Dell EMC ME4 Series - Table of Contents

Contents
1 Storage system hardware...............................................................................................................................6
Locate the service tag.......................................................................................................................................................6
Enclosure congurations................................................................................................................................................... 6
Upgrading to dual-controller conguration............................................................................................................... 7
Enclosure management..................................................................................................................................................... 8
Management interfaces.............................................................................................................................................. 8
Operation.............................................................................................................................................................................8
Attach or remove the 2U enclosure front bezel..................................................................................................... 10
Enclosure variants............................................................................................................................................................. 11
2U12.............................................................................................................................................................................. 11
2U24..............................................................................................................................................................................11
5U84.............................................................................................................................................................................12
2U enclosure core product.............................................................................................................................................. 12
2U enclosure front panel............................................................................................................................................12
2U enclosure rear panel............................................................................................................................................. 13
5U84 enclosure core product..........................................................................................................................................16
5U84 enclosure front panel....................................................................................................................................... 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........................................................................................................... 33
Overview...........................................................................................................................................................................33
LEDs.................................................................................................................................................................................. 33
2U enclosure LEDs.....................................................................................................................................................33
5U enclosure LEDs.................................................................................................................................................... 36
Troubleshooting 2U enclosures...................................................................................................................................... 39
PCM faults..................................................................................................................................................................40
Thermal monitoring and control............................................................................................................................... 40
Thermal alarm..............................................................................................................................................................41
Troubleshooting 5U enclosures.......................................................................................................................................41
Thermal considerations............................................................................................................................................. 42
Contents
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