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

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How does vCPU in VMware vSphere works? [closed]

I would like to know how vCPU works and how its "connected" to the real CPU - how ESXi manages real CPU hardware resources to satisfy vCPU needs? Does vCPU uses all available cores, multithreading, ...
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2answers
293 views

ESXi 5.1 crashing

I got a ESXi 5.1 installation which is irregularly crashing with a error output like the following: The server has got the following hardware: Supermicro X8DTN+ Mainboard 2 x Intel XEON E5606 6 x ...
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1answer
537 views

esxi host memory usage increasing

i am running esxi 5.5 with only one virtual mashine. At the beginning host memory consumed was 550 MB but after 3 days it increased to almost 1200 MB. My guest is using the same amount all the time. ...
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2answers
2k views

VMXNET3 performance on Linux on ESX 5.0

What kind of performance can I expect from VMXNET3 adapter when running two Linux guests on the same VMware ESX private network defined between those guests? I use VMXNET3 adapter for communicating ...
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1answer
11k views

vSphere - Why upgrade VM Hardware Version?

At the beginning of the year we performed an upgrade of our vSphere environment from vSphere 5.0 to vSphere 5.1 U1 Build 1063329 compromised of about a dozen ESXi hosts and a vCenter instance hosted ...
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3answers
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vSphere - copy virtual machine to external usb hard drive

We have an ESXi server standing somewhere else. I can connect to the server with the vSphere client. There is an external USB hard drive plugged into the server. How can I copy a stopped VM to the ...
7
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1answer
2k views

vSphere 5.1 U1 Client - “The command has timed out as the remote server is taking too long to respond”

The Problem: What we are trying to do When trying to log into vCenter using the VMware vSphere Client we are greeted with the following error when using both Windows Sessions credentials or manually ...
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1answer
17k views

Deploying VM from vmdk / vmx file

I have a vmdk file and vmx file (and all the other files from someone elses datastore) copied onto my own data store. If I try to deploy from the vmx file, I get a vm with the name "unknown # ...
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4answers
121 views

How to get the specs of a server? [closed]

I have a virtual machine and boss says "Hey, get me the specs on that server." presumable because she wants to acquire a comparable one and will ask me to set it up from a backup of our current one. ...
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0answers
278 views

Minimum Privileges for vmware user for Foreman 1.4 Compute Resource

I am currently trying to add a ESXi cluster I have into Foreman 1.4.1, and am running into a problem with permissions. Currently, I've given a service account the following rights: Datacenter-Level: ...
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5answers
9k views

Export virtual machine list

I'm doing an inventory of both our physical and virtual machines. I'd like to export a list of virtual machines from vCenter instead of having to type everyone into a spreadsheet. Anybody know of an ...
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3answers
415 views

Add RAM to VMware VM with scheduled task?

I need to add RAM to a web server on a production environment. The server is a Windows 2008 server VM running on ESXi 5 that does not support hot plugging of memory. I want to add RAM to it and it ...
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2answers
98 views

VMware EVC mode

I have a production cluster of 6 Nehalem based and two Sandy Bridge-EP based blade servers. To enable vmotion across this cluster in vmware, I need to lower the Sandy bridge blades to nahalham using ...
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3answers
4k views

Unable to connect to ESXi 5.1 after upgrading to 5.1 U2

I upgraded my ESXi 5.1 U1 to ESXi 5.1 U2 using SSH, after upgrade complete and I restart the server I couldn't connect to the Server using vSphere Client but I could connect to it using SSH after few ...
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3answers
278 views

route cache filling with wrong entries

I have an issue with private network traffic not being masqueraded in very specific circumstances. The network is a group of VMware guests using the 10.1.0.0/18 network. The problematic host is ...
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0answers
446 views

VM iscsi disk crashes on one VM Host, not on the other

I have a VmWare solution running on a HP bladesystem with a Lefthand ISCSI san. There are currently two VmWare hosts in that environment. I have two Debian VM's sharing an ISCSI disk (with ocfs2), ...
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2answers
33 views

managability issues over using a single machine to host all sites, or a site per machine? [closed]

So, a little background. I work for a company that has a number of extremely important, non-public facing websites. People's safety and livelihoods depend on these staying up. We have very little ...
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2answers
1k views

vSphere - Allocate 100% CPU to 1 VM / 88% efficiency [closed]

EDIT 2: My application benefits from hyper-threading A. Yes I know what the technology is and what it does B. Yes I know the difference between a physical core and a logical one C. Yes turning HT ...
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2answers
317 views

Does it make sense to create a “private” host-only network or vSwitch for VM-only communication on a VMware vSphere host?

