U84 enclosure rear panel Figure 30 Controller module rear orientation Each controller module maintains VPD Vital Product Data in EEPROM devices In a dual controller system controller modu...

Page 26: ...n The port is connected and the link is up Blinking green The link has I O or replication activity 3 OK Green The controller is operating normally Blinking green System is booting Off The controller module is not OK or is powered off 4 Fault Off The controller is operating normally Amber A fault has been detected or a service action is required Blinking amber Hardware controlled power up or a cach...

Page 27: ...gotiate its link speed 2 When in 10 GbE iSCSI mode the SFPs must be a qualified 10 GbE iSCSI optic option 3 When powering up and booting iSCSI LEDs are on blinking momentarily then they switch to the mode of operation 4 Cache Status LED supports power on behavior and operational cache status behavior See also Table 9 Cache Status LED power on behavior 5 When port is down both LEDs are off Figure 3...

Page 28: ...o unwritten data This is an occasional condition that occurs while the system is booting Blinking green A CompactFlash flush or cache self refresh is in progress indicating cache activity 8 Network Port Activity Status4 Off The Ethernet link is not established or the link is down Green The Ethernet link is up applies to all negotiated link speeds 9 Network Port Link Speed4 Off Link is up at 10 100...

Page 29: ...data is at risk or that any action is necessary Off In a working controller cache is clean contains no unwritten data This is an occasional condition that occurs while the system is booting Blinking green A CompactFlash flush or cache self refresh is in progress indicating cache activity See also Table 9 Cache Status LED power on behavior 7 Network Port Activity Status4 Off The Ethernet link is no...

Page 30: ...y slowly the cache is in a self refresh mode In self refresh mode if primary power is restored before the backup power is depleted 3 30 minutes depending on various factors the system boots finds data preserved in cache and writes it to disk This means the system can be operational within 30 seconds and before the typical host I O time out of 60 seconds at which point system failure would cause ho...

Page 31: ... Supercapacitor pack To protect controller module cache in case of power failure each controller enclosure model is equipped with supercapacitor technology in conjunction with CompactFlash memory built into each controller module to provide extended cache memory backup time The supercapacitor pack provides energy for backing up unwritten data in the write cache to the CompactFlash in the event of ...

Page 32: ... problem persists replace the controller module Yes at a strobe 1 10 rate 1 Hz and the controller does not boot You may need to replace the controller module Yes at a strobe 1 10 rate 1 Hz and the controller boots The system is flushing data to CompactFlash If the problem persists replace the controller module Yes at a blink 1 1 rate 2 Hz and the controller does not boot You may need to replace th...

Page 33: ...wer cooling and drive systems Management interfaces allow for provisioning monitoring and managing the storage system NOTE See Fault isolation methodology when conducting system diagnostics LEDs LED colors are used consistently throughout the enclosure and its components for indicating status Green good or positive indication Blinking green amber non critical condition Amber critical fault Blue Co...

Page 34: ...y SBB module fault On On X X No module LEDs Enclosure logical fault On Blink X X Module status LED on SBB module Unknown invalid or mixed SBB module type installed I2C bus failure inter SBB communications EBOD VPD configuration error On Blink X X PCM fault LEDs fan fault LEDs Unknown invalid or mixed PCM type installed or I2C bus failure PCM communications X Blink Enclosure identification or inval...

Page 35: ...sed in 2U enclosures 1 Disk Activity LED 2 Disk Fault LED 3 Disk Fault LED 4 Disk Activity LED Table 13 Drive carrier LEDs Activity LED Green Fault LED Amber Status condition Off Off Off disk module enclosure Off Off Not present Blink off with activity Blinking 1s on 1s off Identify 1 down Blink with activity 2 down Off On Drive link PHY lane down On On Fault leftover failed locked out Blink off w...

Page 36: ...n module detail ME412 ME424 ME484 LED behaviors for expansion enclosures are described in For actions pertaining to Table 9 Cache Status LED power on behavior or Table 14 Expansion module LED states see Actions Table 14 Expansion module LED states CRU OK Green CRU Fault Amber External host port activity Green Status On Off Controller module OK Off On Controller module fault see Replacing an IOM Of...

Page 37: ...y Off indicates the fan module has failed Follow the procedure in Replacing a Fan Controller Module Fan Fault Amber indicates the fan module has failed Follow the procedure in Replacing a Fan Controller Module Ops panel LEDs The Ops panel displays the aggregated status of all the modules Table 17 Ops panel LED descriptions LED Status description Unit ID display Usually shows the ID number for the ...

Page 38: ...he problem Logical Fault Amber solid indicates a disk fault Amber blinking indicates that one or more storage systems are in an impacted state Cable Fault Amber indicates the cabling between the drawer and the back of the enclosure has failed Contact your service provider to resolve the problem Activity Bar Graph Displays the amount of data I O from zero segments lit no I O to all six segments lit...

Page 39: ... the procedure in Replacing a DDIC IOM LEDs NOTE IOM CRUs are common to the 2U and 5U84 enclosures For information about controller module LEDs see 12 Gb s controller module LEDs For information about expansion module LEDs see Expansion module LEDs Troubleshooting 2U enclosures The following sections describe common problems that can occur with your enclosure system and some possible solutions For...

