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Knowledge Base

/opt/vmware/sddc-support/sos --health-check shows RED under NTP for sddc-manager-controller after upgrading VMware Cloud Foundation to 2.3.x (57680)

Last Updated: 8/24/2018Categories: PatchTotal Views: 4623Language:
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Symptoms

Running /opt/vmware/sddc-support/sos --health-check or /opt/vmware/sddc-support/sos --ntp-health from the SDDC Manager Controller VM shows RED under NTP for the SDDC Manager Controller VM

VMware Cloud Foundation has been upgraded to a 2.3.x version.

Running the ntpq -wp command on the SDDC Manager Controller VM shows that a valid time source is configured and reachable.

Running the ntpq -wp command on the SDDC Manager Controller VM shows reach of zero for any entry that points to a local SDDC Manager Controller IP addresses (note entries starting LOCAL or sddc-manager seen in output of ntpq -wp command):

Example output (note: example may not exactly match output when running ntpq -wp command):

remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
scrootdc02.vmware.com
10.16.74.11      2 u   28   64    3   31.405  -3390.1  65.548
sddc-manager-controller.vcf.vxrack.local
.INIT.          16 u    -   64    0    0.000    0.000   0.000
sddc-manager-utility.vcf.vxrack.local
LOCAL(0)        11 u   29   64    3    0.172    5.515   2.450
LOCAL(0)        .LOCL.          10 l   28   64    3    0.000    0.000   0.000

Resolution

This is a known issue affecting Vmware Cloud Foundation 2.3.x environments.  There is currently no resolution.

Workaround

Take a snapshot of the SDDC Manager Controller VM.

Download attached file 57680_base.py.zip to a place that has access to the SDDC Manager Controller VM and extract the contents.

SSH to the SDDC Manager Controller VM and take a backup of the sos code base by issuing the following command:

​cp -rf /opt/vmware/sddc-support /opt/vmware/sddc-support-golden-copy

Use a file transfer utility to copy the extracted 57680_base.py file downloaded in Step to the /tmp folder on the SDDC Manager Controller VM.

From the SSH session to the SDDC Manager Controller VM, issue the following command to moave/rename the /tmp/57680_base.py file:

​mv /tmp/57680_base.py /opt/vmware/sddc-support/health/ntp/base.py

Restart sosrest service by issue the following command:

systemctl restart sosrest

Run /opt/vmware/sddc-support/sos --ntp-health to verify that the NTP health is GREEN.

Note: Remove the snapshot taken on the SDDC Manager Controller VM if successful or revert if not.

Detectable by VMware SkylineTM

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Attachments

57680_base.py.zip

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