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Questions tagged [vmware-vsphere]

vSphere is an enterprise level virtualization solution. It acts as the cloud computing OS managing a set of VMware ESXi-based hosts.

VMware's vSphere is a cloud computing virtualization platform built around the ESXi bare metal hypervisor. vSphere includes popular features such as HA (High Availability), DRS (Dynamic Resource Scheduling), vMotion (live migration of guests), and Storage vMotion (live migration of guests disks between datastores).

See the vSphere product page at vmware.com.

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vCenter Prevent VM Deletion

I'm starting to play with automating VMWare vCenter using PyVMomi. I want to take some base images and clone them, do some work on them, then delete them afterwards. However, I'm terrified that I'll code it incorrectly and delete some of our…
omghai2u
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WIndows 2016: How to force time sync after reverting to a snapshot?

Using vmware vsphere server 6.0.0 with a VM running Windows 2016. I have Windows set up to sync time with time.nist.gov. The machine is using UTC time zone. After restoring to a snapshot the time does not update for a while (if ever?). I've tried…
Skrymsli
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Sharing NFS datastore between data centers

I have no long experience with vmware-vsphere 5.5 .. so i have simple question Is it possible to share NFS datastore across tow data centers? if yes ; is it good thing to do?
Yaser Jawi
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Oversubscription vs Over allocation of vCPU resources in vSphere

I'm trying to understand over allocation of vCPU compared to over subscription of vCPU. For the purposes of the question lets assume the host that I will be using has a 16 core Xeon(2.1Ghz). Based on my research over subscription is having VMs…
seelani
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How to prevent the VMware console from catching the mouse

I am currently setting up a new server (Ubuntu LTS) and I have to use the VMware console form a Windows 10 PC to do so. I am used to use PuTTY and I find the VMware console very inconvenient. What I would like to achieve is that the console would…
Matthias Ronge
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Send linux kernel paramters to VM guest in VMware

I have research a lot about this but I can't find anything that answers my question. My question is how would I send/pass linux kernel parameters to a VM guest in VMware vsphere (so I don't need to open the console)? Somehow I would like to pass…
krt
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ESXi 5.5 CPU Sanity Check

In the BIOS of my server I have 2 X 2.26 quad cores, however in VMware I only see 2 cores per CPU ? Surely this isn't right? Processor Cores and Processor sockets should show as below: Processor Sockets: 2 Cores per Socket: 4 Logical Processors…
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Duplicate MAC address in VMware deploying from template

I am trying to deploy a VM from a template. This template has been used dozens of times before; nothing special. The problem is that seemingly out of nowhere when I deploy a VM, it's giving it the same MAC address as an existing powered on VM. Both…
briantist
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Can't use ctrl+c to kill process in VM

We are running several RHEL 6 64-bit VM's in a vBlock infrastructure using vCenter 5.5. If I open a console session through the vSphere web client the ctrl+c keystroke will not work. This is very inconvenient as a simple ping is now unstoppable. If…
D34DM347
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Setting VMware vSphere VMs to automatically upgrade VMware tools

We are currently on VSphere 5.1 across the board globally with around 450 Windows server VMs. We have an issue where we have various VMs throughout the organization that end up having expired VMware tools. Without going with 3rd party tools or VCops…
TheCleaner
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How much memory does my SQL need?

I have a VM (SQL database server) that I think has more memory then it needs, however I'm not sure what I can reduce it to because I don't understand exactly what "In use", "Available", "Committed" and "Cached" memory mean. The following is a…
kralco626
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vSphere Datastore for specific datatypes: NFS or iSCSI

I am looking into improving performance in my vSphere environment. We are using a NetApp appliance with all VMs stored in Datastores that are mounted via NFS. It was suggested to me that, for some specific workloads (like SQL data or a file server),…
Michael Potts
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VMware High Availability questions

I can't seem to find the answers to these questions within the vSphere 5 Documentation center, so please share if you are aware of any aspects of these questions. What happens to the failed VM that has been configured for High Availability (HA)?…
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ESXi 5.5 + vCSA Upgrade

We are upgrading 4 hosts from ESXi 5 to 5.5 We are adding 4 more hosts with clean ESXi 5.5 installs We are also upgrading our vCS 5 to the vCSA 5.5 Using Enterprise Plus Licensing Issue: I am trying to figure out the best way to make this…
Newbster
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Optimal configuration with Synology as HA iSCSI backend for vSphere

I'm looking into purchasing a new storage backend for our VMware vSphere Essentials package. We have 3 ESXi hosts, currently mainly using DAS. The goal is to upgrade to Essentials Plus this year, to leverage its extra power in High Availability and…
Niels Keurentjes
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