Page 40: ...LED is illuminated on PCM2 Fan failure Replace PCM 1 See Figure 28 LEDs Ops panel 2U enclosure front panel for visual reference of Ops panel LEDs 2 See Table 11 PCM LED states for visual reference of PCM LEDs Thermal monitoring and control The storage enclosure system uses extensive thermal monitoring and takes a number of actions to ensure component temperatures are kept low and to also minimize ...

Page 41: ...ictions at either the front or back of the enclosure A minimum gap of 25 mm 1 at the front and 50 mm 2 at the rear is recommended 3 Check for restrictions due to dust build up Clean as appropriate 4 Check for excessive re circulation of heated air from rear to front Use of the enclosure in a fully enclosed rack is not recommended 5 If possible shut down the enclosure and investigate the problem be...

Page 42: ...asic methodology used to locate faults within a storage system and to identify the pertinent CRUs affected Use the ME Storage Manager to configure and provision the system upon completing the hardware installation As part of this process configure and enable event notification so the system will notify you when a problem occurs that is at or above the configured severity see the topic about config...

Page 43: ... problem the system health will be Degraded Fault or Unknown and those components will be listed as Unhealthy Components Follow the recommended actions in the component Health Recommendation field to resolve the problem Monitor event notification With event notification configured and enabled you can view event logs to monitor the health of the system and its components If a message directs you to...

Page 44: ...rect the problem as soon as possible Warning A problem occurred that may affect system stability but not data integrity Evaluate the problem and correct it if necessary Informational A configuration or state change occurred or a problem occurred that the system corrected No immediate action is required The event logs record all system events It is very important to review the logs not only to iden...

Page 45: ...OTE The reordering enclosure IDs action only applies to dual controller mode If only one controller is available due to either single controller configuration or controller failure a manual rescan will not reorder the drive enclosure IDs Temperature sensors Temperature sensors throughout the enclosure and its components monitor the thermal health of the storage system Exceeding the limits of criti...

Page 46: ...their containers Avoid touching pins leads or circuitry Always be properly grounded when touching a static sensitive component or assembly Remove clutter plastic vinyl foam from the static protected workstation Grounding methods to prevent electrostatic discharge Several methods are used for grounding Adhere to the following precautions when handling or installing electrostatic sensitive parts CAU...

Page 47: ...Storage Manager or CLI to change the PFU setting NOTE See the topic about updating firmware in the Dell EMC ME4 Series Storage System Administrator s Guide before performing a firmware update The ME Storage Manager and CLI provide an option for enabling or disabling PFU for the partner controller as described in the Dell EMC ME4 Series Storage System Administrator s Guide To enable or disable the ...

Page 48: ...e that contains the controller module to remove by running the command set led enclosure 0 on The Display LED on the Ops panel located on the enclosure left ear will be blinking green when theset led enclosure 0 on command is invoked NOTE See the Dell EMC ME4 Series Storage System CLI Guide for additional information Verifying component failure Select from the following methods to verify component...

Page 49: ...support same type or mixed type SFPs in combination 4 This model uses SFF 8644 connectors and qualified cable options for host connection 5 This model supports 10Gb s or 1Gb s speeds used for iSCSI host connection 2U enclosures can be configured as single IOM with an IOM blank or dual IOM Table 26 High density ME4 Series enclosure models High density 4 port controller enclosure matrix 5U ME4 Serie...

Page 50: ...k as shown in Figure 7 Attaching or removing the 2U enclosure front bezel To remove the bezel from the 2U enclosure reverse the order of the preceding steps NOTE See Enclosure variants for details about various enclosure options CRU replacement for 2U chassis NOTE Unless noted otherwise within a passage pertaining to a particular CRU the replacement procedure should be completed within two minutes...

Page 51: ...mini SAS SFF 8644 to HD mini SAS SFF 8644 Cable kit Cable package 3 5mm cable CLI 11 AC power cord compatible with AC PCM ME4 Series models support FC and iSCSI SFPs used in combination NOTE Figure 38 SBB IOMs used in ME4 Series storage enclosures shows pictorial representations of controller modules and expansion modules used in 2U 12 drive ME4 Series enclosures Modules are shown oriented for ins...

Page 52: ...es 4 port 10Gbase T 10 Gb s or 1 Gb s 8 Small form pluggable SFP connectors a SFP transceiver 16 Gb s FC and 10 GbE iSCSI 9 Rail kit variable attachment options a 2U rack mount kit shelf short all HW 10 Cable kit Cable package standard HD mini SAS SFF 8644 to HD mini SAS SFF 8644 Cable kit Cable package 3 5mm CLI 11 AC power cable compatible with AC PCM ME4 Series models support FC and iSCSI SFPs ...

Page 53: ...sts of a disk in a carrier or sled Disk drive modules are hot swappable which means they can be replaced without halting I O to the disk groups or powering off the enclosure The new disk must be of the same type and possess capacity equal to or greater than the one being replaced Otherwise the storage system cannot use the new disk to reconstruct the disk group Module removal and replacement 53 ...

Page 54: ...orage System Administrator s Guide or Dell EMC ME4 Series Storage System CLI Guide for more information Before you begin any of the procedures see the ESD precautions NOTE The illustrations in Figure 39 Removing a LFF disk drive module 1 of 2 and Figure 40 Removing a LFF disk drive module 2 of 2 show disk module replacement within the drive slots as you view the enclosure front panel Replacing a L...

