OSAM migration fails validation with error "Sentinel service running on VM VMname has reported error(s) - ["Cannot get MDArray Information reliably"]"
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OSAM migration fails validation with error "Sentinel service running on VM VMname has reported error(s) - ["Cannot get MDArray Information reliably"]"

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Article ID: 417703

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Updated On:

Products

VMware HCX

Issue/Introduction

  • You try to start an OSAM migration of a Linux machine and during validation you see the following error on the UI:

  • On the log /var/log/vmware/hcx/osam/sentinel.log on the source machine you observe the following error:
ERROR [main] c.v.h.S.L.LinuxSystemConfig - could not find meta data version in the /sbin/mdadm --detail /dev/md# output.

 

Cause

This is an issue with the source VM file system.

Resolution

  • Verify that the OS and file system are compatible: 

Supported Guest Operating Systems

Guest Operating System Considerations

  • Contact OS vendor to investigate file system issue.