Owners Manual
Table Of Contents
- Dell EMC PowerVault ME4 Series Storage System Owner’s Manual
- Contents
- Storage system hardware
- Troubleshooting and problem solving
- Module removal and replacement
- ESD precautions
- Dealing with hardware faults
- Firmware updates
- Continuous operation during replacement
- Shutting down attached hosts
- Shutting down a controller module
- Verifying component failure
- Customer-replaceable units (CRUs)
- Attach or remove the front bezel of a 2U enclosure
- Replacing a drive carrier module in a 2U enclosure
- Replacing a DDIC in a 5U enclosure
- Replacing a controller module or IOM in a 2U or 5U enclosure
- Replacing a power supply unit (PSU) in a 5U enclosure
- Replacing a fan cooling module (FCM) in a 5U enclosure
- Replacing a power cooling module (PCM) in a 2U enclosure
- Completing the component installation process
- Verifying component operation
- Performing updates in PowerVault Manager after replacing an FC or SAS HBA
- Events and event messages
- Connecting to the CLI port using a serial cable
- Technical specifications
- Standards and regulations
Chapter 1: Storage system hardware............................................................................................. 5
Locate the service tag....................................................................................................................................................... 5
Enclosure configurations................................................................................................................................................... 5
Upgrading to dual-controller configuration............................................................................................................. 6
Removing the second controller................................................................................................................................ 6
Enclosure management...................................................................................................................................................... 7
Operation............................................................................................................................................................................... 7
Attach or remove the front bezel of a 2U enclosure............................................................................................ 9
Enclosure variants..............................................................................................................................................................10
2U enclosure core product............................................................................................................................................... 11
2U enclosure front panel.............................................................................................................................................11
2U enclosure rear panel.............................................................................................................................................. 12
5U84 enclosure core product......................................................................................................................................... 15
5U84 enclosure front panel....................................................................................................................................... 16
5U84 enclosure rear panel......................................................................................................................................... 16
5U84 enclosure chassis................................................................................................................................................... 20
5U84 enclosure drawers............................................................................................................................................20
Operator (Ops) panel LEDs............................................................................................................................................. 21
2U enclosure Ops panel.............................................................................................................................................. 21
5U enclosure Ops panel............................................................................................................................................. 22
Controller modules...................................................................................................................................................... 23
CompactFlash.................................................................................................................................................................... 28
Supercapacitor pack................................................................................................................................................... 28
Controller failure when a single-controller is operational........................................................................................ 29
Transporting cache..................................................................................................................................................... 29
Chapter 2: Troubleshooting and problem solving......................................................................... 30
Overview............................................................................................................................................................................. 30
Fault isolation methodology............................................................................................................................................ 30
Fault isolation methodology basic steps................................................................................................................ 30
Options available for performing basic steps....................................................................................................... 30
Performing basic steps............................................................................................................................................... 31
LEDs..................................................................................................................................................................................... 33
2U enclosure LEDs...................................................................................................................................................... 33
5U84 enclosure LEDs................................................................................................................................................. 35
Troubleshooting 2U enclosures......................................................................................................................................38
PCM faults.................................................................................................................................................................... 39
Thermal monitoring and control...............................................................................................................................39
Thermal alarm...............................................................................................................................................................39
Troubleshooting 5U enclosures..................................................................................................................................... 40
Thermal considerations.............................................................................................................................................. 40
CLI port connections.................................................................................................................................................. 40
Temperature sensors........................................................................................................................................................ 41
Host I/O............................................................................................................................................................................... 41
Contents
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