Page 55: ...e slots Installing a LFF drive carrier module 1 Release the drive carrier handle by depressing the latch in the handle Figure 41 LFF drive carrier module in open position 2 Insert the drive carrier module into the enclosure Make sure that the drive carrier is positioned such that the top of the disk is facing up and the handle opens from the left as you face the enclosure front panel Module remova...

Page 56: ...disk is OK Verify that the green Disk Activity LED is on blinking per Disk drive carrier module LEDs Verify that Ops panel states show no amber module faults Replacing a SFF drive carrier module The removal replacement procedure for SFF drive carrier modules is basically the same as for LFF models except that the SFF carriers are mounted vertically Removing a SFF drive carrier module The removal r...

Page 57: ...k drive carrier modules must be fitted to all unused drive slots Installing a SFF drive carrier module 1 Release the carrier handle by pressing the latch in the handle downwards and opening the hinged handle as shown in Figure 46 SFF drive carrier module in open position Insert the carrier into the enclosure in a vertical position NOTE Make sure the carrier is positioned such that the disk is on i...

Page 58: ...e bottom of the carrier Figure 47 Installing a SFF drive carrier module 1 of 2 3 Cam the carrier home The camming lever on the carrier will engage into a slot in the enclosure Continue to push firmly until the handle fully engages You should hear a click as the latch handle engages and holds the handle closed 58 Module removal and replacement ...

Page 59: ...rive slot followed by pushing it securely into place CAUTION To ensure optimal cooling throughout the enclosure blank drive carrier modules must be fitted to all unused drive slots in 2U enclosures Replacing a drive in a drive carrier NOTE Replacement drives do not ship with a new drive carrier The carrier needs to be transferred from the failed drive to the replacement drive Removing a drive from...

Page 60: ...Figure 49 Removing and installing a drive into a 2 5 inch drive carrier 1 drive carrier 2 l drive 3 screws 4 60 Module removal and replacement ...

Page 61: ...ligned correctly the back of the drive is flush with the back of the drive carrier 3 Attach the screws to secure the drive to the drive carrier Replacing a DDIC This procedure describes removal and installation of a Disk Drive in Carrier DDIC Illustrations in the DDIC replacement procedures show drawer centric views of the enclosure and DDICs are properly aligned for insertion into the disk slots ...

Page 62: ...is lit amber 2 Open the relevant drawer 3 Locate the DDIC to be replaced using any of the methods listed in step 1 above 4 On the face of the DDIC push the latch button in the direction shown in Removing a DDIC to unlock the DDIC from its seated position in the slot Figure 51 Removing a DDIC 1 of 2 5 Pull the DDIC upwards and out of the drawer slot Figure 52 Removing a DDIC 2 of 2 62 Module remova...

Page 63: ...the hard drive into the carrier Replacement drives are not shipped with new disk drive carrier The replacement drive must be placed into the carrier that held the failed drive 1 2 Module removal and replacement 63 ...

Page 64: ...3 4 5 64 Module removal and replacement ...

Page 65: ...y fill empty rows The installation pattern providing the best airflow and thermal performance is described in this section The drawers must be populated with DDICs in whole rows Each drawer contains 3 rows of 14 DDICs Rules and assumptions are listed The minimum number of disks in an enclosure is 14 The number of rows must not differ by more than 1 between the top and bottom drawers The rows shoul...

Page 66: ... In this case the second module takes over operation of the storage system until you install the new module You might need to replace a controller module or an expansion module when The Fault LED is illuminated Health status reporting in the ME Storage Managerindicates a problem with the module Events in theME Storage Manager indicate a problem with the module Troubleshooting indicates a problem w...

Page 67: ...ard installed removed 2 IOM viewed from back midplane facing orientation Confirm that transporting CompactFlash is the appropriate action to take as discussed in the ME4 Series Storage System Deployment Guide Refer to Figure 54 CompactFlash memory card location when performing the step procedure below Before you begin any procedure see ESD precautions 1 Locate the CompactFlash memory card at the m...

Page 68: ...Verify that you have successfully shut down the controller module using the ME Storage Manager or the CLI 2 Locate the enclosure whose UID LED Ops panel on enclosure front left ear is illuminated and within the enclosure locate the controller module whose OK to Remove LED is blue rear panel 3 Disconnect any cables connected to the controller Label each cable to facilitate re connection to the repl...

Page 69: ...nnection to a common ground earth point NOTE When performing the following procedure See Figure 56 Removing an IOM while ignoring the directional arrow For installation the IOM will travel in the opposite direction relative to the arrow shown 1 Examine the IOM for damage and closely inspect the interface connector Do not install if the pins are bent 2 Grasp the IOM using both hands and with the la...

Page 70: ... when the system is in operation Illustrations in the controller module replacement procedures show rear panel views of the enclosure and IOMs are properly aligned for insertion into the IOM slots 1 Locate the expansion enclosure containing the expansion module that must be replaced On the enclosure front panel check for an amber fault condition on the enclosure s Ops panel left ear On the enclosu...

Page 71: ...face plate geometry 6 Place both hands on the IOM body and pull it straight out of the enclosure such that the controller module remains level during removal Replacing a power supply unit PSU Illustrations in the power supply unit module replacement procedures show rear panel views of the enclosure and PSUs are properly aligned for insertion into the PSU slots Before you begin any procedure see ES...

