ESXi 5.5 > 6.5 upgrade fails with an error “Permission denied“

Just a quick post;

While upgrading ESXi from 5.5 to 6.5 I came across the following error;

This error is caused due to ESXi creating a partition labelled number 2 of partition ID ‘fc‘ (coredump) when ESXi doesn’t detect a harddisk / LUN.

How did I resolve it?

Firstly list out the partitions using the following command

  • esxcli system coredump partition list

From the output you’ll note partition 2 being used for coredumps, now we need to move this using the commands below;

First set the coredump to another partition, partition 7 used below for example

  • esxcli system coredump partition set –partition=”mpx.vmhba32.:C0:T0:L0:7″

Next enable;

  • esxcli system coredump partition set –enabled=true

Finally list out the partitions to ensure the coredump change has taken;

  • esxcli system coredump partition list

 

 

 

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