Currently I have one vSwitch with a few networks on it, which talk to other devices and use VLAN tags. I have Internet, Internal, Management (VMKernel), and WWW (LB pool). However, for things like SQL ...
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1answer
195 views

Configuration Defaults for VMWare vSphere Virtual Machines

We have a number of hosts running VMWare ESXi 5.5 all attached to a vCenter instance. We access and manage all of our VMs with the vSphere Web Client. A number of people who do not necessarily have ...
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1answer
263 views

Documentation for VMware NSX RESTful API

We are gonna develop some feature for our product for which we need to leverage the VMware NSX API. First we want to understand the API and the RPC's. But we are not able to find any documentation for ...
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1answer
669 views

VMware ESXi upgrade from 4.1 to 5.1 Error: No Nic found with mac address

When upgrading from ESXi 4.1 to 5.1 the upgrade failed. I am receiving a handled error: There was a problem with the Network Device specified on the command line. Error: No NIC found with MAC ...
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1answer
33 views

vCenter VUM version for my application

I have ESXI 5.1 u1 loaded on the three 520's in our VRTX. This is the latest version currently support by the Dell VRTX system. I am managing with version 5.5 of the vCenter appliance. My ...
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1answer
314 views

IIS v7 VMWare Cloning for Test Purpose

We have production Server 2008R2 VMs running IIS v7. The app pools have their own AD service accounts (not anonymous IUSR). Will there be issues cloning these IIS machines into a stage environment? ...
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1answer
101 views

Multiple subnets on VMware host

I have two VMware vSphere 5.1 hosts. Each host is connected via a switch to gateway 192.168.20.1. Currently both hosts have their vSwitches using network 192.168.20.0. I'd like to have the two ...
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6answers
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How should I copy my VM templates between vSphere datacenters?

Background/Environment Architecture: My current environment for $corp_overlords$ is set up in a hub-and-spoke model with a technologically well-endowed home office hub (SAN, bladecenter/bladesystem ...
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1answer
840 views

Restore a VM to latest snapshot automatically on power on?

In vSphere 5.1.0 I have created a snapshot of a windows 7 machine. I would to restore the machine to this snapshot each time its restarted. But it only seems to be possible if I manually go to the ...
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6answers
9k views

vSphere ESX 5.5 hosts cannot connect to NFS Server

Summary: My problem is I cannot use the QNAP NFS Server as an NFS datastore from my ESX hosts despite the hosts being able to ping it. I'm utilising a vDS with LACP uplinks for all my network traffic ...
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2answers
1k views

Disk IO cutting out on Windows Server 2008 R2 running in VMWare

We've been trying to fix a problem with our server for about a week now. Only in the past few days have we really found out what the issue is. Just some information up front: We run a VM with a 3rd ...
0
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1answer
60 views

vmware tools - understanding guest active memory

I'm using vSphere 5.1. According to here, guest active memory in "Resouse Allocation" tab is: Amount of memory recently accessed From other hand, in "Performance" tab, active memory means from ...
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4answers
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Can you change the virtual NIC type after building a VM?

When building a VM, you can select which virtual device type you would like a vNIC to be (E1000, VMXNET3, etc). After the VM is created, can you change the type of vNIC in use on a given connection ...
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1answer
3k views

Vcenter 5.5: can't create datacenter

Just installed VCenter 5.5 -- simple install method. Defaults all around. Got logged in to web client using Administrator@vsphere.local configured SSO to allow local account as admin. Gave admin ...
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1answer
6k views

Vsphere 5.5 reset root

I would like to change the root password used to access our virtual environment, I am using the vsphere client (5.5) connecting to a virtual appliance but cannot find where I can change this.
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1answer
329 views

iSCSI drive running at 100% but SAN and Network are not [closed]

We have a virtual server running on VMware. This virtual server has a number of iSCSI drives attached to it (E, F & G drives). It has 2 virtual NICs - 1 for normal network traffic and 1 for iSCSI. ...
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2answers
227 views

What's the best method to list all active NICs and IP addresses in a vSphere cluster?