Page 72: ...panel components verify the Power OK LED is lit then switch off the faulty PSU and disconnect the power supply cable 4 If replacing a single PSU via hot swap proceed to step 6 5 If replacing both PSUs verify that the enclosure was shut down using management interfaces and that the enclosure is powered off 6 Verify that the power cable is disconnected 7 Refer to Figure 59 Removing a PSU 1 of 2 when...

Page 73: ...oth PSUs repeat steps 1 through 6 Replacing a fan cooling module FCM Illustrations in the fan cooling module replacement procedures show rear panel views of the enclosure and FCMs are properly aligned for insertion into the FCM slots See CAUTION bullets regarding electrostatic discharge and anti static protection Removing an FCM CAUTION Removing an FCM significantly disrupts the enclosure s airflo...

Page 74: ...e latch clicks home The enclosure should automatically detect and make use of the new module 4 Wait for the Module OK LED on the newly inserted FCM to illuminate green See Figure 26 Fan cooling module FCM If the Module OK LED does not illuminate verify that the FCM is properly inserted and seated in the slot If properly seated the module may be defective Check the ME Storage Manager and the event ...

Page 75: ... until you have received the replacement module It is important that all slots are filled when the enclosure is in operation Before removing the PCM disconnect the power from the PCM by either the mains switch where present or by physically removing the power source in order to ensure your system has warning of imminent power shutdown Ensure that you correctly identify the faulty PCM before beginn...

Page 76: ...repeat steps 5 through 8 being mindful of the illustrations Note Installing a PCM Refer to Figure 63 Removing a PCM 1 of 2 and Figure 64 Removing a PCM 2 of 2 when performing this procedure but ignore the directional arrows since you will insert the module into the slot rather than extract NOTE Handle the PCM carefully and avoid damaging the connector pins Do not install the PCM if any pins appear...

Page 77: ...upply to the On position in the following sequence a Expansion enclosures first b Controller enclosure next c Data host last if powered down for maintenance purposes Allow time for each device to complete its Power On Self Tests POST before proceeding 2 Perform a rescan to force a fresh discovery of all expansion enclosures connected to the controller enclosure This step clears the internal SAS la...

Page 78: ...he system and its components If a message recommends that you check whether an event has been logged or to view information about an event in the log you can do so using the ME Storage Manager or the CLI Using the ME Storage Manager view the event log and then hover over the event message to see detail about that event Using the CLI run the show events detail command with additional parameters to ...

Page 79: ...installing the replacement enclosure in its rack location NOTE See the ME4 Series Storage System Deployment Guide when installing the enclosure into the rack Install the enclosure into the rack before re inserting the disk drive modules Two people are required to move the enclosure 1 Support the bottom of the enclosure chassis Carefully lift align the chassis and while maintaining a level position...

Page 80: ...tail for technical support Error codes and reason codes are outside the scope of this guide Topics Event descriptions Events Using the trust command Events sent as indications to SMI S clients Event descriptions This section describes event messages that may be reported during system operation and specifies any actions recommended in response to an event This section describes all event codes that...

Page 81: ...r RAID levels The disk group cannot be reconstructed This is not a normal status for a disk group unless you have done a manual dequarantine For virtual disk groups in the Performance tier when a disk failure occurs the data in the disk group that uses that disk will be automatically migrated to another available disk group if space is available so no user data is lost Data will be lost only if mu...

Page 82: ...TOVR leftover An SSD that was part of a disk group has reported that it has no life remaining The indicated disk in the indicated disk group failed and the disk group probably has a status of FTDN fault tolerant with a down disk CRIT critical or OFFL offline depending on the RAID level and the number of disks that failed If a spare is present and the disk group is not offline the controller automa...

Page 83: ... of the same type and the same or greater capacity For continued optimum I O performance the replacement disk should have performance that is the same as or better than the one it is replacing 9 Info The indicated spare disk has been used in the indicated disk group to bring it back to a fault tolerant status Disk group reconstruction starts automatically This event indicates that a problem report...

Page 84: ... at risk If it is FTOL then replace the indicated disk If more than one disk in the same disk group has logged a SMART event back up the data and replace each disk one at a time In virtual storage it may be possible to remove the affected disk group which will drain its data to another disk group and then re add the disk group Info Disk group verification failed immediately was aborted by a user o...

Page 85: ...he storage system s fans are running Check that the ambient temperature is not too warm The controller enclosure operating range is 5 C to 35 C 41 F to 95 F The expansion enclosure operating range is 5 C to 40 C 41 F to 104 F Check for any obstructions to the airflow Check that there is a module or blank plate in every module slot in the enclosure If none of the above explanations apply replace th...

Page 86: ... Recommended actions No action is required 50 Error A correctable ECC error occurred in cache memory more than 10 times during a 24 hour period indicating a probable hardware fault Recommended actions Replace the controller module that logged this event Warning A correctable ECC error occurred in cache memory This event is logged with Warning severity to provide information that may be useful to t...

Page 87: ...blems especially a cooling problem or a faulty power supply If the disk is in a disk group that uses a non fault tolerant RAID level RAID 0 or non RAID copy the data to a different disk group and replace the faulty disk If the disk is in a disk group that uses a fault tolerant RAID level check the current state of the disk group If it is not FTOL then back up the data as data may be at risk If it ...

