Virtual Geek

Tales from real IT system administrators world and non-production environment

Blog posts : "vmware"

Reset HP ILO password from Esxi server

Recently I got some new VMware projects, there HP servers ILO Administrator password were poorly managed and documented. When I took handover I didn't know ILO Administrator passwords for most of the HP servers. I wanted to streamline the the same. As servers were at the remote location and few data…

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Vembu BDR Suite v3.9.0 is now Generally Available and includes Tape Support & Flexible Restores

It is greatly significant that data requirements to be backed up and there should be an operative Disaster Recovery strategy in situation of data threat or a catastrophe. Although data stays to raise and there are number of technology providers who proposal better and complete storage methods to bus…

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Create and configure VMWare vSphere VSAN cluster step by step

VMware vSAN is a Hyper-Converged storage (Software Defined Storage) solutions with a vSphere-native, high-performance architecture. With software defined storage, it has opened new opportunities to new skills. With vSAN we can use local disk and create highly available, scalable, high performance da…

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Emulate HDD as SSD flash disk on Esxi and VMware workstation

I was required (emulated) virtual fake SSD in VMware workstation for few demos and testing purpose. I am already using SSD on my system, If vmdks are kept on the Solid state drives, VMs detects vmdk disks as SSD/Flash disk, but if you don't have SSD, it can be easily emulated with a trick configurat…

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Reset ESXi root password using vCenter server: VMWare vSphere Web client

Recently I got assigned one of the VMware project, while taking handover I found esxi root passwords are not documented properly for the VMware infrastructure project, Luckily 40% Esxi host were joined into domain and I was able to reset password using Reset forgotten ESXi root password on Domain…

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The top 10 reasons to upgrade to VMware vSphere 6.5

1. Reorganize Administration and Management with a New and modern HTML5-Based User Interface 
Administer and manage the virtual data center with the responsive, easy-to-use new HTML5-based vSphere client interface. Although I am still big fan of vsphere client, As new versions of vsphere will be k…

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Add NFS datastores to VMware ESXi hosts using PowerCLI

Warning: Windows NFS server is not listed on VMWare HCL as Esxi NFS datastore. I am using it as a demo purpose.

In this article I will use NFS mount created earlier in Microsoft Powershell: Windows 2016 Install and configure NFS server. Mounting the same NFS datastore storage on Esxi servers or …

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Microsoft Powershell: Windows 2016 Install and configure NFS server

Unmount NFS datastores from VMware ESXi and NFS is in use

Mounting NFS datastore on ESXi server is very easy, similar way you might need to remove/unmount NFS share from ESXi server for maintenance or migration purpose. To unmount it, open VMWare vSphere Web Client and select Storage tab, from the list select NFS datastore, right click on it and sele…

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Mount NFS share to multiple ESXi hosts

"A datastore with the same name and backing configuration already exists in the current datacenter. Change the datastore name and backing configuration to continue."

While adding NFS datastore on esxi server I saw above error. This NFS drive was already added on the Esxi001 successfully, but when…

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VMWare ESXi add and create NFS datastore

In the earlier article Microsoft Windows 2016 Install and configure NFS server for ESXi and Linux, I shown on installing and configuring NFS server on Microsoft Windows 2016 sever. NFS datastores is one of the file type of datastore to keep virtual machines on VMWare Esxi server, This is also good …

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Microsoft Windows 2016 Install and configure NFS server for ESXi and Linux

NFS (Network file system) is a distributed file sharing solution for diversified cross platform environments. It was originally designed to run on Sun solaris, This also supports and works well on windows and non-windows computers. NFS uses RPC and usually use Port (TCP and UDP) 111 and 2049. There …

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VMware Powercli : Gather distributed virtual switch information to JSON file to migrate standard switch

I have already written complete series on how to migrate distributed virtual switch to Standard virtual switch which helps to move Esxi host from one vCenter to another vCenter server. As you should not remove Esxi directly with distributed switch from vCenter until you move it to standard virtual s…

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Join domain ESXi to an Active Directory OU : Powercli

I received request from my internal team to provide a small solution on Esxi Domain join and created when pulled it in domain computer account should be created in specific OU (Organization Unit). To perform this task first, we need complete OU path, to find it open Active Directory Users and Comp…

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Resolved: Esxi Join domain failed-Error in Active Directory Operations

This is some times common, you document something and if don't implement it or use something since long, you might forget knowledge or the issues you resolved earlier. I was automating join domain ESXi servers, while trying joining I was keep getting error: Errors in Active directory operations. I a…

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Part 4: Remove ESXi Host from Distributed switch and migrate to virtual switch completely

This is last and final part of this article series from migrating distributed switch to standard switch. In this series I have already created and copied existing dvswitch and its portgroup to new standard switch, then migrated Management network and vMotion VMkernel virtual network adapter to stand…

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Migrating move back from Distributed virtual switch to Standard virtual switch - VMs (Virtual Machine) - Part 3

In my earlier article after moving all VMkernel network adapters from dvswitch to sswitch, In this part I will be migrating Virtual Machine's network adapter from DvSwitch PortGroups to respective Standard vSwtich PortGroup. This is a one of the crucial stage and gather PortGroup Network information…

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Migrating move back from Distributed virtual switch to Standard virtual switch - VMKernal Adapter - Part 2

In this article I will be migrating VMKernel virtual adpaters from distributed virtual switches to standard virtual switch, in earlier article I addressed Copy or clone distributed virtual switch portgroups to standard switch portgroups - Powercli, this helps automating, creating Portgroup. Here I…

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Copy or clone distributed virtual switch portgroups to standard switch portgroups - Powercli

Migrating ESXi server from one vCenter server to another vCenter server is very easy task if complete networking is on standard virtual switches. When migrating ESXi server with distributed virtual switches to another VC is also easy but requires extra steps. First it is recommended to move back fro…

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VMware hot-extend was invoked with size is not supported: Virtual Machine HDD VMDK

Last day I received some critical tasks on production to increase Virtual Machine Hard disk VMDK size, on around 200 vms. For 99.99% I have my own VMWare PowerCLI scripts repository to automate my tasks to complete it before time. While running script I was getting errors, To further troubleshoot I …

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20 Blog Posts