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Mystery of the broken VM

Mystery of the broken VM

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Today my colleague (vmware administrator) asked me a small favour – help to perform RCA (root cause analyze) – related to one of production VM that had recently a problem. VM for some reason was migrated (collegue stands that it happened without administrative intervention) to other ESXi host that do not have proper network config for this vm – this caused outage for whole system. I asked about issue time and we went deeper into logs in order to find…

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vSphere 6.5 – enhanced logging

vSphere 6.5 – enhanced logging

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  vSphere 6.5 introduces audit logging, before vSphere 6.5  logs were more focused on finding root causes of a problem – not releate deep  to IT operations or security use cases. For example, if a virtual machine was reconfigured from one storage adapter to another in logs we would find only “Virtual Machine <name> reconfigured”.  But now logs which are coming from vCenter via Syslog will contain data from vCenter Events. These logs will clearly show “Before” and “After” setting…

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