Page 88: ...quired View other logged events to determine other action to take 62 Warning The indicated dedicated spare disk or global spare disk has failed Recommended actions Replace the disk with one of the same type SSD enterprise SAS or midline SAS and the same or greater capacity For continued optimum I O performance the replacement disk should have performance that is the same as or better than the one ...

Page 89: ...nitialized as a result of power up or failover Recommended actions No action is required 78 Warning The controller could not use an assigned spare for a disk group because the spare s capacity is too small This occurs when a disk in the disk group fails there is no dedicated spare available and all global spares are too small or if the dynamic spares feature is enabled all global spares and availa...

Page 90: ... CRC The local flash configuration will be used instead Recommended actions Restore the default configuration by using the restore defaults command as described in the CLI Reference Guide 88 Warning The mirrored configuration retrieved by this controller from the partner controller is corrupt The local flash configuration will be used instead Recommended actions Restore the default configuration b...

Page 91: ...shut down the Storage Controller and then restart it 103 Info The name has been changed for the indicated volume Recommended actions No action is required 104 Info The size has been changed for the indicated volume Recommended actions No action is required 105 Info The default LUN logical unit number has been changed for the indicated volume Recommended actions No action is required 106 Info The i...

Page 92: ...he link for the indicated disk channel port is down Note that events 114 and 211 are logged whenever a user requested rescan occurs and do not indicate an error Recommended actions Look for corresponding event 211 and monitor excessive transitions indicating disk problems If more than 8 transitions occur per hour see Resources for diagnosing and resolving problems 116 Error After a recovery the pa...

Page 93: ...the address has not changed Recommended actions No action is required 152 Warning The Management Controller MC has not communicated with the Storage Controller SC for 15 minutes and may have failed This event is initially logged as Informational severity If the problem persists this event is logged a second time as Warning severity and the MC is automatically restarted in an attempt to recover fro...

Page 94: ...error recovery Recommended actions See the recommended actions for event 152 which is logged at approximately the same time Info The Management Controller MC has been restarted from the Storage Controller SC in a normal case such as when initiated by a user Recommended actions No action is required 157 Error A failure occurred when trying to write to the Storage Controller SC flash chip Recommende...

Page 95: ...from this situation by generating a WWN based on its own serial number for the other controller module Recommended actions If the controller module was replaced or someone reprogrammed its FRU ID data verify the WWN information for the other controller module on all hosts that access it 166 Warning The RAID metadata level of the two controllers does not match which indicates that the controllers h...

Page 96: ...all disks and I O modules in every enclosure are fully seated in their slots and that their latches are locked Reseat any disks in the quarantined disk group that are reported as missing or failed in the user interface Do NOT remove and reinsert disks that are not members of the disk group that is quarantined Check that the SAS expansion cables are connected between each enclosure in the storage s...

Page 97: ...replace the controller module that logged this event 176 Info The error statistics for the indicated disk have been reset Recommended actions No action is required 177 Info Cache data was purged for the indicated missing volume Recommended actions No action is required 181 Info One or more configuration parameters associated with the Management Controller MC have been changed such as configuration...

Page 98: ...red Recommended actions If event 191 is not logged within 5 minutes after this event the supercapacitor has probably failed and the controller module should be replaced 191 Info The auto write through trigger event that caused event 190 to be logged has been resolved Recommended actions No action is required 192 Info The controller module s temperature has exceeded the normal operating range This ...

Page 99: ...gged at approximately the same time as this event such as event 168 See the recommended actions for that event 199 Info The auto write through trigger event that caused event 198 to be logged has been resolved Recommended actions No action is required 200 Info A fan has failed This indicates that a trigger condition has occurred that has caused the auto write through feature to disable write back ...

Page 100: ...g up Recommended actions Restart the Storage Controller that logged this event If this event is logged again shut down the Storage Controller and replace the controller module Info The system has come up normally and the NV device is in a normal expected state This event will be logged as an Error or Warning event if any user action is required Recommended actions No action is required 205 Info Th...

Page 101: ...If it is not FTOL then back up the data as data may be at risk If it is FTOL then replace the indicated disk If more than one disk in the same disk group has logged a SMART event back up the data and replace each disk one at a time In virtual storage it may be possible to remove the affected disk group which will drain its data to another disk group and then re add the disk group Info Disk group s...

Page 102: ...y has changed The number of SAS expanders has increased or decreased The message specifies the number of elements in the SAS map the number of expanders detected the number of expansion levels on the native local controller side and on the partner partner controller side and the number of device PHYs Recommended actions No action is required 216 Info An uncommitted snapshot has been deleted Remova...

Page 103: ...rror A firmware update attempt was aborted because of either general system health issue s or unwritable cache data that would be lost during a firmware update Recommended actions Resolve before retrying a firmware update For health issues issue the CLI show system command to determine the specific health issue s For unwritten cache data use the CLI show unwritable cache command Info A firmware up...

Page 104: ...ted This happens when a controller module is moved from one enclosure to another and the controller detects that the midplane WWN is different from the WWN it has in its local flash Recommended actions No action is required 245 Info An existing disk channel target device is not responding to SCSI discovery commands Recommended actions Check the indicated target device for bad hardware or bad cable...

Page 105: ...ed source volume Do not mount either volume until the copy is complete as indicated by event 268 Recommended actions No action is required 253 Info A license was uninstalled Recommended actions No action is required 255 Info The PBCs across controllers do not match as PBC from controller A and PBC from controller B are from different vendors This may limit the available configurations Recommended ...

