Harold Preyers
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  • Deleting the datastore where a content library is hosted is probably not the best idea

    calendar Apr 14, 2022 · 2 min read · content library homelab vcenter vsphere  ·
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    Deleting the datastore where a content library is hosted is probably not the best idea but … yes stupid error and now what. If you are not faint of heart (and now how to take a snapshot), you can rectify this. You should contact GSS as there is not documented solution and this might break. Take a snapshot and verify if …


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  • vLCM fails to upgrade a firmware component

    calendar Dec 9, 2021 · 3 min read · firmware HPE vLCM vsphere  ·
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    I recently experienced an issue within a HPE environment where vSphere Lifecycle Management (vLCM) fails to upgrade the firmware on a HP FlexFabric 534FLR-SFP+ Adapter. On HPE Gen10 servers it is possible to leverage vSphere LifeCycle Management to manage not only the ESXi version but also the firmware and drivers of …


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  • VCSA 7 U1 available updates error

    calendar Mar 12, 2021 · 2 min read · upgrade vcenter vcenter 7 U1 vCenter 7 U2 vsphere  ·
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    Today I deployed a new VCSA 7 U1 and as U2 has GA’d recently I wanted to update the environment first. So I headed to the VAMI interface > Available Updates page. Immediately there was an error: Error in method invocation ({‘id’: ‘com.vmware.appliance.update.manifest_verification_failed’, ‘default_message’: ‘Manifest …


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  • Upgrade Methodology – Upgrade the homelab

    calendar Oct 27, 2020 · 9 min read · methodology upgrade vsphere  ·
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    This post is not as a end-to-end upgrade guide but a methodology guide. Everything is more or less straight forward if one uses the correct methodology. As this is a home lab I have chosen not to add complexity by adding additional nodes to the various components for High Availability but depend on vSphere HA. This …


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  • Use iPerf to test NIC speed between two ESXi hosts

    calendar Oct 26, 2020 · 2 min read · esxi vmware vsphere  ·
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    Sometimes you want/need use iPerf to test the nic speed between two ESXi hosts. I did because I was seeing a NIC with low throughput in my lab. How can we test raw speeds between the two hosts? iPerf comes to the rescue. I was looking on how to do this on an ESXi host. I doesn’t come as a surprise that I found the …


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  • vShield Endpoint SVM status vCenter alarm

    calendar Mar 23, 2017 · 1 min read · esxi trendmicro vshield vsphere  ·
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    vCenter is showing an alarm on the TrendMicro Deep Security Virtual Appliance (DSVA): ‘vShield Endpoint SVM status’ Checking vShield for errors: The DSVA VA console window shows: (as to where it should show a red/grey screen) Let’s go for some log file analysis To get a login prompt: Alt + F2 Login with user dsva and …


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  • Start or stop ESXi services using PowerCLI

    calendar Mar 3, 2017 · 2 min read · esxi powercli powercli-snippet ssh vsphere  ·
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    Start the ssh service on all hosts: Get-VMHost | Foreach { Start-VMHostService -HostService ($_ | Get-VMHostService | Where {$_.Key -eq "TSM-SSH"}) } <div class="uagb-ifb-content"> <div class="uagb-ifb-title-wrap"> </div> <div class="uagb-ifb-text-wrap"> <p class="uagb-ifb-desc"> <em>Thanks to Alan Renouf at …


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  • From IOmeter to VMware I/O Analyzer fling

    calendar Nov 9, 2016 · 8 min read · IOAnalyzer vSAN vsphere  ·
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    VMware I/O Analyzer is a tool to launch orchestrated tests against a storage solution available from the VMware flings website. It can be used as a single appliance where the worker process and the analytics is done within. Additional appliances can be deployed to act as Worker VMs. The Analyzer VM launches IOmeter …


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  • Failed to clear bootbank content /altbootbank: [Errno 9] Bad file descriptor: ‘/altbootbank/state.xxxxxxx’

    calendar Aug 20, 2016 · 2 min read · esxi vsphere  ·
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    In a VSAN project the VMware Compatibility Guide mentioned a different driver version for the raid controller than the one that was installed. So I tried to install a driver update for the raid controller through the CLI. This did not work out as expected because the /altbootbank was in a corrupted state. There were …


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  • Storage vMotions based on CSV file

    calendar Apr 22, 2016 · 5 min read · microsoft powershell powercli vmware vsphere  ·
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    Execute storage vMotions based on information from an CSV file


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Harold Preyers

Harold is currently a Solution Architect at vConsultants
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Disclaimer

The opinions expressed on this site are my own personal opinions.

Featured Posts

  • Quick tip: Setting up TrueSSO?
  • Reconfigure diagnostic partition with PowerCLI using Get-EsxCli
  • PowerCLI goodies

Recent Posts

  • Photon OS 3.0 update the maximum failed OS login attempts
  • Deleting the datastore where a content library is hosted is probably not the best idea
  • Enable Workload Management does not finish
  • vLCM fails to upgrade a firmware component
  • How to request Let’s Encrypt certificates on the NSX Advanced Load Balancer
  • my helm apps won’t deploy because of pvc issues
  • VCSA 7 U1 available updates error
  • VCSA does not boot due to file system errors

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