VMware vSphere

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  • 1.  no coredump target has been configured. host core dumps

    Posted Dec 09, 2021 07:20 PM

    Recently upgraded all my host to 7.0.2 Ua and now getting the above message.  Looking at KB 2004299 and when i run the command

    esxcli system coredump partition get, this is what i get (see below). I get nothing.  Am I missing something??  Any help is appreciated.   

     

    [root@ESXHOST8:~] esxcli system coredump partition get
    Active:
    Configured:



  • 2.  RE: no coredump target has been configured. host core dumps
    Best Answer

    Posted Dec 09, 2021 09:28 PM

    Hi, 

    There was significant file system changes in vSphere 7. If you are using SD card or USB key for boot, you need to provide additional HDD / SDD disk for the ESX-OSDATA partition, which usually contains the ROM data (coredumps, configs etc...)

    I this case the OS DATA partition should be extended or additionally created on physical disk device.

    More info here:

    https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.esxi.upgrade.doc/GUID-474D003B-C6FB-465D-BC1B-5FD30F8E2209.html

    https://kb.vmware.com/s/article/77009?lang=en_US

    If you don't want to see the warning, it can be disabled by this:

    1. Select the ESXi Host > 
    2. Click Configuration > Advanced Settings
    3. Search for UserVars.SuppressCoredumpWarning
    4. Then locate the string and and enter 1 as the value 

    Cheers,