Page 106: ...firmware upgrade attempt aborted because of either general system health issue s or unwritable cache data that would be lost during a firmware update Recommended actions Resolve before retrying a firmware update For health issues issue the CLI show system command to determine the specific health issue s For unwritten cache data use the CLI show unwritable cache command Info A partner firmware upda...

Page 107: ...r events that may indicate faulty hardware such as an event indicating an over temperature condition or power supply fault and follow the recommended actions for those events If the problem persists the fault may be in the enclosure midplane Replace the chassis FRU If any of the reasons listed above is indicated and this event is logged shortly after a failover user initiated rescan or restart do ...

Page 108: ...No action is required 303 Info DDR memory clock frequency has changed to low Recommended actions No action is required 304 Info The controller has detected I2C errors that may have been fully recovered Recommended actions No action is required 305 Info A serial number in Storage Controller SC flash memory was found to be invalid when compared to the serial number in the controller module or midpla...

Page 109: ...n when processing completes for other EMPs in the system Recommended actions No action is required 311 Info This event is logged when a user initiates a ping of a host using the iSCSI interface Recommended actions If the ping operation failed check connectivity between the storage system and the remote host 312 Info This event is used by email messages and SNMP traps when testing notification sett...

Page 110: ...n older Storage Controller SC version than the version used to create the CHAP authentication database in the controller s flash memory The CHAP database cannot be read or updated However new records can be added which will replace the existing database with a new database using the latest known version number Recommended actions Upgrade the controller firmware to a version whose SC is compatible ...

Page 111: ...see Resources for diagnosing and resolving problems Warning Some but not all PHYs are down for the indicated disk channel Recommended actions Monitor the log to see whether the condition persists If event 359 has been logged for the indicated channel indicating the condition no longer exists no further action is required If the condition persists this indicates a hardware problem in one of the con...

Page 112: ...ler SC and MC Recommended actions No action is required 364 Info The broadcast bus is running as generation 1 Recommended actions No action is required 365 Error An uncorrectable ECC error occurred in Storage Controller CPU memory more than once indicating a probable hardware fault Recommended actions Replace the controller module that logged this event Warning An uncorrectable ECC error occurred ...

Page 113: ...ould have the same or better performance Confirm that all failed disks have been replaced and that there are sufficient spare disks configured for future use 442 Warning Power On Self Test POST diagnostics detected a hardware error in a UART chip Recommended actions Replace the controller module that logged this event 443 Error The firmware for the indicated enclosure is not supported in this conf...

Page 114: ...ercommitted Overcommitted means that the total committed size of all virtual volumes exceeds the physical space in the virtual pool If the storage usage drops below a threshold event 463 is logged Recommended actions You should immediately take steps to reduce storage usage or add capacity Warning The indicated virtual pool exceeded its high threshold for allocated pages and the virtual pool is ov...

Page 115: ...the indicated controller host port Recommended actions No action is required 466 Info The indicated virtual pool was deleted Recommended actions No action is required 467 Info Addition of the indicated disk group completed successfully Recommended actions No action is required 468 Info FPGA temperature has returned to the normal operating range and the speed of buses connecting the FPGA to downstr...

Page 116: ...using more than its threshold percentage of its virtual pool This event indicates that the condition reported by event 473 is no longer applicable Recommended actions No action is required 476 Warning The CPU temperature exceeded the safe range so the CPU entered its self protection state IOPS were reduced The storage system is operational but I O performance is reduced Recommended actions Check t...

Page 117: ...481 Error The periodic monitor of CompactFlash hardware detected an error The controller was put in write through mode which reduces I O performance Recommended actions Restart the Storage Controller that logged this event If this event is logged again shut down the Storage Controller and replace the CompactFlash If this event is logged again shut down the Storage Controller and replace the contro...

Page 118: ...module in its place To avoid having this problem occur in the future always shut down the Storage Controller in a controller module before removing it This situation may also be caused by failure of the CompactFlash card as indicated by event 204 Recommended actions If event 204 is logged follow the recommended actions for event 204 If event 204 is NOT logged perform the following recommended acti...

Page 119: ... Creation of a volume group started Recommended actions No action is required 492 Info The volumes in a volume group were ungrouped Recommended actions No action is required 493 Info A volume group was modified Recommended actions No action is required 495 Warning The algorithm for best path routing selected the alternate path to the indicated disk because the I O error count on the primary path r...

Page 120: ...e disk with a disk that is supported by your system vendor 501 Error The enclosure hardware is not compatible with the I O module firmware The Expander Controller firmware detected an incompatibility with the midplane type As a preventive measure disk access was disabled in the enclosure Recommended actions Update the storage system to the latest firmware 502 Warning The indicated SSD has 5 or les...

Page 121: ...terprise SAS or midline SAS and the same or greater capacity For continued optimum I O performance the replacement disk should have performance that is the same as or better than the one it is replacing 508 Error The indicated virtual pool went offline All of its volumes also went offline All data in the virtual pool has been lost This condition can be caused by corrupt or inaccessible virtual poo...

Page 122: ...estarted Recommended actions If the system is restarted and access to data is intended the lock key must be reinstated 515 Info An FDE disk was repurposed by a user The disk was reset to its original factory state Recommended actions No action is required 516 Error An FDE disk has been placed in the unavailable state The related event message 518 which indicates that a disk operation failed may pr...

