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  • Recovering a vSAN disk group from a failed ESXi host

    Sep 12, 2019 VMware vSphere vSAN

    In this post I’ll run through the steps required to recover a vSAN disk group from a failed ESXi host running vSphere 6.7 U3. If you need to recover data from a vSAN datastore after a situation like an ESXi host has died but the vSAN disks are intact, read on.

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  • What happens when a boot disk fails on a vSAN host?

    Feb 17, 2019 VMware vSphere ESXi vSAN

    Have you ever wondered what would happen if an ESXi host lost access to its boot disk? If you expect the host to throw a purple screen of death and all VMs to be restarted on another host by vSphere HA, you might be surprised to find that the host will continue to operate more or less as usual, and virtual machines …

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  • PowerCLI 10 - The SSL connection could not be established, see inner exception.

    Mar 5, 2018 VMware vSphere PowerCLI

    With the release of PowerCLI 10 at the end of February, unless you read the release notes first, I’m pretty sure you’ll have seen the following error message at least once when trying to connect with Connect-VIServer:

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  • Fixing file system corruption in the vCenter Server Appliance

    Nov 23, 2016 VCSA VMware vSphere

    I recently had a storage network outage in my lab environment, and after powering back on my vCenter Server Appliance (VCSA) I was rudely greeted with the following information at the console:

    failed to start file system check

    Ouch!  I’ve never dealt with file system corruption in a VCSA before, and the internet doesn’t seem to contain …

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  • How to get vCenter updates through a proxy using the Appliance MUI (or VAMI)

    Nov 17, 2016 VCSA VMware vSphere vSphere 6.5

    In yesterday’s post, I updated my VCSA 6.0 appliance to version 6.5.  Today, logged into the Appliance MUI and noticed that my appliance was not able to check for updates using the default web repository.

    Before we really start, a quick note on terminology.  The Appliance MUI (which means Appliance Management UI) …

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  • vSphere 6.5 - upgrading your VCSA from version 6.0

    Nov 16, 2016 vCenter VCSA VMware vSphere vSphere 6.5

    With today’s exciting release of VMware vSphere 6.5, I thought I’d celebrate by upgrading the vCenter Server Appliance (VCSA) in my lab from version 6.0 u2 to version 6.5.  Since I’m doing this more or less blind, without having read any documentation whatsoever, I thought I would write a (hopefully …

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  • Best practices for vSphere Metro Storage Clustering with 3Par Peer Persistence and Storage I/O Control

    May 26, 2016 HPE VMware vSphere

    A vMSC - perhaps more commonly known as a “metro cluster” -  is an architecture in which individual vSphere clusters will be spread across multiple geographical sites.  Since a vSphere cluster requires shared storage to allow VM’s to migrate across hosts, in a vMSC environment this will mean that …

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  • Decommission a PSC or vCenter Server in vSphere 6.0

    Mar 17, 2016 PSC vCenter VMware vSphere

    This is an (extremely) quick post to cover the steps required to decommission a Platform Services Controller (PSC) or vCenter Server from the vSphere single-sign on (SSO) domain.  The steps below are for a VCSA; steps for a Windows VC are very similar, and are contained in the VMware KB article I used as a reference …

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  • Query and change the Platform Services Controller being used by vCenter Server in vSphere 6.0

    Mar 15, 2016 PSC vCenter VMware vSphere

    Here’s a quick guide on how to query and change the Platform Services Controller (PSC) being used by vCenter.  Querying for the in-use PSC is possible on vCenter 6.0, but changing the PSC is only possible on 6.0 Update 1 or newer.  Note that I performed these steps on the vCenter Server Appliance (VCSA), and …

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  • Increasing the disk size on a vCenter Server Appliance in vSphere 6.0

    Mar 4, 2016 vCenter vSphere

    As VMware continues to push in the direction of unix-based appliances for their vSphere management components, those without a Unix background (like myself) are having to come to grips with the Unix versions of common administrative tasks. Increasing the disk size on a vCenter Server appliance (VCSA) is one such task. …

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    Recent Posts

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    • Recovering a vSAN disk group from a failed ESXi host
    • What happens when a boot disk fails on a vSAN host?
    • How to increase storage on a vRealize Log Insight cluster
    • PowerCLI 10 - The SSL connection could not be established, see inner exception.
    • Sydney VMUG - Getting started with vRA
    • Searching vCenter events & tasks in vRealize Log Insight
    • Configuring syslog on NSX Controllers using PowerShell

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