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Cheap disaster recovery
At the Dutch VMUG, together with my colleague Jos Vanaubel, I presented about how to do cheap disaster recovery using only PowerShell. At the London VMUG I held the same presentation again and promised...
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Enabling VMware View PCoIP with dynamic IP address
Update: I have checked the script to work with VMware View 4.6, VMware View 5.0, VMware View 5.1 and VMware View Horizon 5.2. There was an update needed for the URL used to get the external IP address....
View ArticlePower on VMs from ESXi command line
Ran into some stupid issue today. Don’t know why but suddenly I lost the storage of my homelab and all VMs had frozen and eventually crashed. Since my vCenter is running as a VM, it had gone too and I...
View ArticlePowershell: TimeSync in VMs and Windows w32time service settings
Customer of mine never heard about potential time sync problems in a virtual environment and when checking a number of VMs, I learned that they clearly had no default configuration for TimeSync in the...
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VMware vCenter 4.1 GUI issue on shares
When checking a customers environment, I discovered a strange GUI issue in vCenter regarding CPU shares for a VM. I usually use a PowerShell script to check if the customer has set any limits,...
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vSphere 5 – How to run ESXi stateless with vSphere Auto Deploy
A great new feature of vSphere 5 is the possibility to run ESXi stateless. Long, long time ago when ESX 3.0 was hip, we would all install ESX on the local harddisk (or SAN disk). With ESX 3.5, the...
View ArticlevSphere 5 Auto Deploy PXE booting through Cisco ASA firewall
In response to my blog post on “vSphere 5 – How to run ESXi stateless with vSphere Auto Deploy“, I received a comment from Rob Ellison, who ran into issues when PXE booting through a Cisco ASA...
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VMware vSphere PowerCLI Reference: Do judge this book by its cover
Often I receive book for review and after I read it, it goes on to my bookshelf and just sits there for a long time. With the VMware vSphere PowerCLI Reference its a different story. The book contains...
View ArticleUpdating your ESXi host using VMware vSphere 5 Auto deploy
In my previous post on VMware vSphere5 Auto deploy I explained how to setup an auto deploy environment. This is great for initial setup and to deploy your hosts, but what when an update is released by...
View ArticleVMware vSphere Health Check
At the Dutch VMUG event 2011 I gave a presentation on how to check your VMware environment to make sure it is healthy. When creating the presentation I had a lot of doubts because I was afraid everyone...
View Article[Powershell] vCPU to Physical Core for XenApp VM
For our Citrix XenApp environment that runs on ESXi, we tend to keep a 1:1 ratio when it comes to physical cores and vCPUs. In other words, an ESXi host with 12 cores, will only be running 6 XenApp VMs...
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VMware Auto Deploy with MSCS won’t work
Our environment is fully built using VMware Auto Deploy 5.1. All the clusters have their own ruleset and we’re very content on how easily we update our hosts and deploy new hosts. However, recently we...
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Cannot open the disk and could not open change tracking file
Lately I have seen a number of VMs going down after the backup has finished and snapshots get removed. At some point when cleaning the snapshot, the ESXi host decides something is wrong and then brings...
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What about the Windows C# Client for vSphere 6?
Let’s be honest, nobody has made the full swap to the vSphere Web Client yet. I’ve been pushing my colleagues and some customers to start using the Web Client, but it just isn’t up to par with the...
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Please vote for GabesVirtualWorld at the Top vBlog 2015
It’s that time of year again !!! Please vote for your top 10 favorite VMware & virtualization blogs, on the first page you will be able to select your 10 favorite blogs and on the following page...
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Check the health of your storage paths
For you vSphere environment you always want to make sure that all paths to your storage system are connected. That is why in our vSphere environment we run a daily morning check that tells us if there...
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Check correct path policy of RDMs
Our vSphere version combined with EMC VNX MCX OE version advices Round Robin as path policy. For RDMs used by a Microsoft Cluster however, Most-Recently-Used is the adviced policy. If a Microsoft...
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Manage your VMware Metro Storage Cluster with Tags
Running a VMware vSphere Metro Storage Cluster (VMware vMSC) makes it possible to move VMs between two geographical locations without downtime. In a Metro Storage Cluster a vSphere Cluster consists of...
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Wishlist: KB article with Log Insight queries
With VMware Log Insight you can create great queries. For some environments we have known bugs and since we can’t always update as fast as we would like, I’ve built some simple queries to alert me...
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