Posts Tagged ‘VMware’

Move/Replace vCloud Director NFS Transfer Server Storage

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In a multi-cell vCloud Director installation, all cells need access to a shared spooling area, also known as NFS transfer server storage. When you need to move or replace the NFS transfer server storage because the current presented NFS share is too small or maybe it got lost because of a crash, you can simply [...]

Replacing VMware vCenter 5.1 Certificates Made Easy

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The release of vCenter 5.1 added more components and therefore more certificates into the mix. Using CA signed certificates increase security, but the process of updating these certificates is currently very tedious and error prone.
VMware announced the general availability of vCenter Certificate Automation Tool 1.0. This tool provides an automated mechanism to replace certificates in [...]

Versioning and Renaming Elements in vCenter Orchestrator

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During the development cycle of a workflow, your workflow can change drastically whenever you add new functionalities. Therefore a good practice is saving different versions of your workflow. One way to achieve this is by utilizing the built-in versioning functionality. As a best practice, always increase the version number of your workflow when making changes [...]

vCenter Orchestrator Configuration Element Attribute Values Missing After Import.

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When importing a package on a vCenter Orchestrator (vCO) server in my lab I noticed that the values of the attributes inside the Configuration Elements (CE) were missing. At first I thought that it was because of the different version of vCO. (I exported the package as a backup from a vCO 4.2.1 and imported [...]

vSphere Update Manager Network Connections

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Recently I was struggling getting vSphere Update Manager to work properly across firewalls. Information for the required firewall ports that need to be opened can be obtained from the following VMware KB articles:
http://kb.vmware.com/kb/1004543
http://kb.vmware.com/kb/1012382
During troubleshooting, some information got me confused and as the saying goes, “a picture is worth a thousand words.”, I decided to craft [...]

Restoring the default vCenter Server alarms

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I’ve been troubleshooting some vCenter alarms lately, which involved a lot of editing, removing and adding of alarms. After the troubleshooting I wanted to reset everything back to default and ran into VMware KB article 2009166, explaining how to restore the default vCenter Server alarms.
To restore the default vCenter Server alarms you first have to [...]

Top Bloggers Voting Time Again

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Eric Siebert has opened up another top VMware & virtualization blogs poll over at vSphere-land.com.  Please take a moment and cast your vote  for your favourite 10 bloggers.  It’ll take only a couple of minutes of your time and you can win a copy of the Train Signal’s new vSphere 5 and View 5 video training courses.
So head on [...]

Masking LUN paths using PowerCLI

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I got a question on my previous post about the Get-EsxCli cmdlet, ESXCLI the PowerCLI way, from Alasdair Carnie who was having trouble using the Get-EsxCli cmdlet to mask luns at the ESXi host level. In this post I’ll show you how to accomplish LUN masking at the ESXi host level.
Note 1:
Before you read any further, please [...]

Managing VMware DRS rules using PowerCLI

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One of the core features of VMware vSphere is the Distributed Resource Scheduler (DRS). VMware DRS is vSphere’s workload load balancer and relies on VMware vMotion technology to live-migrate workloads from one ESX host to another.
You can constrain the VMware DRS decisions by defining DRS Rules. As of vSphere 4.1 there are 2 type of [...]

Living the dream

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Who would’ve thought that 2011 would become such a great year for me? Earlier this year a dream came true with the release of our PowerCLI book on March 28th. Now, only 2 months after, another dream is about to happen. I think I can honestly say that I’m living my dream right now.
Well, it’s [...]