ESXi storage connection problems after installing a new array

ESXi storage connection problems after installing a new array

I was troubleshooting storage related problems at a customer site for some time. We run into massive ESXi storage connection problems after installing a new array. Interestingly enough problems occurred on already existing storage a few hours after new array was installed. Because searching for root cause took some time, I thought it is worth to share.

Read Me Leave comment

Watch HBA errors in ESXi hosts with PowerCLI

Watch HBA errors in ESXi hosts with PowerCLI

I am in the middle of a troubleshooting scenario. It is about connection problems from ESXi hosts to their storage devices. Normally everything works fine but at from time to time, there are tons of errors on HBAs in hosts. Therefor I want to watch HBA errors in ESXi hosts with PowerCLI.

Read Me Leave comment

VMs are shown with absolute path to vmx file in vCenter

VMs are shown with absolute path to vmx file in vCenter

These days I had to troubleshoot a problem in a vCenter environment. A few VMs shown with absolute path to vmx file in vCenter inventory. Normally this occurs when a ESXi boots with no connection to its previous mounted storage volumes. VMs located on these volumes are shown like this in inventory. But this wasn’t the case here: VMs were running and no host was […]

Read Me Leave comment

Error in vCenter Update Manager 6.7

Error in vCenter Update Manager 6.7

These days I had to update a ESXi host using vCenter Update Manager (VUM). Environment is managed by a vCenter 6.7 appliance with embedded VUM. The host I got the error is managed by vCenter but not member of any cluster. After attaching a upgrade-baseline and running the compatibility check, I got the error that vCenter Update Manager cannot copy files to the host.

Read Me Leave comment

Cold boot VM by guest OS reboot

Cold boot VM by guest OS reboot

When a VM is rebooted in OS, it keeps powered on at ESXi host during the whole boot process. Sometime it would be very useful when a OS reboot triggers a cold boot. In this post I show how to cold boot VM by guest reboot. Cold boot is like to power cycle a computer. A VM needs to get through a power off state […]

Read Me Leave comment

PowerShell error when accessing PowerShell gallery

PowerShell error when accessing PowerShell gallery

Most often installing PowerCLI is no problem. Sometimes there is a PowerShell error when accessing PowerShell gallery. Like now: Just wanted to install PowerCLI onto a new Windows 10. When running the command find-module vmware* I get this error(s): Fortunately I found a solution quickly here. Problem is related to security protocols used in PowerShell. Check current protocols by running: My Windows 10 showed this […]

Read Me Leave comment

Add HPE servers to InfoSight

Add HPE servers to InfoSight

HPE InfoSight is a cloud based IT operations management platform which uses artificial intelligence (AI) for data/metric analysis. So it is able to proactively find issues in individual environments before they actually causes a problem. Currently it is possible to connect these HPE products to InfoSight: Nimble Storage, 3PAR/Primera Storage, SimpliVity HCI, Servers. This post shows how to add HPE servers to InfoSight. For this, […]

Read Me Leave comment

Get HPE Primera/3PAR metrics in vROPs 8.x

Get HPE Primera/3PAR metrics in vROPs 8.x

This post is about two cool and powerful products: VMware vRealize Operations Manger (vROPs) and HPE Primers/3PAR and how to combine them. This post includes current versions of both. Good and a bad news about costs: Bad first: vROPs free for a short period of time as trial. Good one: HPE Plug-In is free! Version 3.7 of HPE Storage Plug-ins for VMware is the first […]

Read Me Leave comment

Replace machine certificate in vSphere 7

Replace machine certificate in vSphere 7

Compared to posts that describe the same task in older versions, this will be a rather short one. Specially replacing vCenter certificates was getting more and more easier during versions. It has never been that easy! In vCenter 7 we just have one certificate to manage. Solution Certificates are gone, respectively are deprecated in 7.0 . You can also see in CLI certificate-manager. See welcome […]

Read Me 2 Comments

Found invalid object errors on storage volumes

Found invalid object errors on storage volumes

I want to share the solution of flooding errors I had after an vSphere upgrade. Errors are probably not connected to upgrade. The problem I got flooded by errors for VMFS datastores in log files. Errors in /var/log/vmkernel.log: 2020-01-29T14:06:00.311Z cpu8:2099233)WARNING: Fil3: 8175: Found invalid object on 59c4eb22-52356382-42b5-5cb90195e9c0 expected 2020-01-29T14:06:00.311Z cpu8:2099233)Vol3: 3374: Failed to get object 28 type 3 uuid 59c4eb22-52356382-42b5-5cb90195e9c0 FD 8029c4 gen 3 :Not […]

Read Me Leave comment
Social Share Buttons and Icons powered by Ultimatelysocial