Page 123: ...perature range Check the event log to determine if more than one disk has reported this event If multiple disks report this condition there could be a problem in the environment If one disk reports this condition there could be a problem in the environment or the disk has failed Recommended actions Check that the storage system s fans are running Check that the ambient temperature is not too warm ...

Page 124: ...rmware As a preventative measure the local Expander Controller EC is holding the partner Expander Controller EC in a reset loop Recommended actions Remove the partner controller module from the enclosure Boot the partner controller module in single controller mode in a separate enclosure without the controller module that reported this event Load the latest compatible bundle version If the version...

Page 125: ... controller module with a controller module that has the same host port configuration as the surviving controller module 548 Warning Disk group reconstruction failed When a disk fails reconstruction is performed using a spare disk In this case the reconstruction operation failed because unreadable data uncorrectable media error exists in at least one other disk in the disk group Because of this a ...

Page 126: ...ue the indicated PSU has probably failed and should be replaced If a PSU is running with corrupted firmware The indicated PSU has failed and should be replaced When the problem is resolved an event with the same code will be logged with Resolved severity Warning An EMP reported that a power supply unit PSU has been uninstalled Recommended actions Check that the indicated PSU is in the indicated en...

Page 127: ...ated FRU has failed and should be replaced When the problem is resolved an event with the same code will be logged with Resolved severity Resolved A SES alert for a fan in the indicated enclosure has been resolved Recommended actions No action is required 553 Error A temperature sensor reported an alert condition A temperature sensor is outside critical temperature threshold in the indicated FRU T...

Page 128: ...nclosure has been resolved Recommended actions No action is required 554 Error A voltage sensor reported an alert condition A voltage sensor is outside a critical voltage threshold in the indicated FRU A voltage sensor is not able to communicate with the EMP Recommended actions If a voltage sensor is outside a critical voltage threshold in the indicated FRU Check that all modules in the enclosure ...

Page 129: ... appropriate firmware that is compatible with the enclosure If this does not resolve the problem replace the partner controller module When the problem is resolved an event with the same code will be logged with Resolved severity Warning An expander in a controller module expansion module or drawer is mated but is not responding or an expander in an expansion module has been removed Recommended ac...

Page 130: ...ed remove and reinsert the indicated FRU If the indicated FRU is the enclosure set up a preventive maintenance window and power cycle the enclosure at that time If this does not resolve the issue the indicated FRU has probably failed and should be replaced If the current sensor is outside critical threshold values Check that all modules in the enclosure are fully seated in their slots and that the...

Page 131: ...nt sector format than the disk group This could result in degraded performance for some workloads Recommended actions No action is required 571 Error Allocated snapshot space exceeded the configured percentage limit of the virtual pool If the snapshot space limit policy is set to delete snapshots the system will begin to delete snapshots according to the snapshot retention priority setting until t...

Page 132: ...if their retention priority is set to never delete Snapshots must also be at the leaf end of a snapshot tree in order to be considered deletable This event is logged when no snapshots in the pool pass these constraints Recommended actions Manually delete snapshots to reduce allocated snapshot space 574 Info A peer connection was created Recommended actions No action is required 575 Info A peer con...

Page 133: ...as aborted Recommended actions No action is required 581 Warning A replication was suspended internally by the system The system will suspend the replication internally if it detects an error condition in the replication set and replications cannot continue for any reason This includes but is not limited to shutdown of the secondary system a loss of communication across the peer connection which m...

Page 134: ...fix data integrity issues For a fault tolerant disk group run either scrub disk groups for a virtual disk group or scrub vdisk with the fix parameter enabled for a linear disk group This step will make the parity consistent with the existing user data and is required to fix data integrity issues For a reconstructing disk group let reconstruction finish then run either scrub disk groups for a virtu...

Page 135: ...ose events But if the event indicates a failed disk and the recommended action is to replace the disk do NOT replace the disk at this time because it may be needed later for data recovery If the disk group is still quarantined after performing the above steps shut down both controllers and then power down the entire storage system Power it back up beginning with any disk enclosures expansion enclo...

Page 136: ...element report status information for both external and internal SAS port connectors Recommended actions No action is required 604 Warning A replication snapshot was attempted and failed A replication set has been configured to retain snapshots of the volume An error is possible if the snapshot fails Recommended actions Monitor the health of the local system the replication set the volume and the ...

Page 137: ...ck back end cabling and make sure that SAS cables are connected to the correct ports for the port specified Move the cable from the middle port of the IOM to the left or right port as appropriate 609 Error An alert condition was detected on a door lock element The door lock element reports status associated with the enclosure drawer The drawer has been reporting as open for a long period of time T...

Page 138: ...d actions No action is required 613 Error An alert condition was detected on an IOM Recommended actions Either install the indicated IOM or attempt to reseat it If this does not resolve the issue replace the IOM Warning An alert condition was detected on an IOM Recommended actions If uninstalled install the indicated IOM otherwise attempt to reseat it If this does not resolve the issue replace the...

Page 139: ...rust command should never be used The trust command can only be used if the disk group is in an Offline state If a single disk in a disk group has failed or been placed into a Leftover state due to errors reintegrating the disk into the same or a different disk group has the potential to cause data loss A disk that has failed or been placed into a Leftover state due to multiple errors should be re...