I have ESXi 5.1 with many hosts in a cluster. I would like to generate a list of active NICs and thier IP addresses. Whats the easiest tool to generate such a list? *I am not looking for the Virtual ...
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1answer
2k views

Why doesn't VMWare DRS automatically migrate VMs when a host is put in maintenance mode?

We have 4 ESXi 5.0 hosts in a VMWare cluster on shared storage (NFS) with DRS and HA on. We want to perform a memory upgrade on one of the hosts. We put that host in maintenance mode but DRS did not ...
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2answers
79 views

VMware: Push Changes from Base VM to a derived Snapshot

I have a base VM just with the operating system on it. There are snapshots of this VM with different installed applications. Now I'd like to provide several software updates to these snapshots. But I ...
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2answers
524 views

How to change the memory size of an ova appliance before deploying it on VCenter Server?

In this Question george was asking if it is OK to lower the memory of VMware Virtual Appliance. What I would like to know is how to modify memory size in the ova file before the deployment? because ...
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2answers
50 views

Managing several vcenter hosts from one vsphere window

I have a couple of VMware hosts, 4.x and 5.x, on different networks etc. Is it possible to manage them from one instance of vCenter (virtual appliance) 5.5.0? If so, where is the option to add them?
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2answers
819 views

Can I run vMotion traffic over iSCSI network ESXi 5.5

Is there anything wrong with using one vmkernel in a multipathed iSCSI setup for vMotion traffic as well as iSCSI? I have iSCSI storage setup using 2 vmkernels for MPIO. I'd like to use one of those ...
2
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1answer
47 views

Delays when contacting vSphere virtual machines

We using vSphere 5 to host over a dozen virtual servers and all are Windows 2008 R2 or newer. I'm experiencing a bad delay of a few seconds after a VM has been idle for a little while (may only be a ...
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1answer
1k views

VMWare vSwitch VLAN IDs and tagged/untagged ports

Similar to this question: What happens when a port is configured as ACCESS and is a part of VLAN 'X' and we get a packet of VLAN 'Y' on that port? Will the switch drop it or it will add a VLAN ...
2
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1answer
265 views

Why is my vSphere disk now thick provisioned?

I have a vSphere 5.0 VM that was created with entirely thin-provisioned disks (I don't have any other options when creating them). A year later, one of the disks is now no longer thin provisioned but ...
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3answers
320 views

How Reliable is Virtualization when compared to dedicated Hardware?

In my organisation we have plenty of mission critical servers and currently there is a debate whether for critical servers we should use VMWare vSphere 5 or have a dedicated hardware? The perception ...
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2answers
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Possible to install vmware tools 5.5 on Ubuntu 12.04?

According to this pdf, it should be possible to install vmware tools 5.5 for Ubuntu 5.5, but the kernel versions doesn't match for vmware-tools-esx-kmods-3.2.0-29-generic-pae and the latest Ubuntu ...
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1answer
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ARP response is not present on the other port of linux bridge based on ubuntu 13.10

I recently build linux based bridge for packet monitoring purpose, but there is BIG problem. the environment is, overall env. target of monitoring is VMs on vSphere. two vSwitches are configured ...
2
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1answer
258 views

VMWare vSphere 5.5 management interfaces unreachable

I've got a vSphere 5.5 Essentials Kit; One of the hosts, a Dell R410, is running vSphere 5.5 and as of yesterday it is unresponsive to any of the management tools. I've tried the following: Web ...
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1answer
1k views

VMware vmx HDD boot order and CD-ROM boot order

In a VMWare .vmx file one can set a key to define the order of HDDs to try for booting, e.g.: bios.hddOrder = "scsi2:2,scsi0:1,ide1:0" This is useful when there are many possible bootable HDDs ...
2
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0answers
128 views

How do I obtain the ssh public key from my VSphere ESXi 5.1 host hypervisor residing in vcenter with puppet-enterprise cloudprovisioner

I am using the learn puppet 3.1 vm and trying to connect to a host hypervisor. I followed the instructions to create a .fog file under root which includes a yaml hash, and I read that the yaml hash ...
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2answers
823 views

Move VMDK files to different datacenter [closed]

I am looking for a possible methods to migrate VMs from vSphere 4.1 to new vSphere 4.1. What is the best way to do this minimal downtime? I want to know how to migrate an virtualized active directory ...