Page 140: ...ystem in your product s Storage Management Guide The event categories below pertain to FRU assemblies and certain FRU components FRU Event category Corresponding SMI S class Operation status values that would trigger alert conditions Controller DHS_Controller Down Not Installed OK Hard Disk Drive DHS_DiskDrive Unknown Missing Error Degraded OK Fan DHS_PSUFan Error Stopped OK Power Supply DHS_PSU U...

Page 141: ...device driver as described in Obtaining the software download Linux customers should prepare the USB port as described in Setting parameters for the device driver Figure 65 Connecting a USB cable to the CLI port 1 Skip this step if using the 3 5mm DB9 seral cable If using a mini USB cable enable the CLI port for subsequent communication Linux customers should enter the command syntax provided in S...

Page 142: ...age b Enter the default password manage If the default user or password or both have been changed for security reasons enter the secure login credentials instead of the defaults shown above Mini USB Device Connection Emulated serial port Once attached to the controller module the management computer should detect a new USB device Using the Emulated Serial Port interface the ME4 Series controller p...

Page 143: ...oduct and vendor identification information required for such setup is provided below USB identification code type Code USB Vendor ID 0x210c USB Product ID 0xa4a7 Microsoft Windows Microsoft Windows operating systems provide a USB serial port driver However the USB driver requires details for connecting to ME4 Series controller enclosures vendor provides a device driver for use in the Windows envi...

Page 144: ...ost and controller module for setting network port IP addresses To create a new connection or open an existing connection HyperTerminal 1 From the Windows Control Panel select Device Manager 2 Connect using the USB COM port and Detect Carrier Loss option Select Connect To Connect using pick a COM port from the list Select the Detect Carrier Loss check box The Device Manager page should show Ports ...

Page 145: ...rTerminal 1 From the Windows Control Panel select Device Manager 2 Connect using the USB COM port and Detect Carrier Loss option a Select Connect To Connect using pick a COM port from the list b Select the Detect Carrier Loss check box The Device Manager page should show Ports COM LPT with an entry entitled Disk Array USB Port COMn where n is your system s COM port number To restore a hung connect...

Page 146: ... mm 24 79 in NOTE The 2U24 enclosure uses 2 5 SFF disks The 2U12 enclosure uses 3 5 LFF disks Table 33 5U84 enclosure dimensions Specification Metric units Imperial units Overall enclosure height 2U 222 3 mm 3 46 in Width across mounting flange located on front of chassis 483 mm 19 01 in Width across body of enclosure 443 mm 17 44 in Depth from face of mounting flange to back of enclosure body 892...

Page 147: ...7 4 lb to the aggregate enclosure weight 5U84 rail kits add significantly more weight 3 Weights may vary due to different power supplies IOMs and differing calibrations between scales Weights may vary due to actual number and type of disk drives SAS or SSD and air management modules installed Environmental requirements Table 34 Ambient temperature and humidity Specification Temperature range Relat...

Page 148: ...4 decades per minute Acoustics Operating sound power 2U enclosures LWAd 6 6 Bels re 1 pW 23ºC 5U84 enclosures LWAd 8 0 Bels re 1 pW 23ºC Orientation and mounting 19 rack mount 2 EIA units 5 EIA units Rack rails To fit 800 mm depth racks compliant with the SSI server rack specification Rack characteristics Back pressure not exceeding 5Pa 0 5 mm H20 Power cooling module Specifications for the PCM ar...

Page 149: ...axial cooling fans with variable fan speed control Power supply unit Table 36 5U84 Power supply unit specifications Specification Measurement description Maximum output power 2 214 W maximum continuous output power at high line voltage Voltage 12 V at 183 A 2 196 W 5 V standby voltage at 2 7 A Voltage range 200 240 VAC rated Frequency 50 60 Hz Power factor correction 95 100 load Efficiency 82 10 l...

Page 150: ...ct the interference at his or her expense Properly shielded and grounded cables and connectors must be used in order to meet FCC emission limits The supplier is not responsible for any radio or television interference caused by using other than recommended cables and connectors or by unauthorized changes or modifications to this equipment Unauthorized changes or modifications could void the user s...

Page 151: ... 3 conductor 2 0M max length SJT or SVT 12 AWG minimum 3 conductor Plug AC source NEMA 5 15P grounding type attachment plug rated 120V 10A or IEC 320 C 14 250V 10A IEC 320 C 20 250V 20A or A suitable plug rated 250V 20A Socket IEC 320 C 13 250V 10A IEC 320 C 19 250V 20A 2 Europe and others General requirements Chassis form factor 2U12 2U24 5U84 Cable type Harmonized H05 WF 3G1 0 Harmonized H05 WF ...

Page 152: ...ions applicable to the handling of hazardous toxic electrical and electronic waste materials Contact your supplier for a copy of the Recycling Procedures applicable to your country NOTE Observe all applicable safety precautions detailed in the preceding chapters weight restrictions handling batteries and lasers and so on when dismantling and disposing of this equipment 152 Standards and regulation...

Search results

Summary of Contents for PowerVault ME484

Reviews:

Related manuals for PowerVault ME484

Brands by name

Popular brands

Dell EMC PowerVault ME484, Owner'S Manual

Search results

Summary of Contents for PowerVault ME484

Reviews:

Related manuals for PowerVault ME484

Brands by name

Popular brands