VMWare ESXi is an installable/embeddable virtualization platform based around the ESXi Hypervisor.

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ESXi host halts, console seems responsive but

... as soon as I enter a user name and password, it freezes. Won't let me hit "enter" to log in. Management ports are not responding, guest OS's are not responding. It did this once last week after ...
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2answers
32 views

Numbering scheme for CPU affinity

In the VMware Infrastructure Client (no vCenter), under the Resources / Advanced CPU section of each VM's Edit Settings dialog, there is an option to alter the Scheduling Affinity of a VM. It sets ...
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1answer
30 views

Strategy for virtualised Windows Server Updates to reduce downtime

We have a wonderful VMWare based visualized environment that has, until now, been hosting a collection of Linux based VMs. We've now added in a Windows Server 2008 R2 VM that hosts a SQL Server ...
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2answers
57 views

PowerOn failure after import from Workstation 10 to esxi 5.5

I have a working VM accessed through Workstation 10. I have imported the files to ESXI 5.5, then "Add[ed it] to Inventory" through the Datastore Browser. When I try to Power On the imported VM, I get ...
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0answers
19 views

vsphere HA host monitoring

Something I stil can't figure out is the optional HA setting : "Host Monitoring". What if you ENABLE HA, but you DISABLE 'host monitoring" ? How will HA be able to detect which host doesn't have a ...
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1answer
26 views

DRBD as DR: syncing datastores of 2 ESXI hosts, vmdk consistency?

does anyone have experience with using DRBD (protocol C) to sync parts of the datastores of 2 esxi hosts for disaster recovery of selected guests? I have 2-3 guests that should be able to recover ...
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1answer
32 views

Fail to resize partition on Ubuntu 14 LTS / ESXi5

I want to resize the main partition of my Linux VM. I added space through ESXi interface Booted on GParted and resized the partitions However, the system does recognize the changes on disk ...
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1answer
42 views

ESXi Wake on LAN single host [closed]

I have a single esxi host I want to use WOL (wake on lan) to remotely power on. I do not have a vcenter server setup. Everything i've read says you have to have a Vcenter server and Vmotion setup to ...
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1answer
42 views

High availability using Fibre Channel and iSCSI in vSphere

I'm having a hard time understanding shared storage for high availability in vSphere. I have the following kit: 1 x Mac mini (ESXi 5.5 - part of vSphere) 1 x White box PC (ESXi 5.5 - part of vSphere ...
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1answer
51 views

VSphere web-client shows incorrect datastore capacity

On the vsphere web client I have a strange problem with one of my datastores as it's displayed capacity is incorrect. Originaly it had 1TB of disk space. After I increased it's capacity on 1.4TB the ...
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1answer
39 views

conflict in network interface configuration of CentOS 6.5

I am trying to create 2 network interfaces, one with DHCP and the other with static IP on a CentOS VM running on ESXi Server. Content of file ifcfg-eth0 is as follows: DEVICE=eth0 ONBOOT=yes ...
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1answer
88 views

OS X Mavericks (or Yosemite) on new VM in Vsphere? [closed]

Am I able to install OS X on a VM in VMware VSphere Client? I've already got ESXi 5.5 installed on my testing environment at home on my Dell PowerEdge server with 4 VMs running windows OS's accessing ...
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0answers
60 views

Limit ESXi guests to one public ip

I've been scratching my head on this issue the past few weeks. I've been searching but can't find the answer I want. Maybe I'm just bad at searching though. In any case, any feedback on this issue is ...
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0answers
17 views

Pfsense Openpvn and Vmware issue

Here is my network: Client --- WAN --- PfSense(VMWare) --- LAN --- vSwitch (Promiscuous) \--- ESXi Management (192.168.2.1) ...
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1answer
39 views

Unable to ping between ESXi host and Netapp storage on the same switch

I am unable to ping between ESXi host and Netapp controller that are both connected on the same switch and configured for private IP addresses. Yet I CAN ping between 2 Esxi hosts and between 2 ...
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2answers
53 views

ESXi PCI passthrough on HP DL360 G5

I am running ESXi 5.5 on a DL360 G5 and the option for PCI passthrough shows 'Host does not support passthrough configuration'. I have enabled VT in the BIOS under processor options and I have x64 ...
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1answer
32 views

VMWare, esxi, vsphere, bare-metal [closed]

I would like to run multiple desktops simultaneously on the esxi without having to connect from another computer via vsphere. Can the be done straight on esxi? Or would I have to install workstation ...
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0answers
17 views

“A virtual machine fails to power on with the error: Thin/TBZ disks cannot be opened in multiwriter mode” - after disk size change in client

I tried to increase the size of my clustered virtual disk (2 vms) though the vSphere client. Big mistake apparently. Now when I attempt to start the vms, I get "A virtual machine fails to power on ...
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2answers
799 views

Is running permanently in a VMWare snapshot bad for performance?

I understand that the VMWare KB frowns upon long running snapshots mainly due to two things (In my opinion) Taking tons of snapshots can fill up the data store. Snapshots are simply delta files. ...
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1answer
227 views

Reusing a drive from an array

I read the question here Reusing Raid 5 Drive? but I'm not sure it applies 100% to my situation. What is the standard practice when removing a drive from an array to use as a spare for another array? ...
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1answer
58 views

VMWare Tools. How often to update and how to handle it?

We have about 8 ESXi Servers (5.5) and about 100 VMs. I always try to keep the ESXi Servers up to date with the vmware patches. This seems to work more or less well for me. Sometimes i need some weeks ...
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2answers
191 views

VMWare distributed switch, VMs from different hosts cannot ping one another

I am using ESXi 5.1 in the hosts, I have setup a distributed switch with corresponding uplink and port groups. When migrating to distributed switch, it seems that VMs from the same host can ping one ...
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3answers
136 views

How can I fix Purple Screen of Death for ESX 5.5?

I have a ESX 5.5 installed on my HP Proliant DL 180 G6 with a configuration of 8X Intel(R) Xeon(R) CPU E5540 @ 2.53GHz, 24 Gb RAM. Recently the server has crashed four times, showing the Purple ...
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1answer
66 views

What will happen if I install a 2-processor-licence on a 4-processor server with ESXi 5.5U2?

For I new setup I bought a Essentials Plus package for ESXi 5.5U2. This contains (according to the activation details): Three ESXi licenses for 2-socket-servers One vCenter license My ...
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2answers
39 views

cannot migrate from vswitch to distributed switch with only one physical NIC

I am trying to migrate vmkernel management interface from vswitch0 to vDS on ESXi 5.1 as lots of documents on the internet are describing , but it keeps disconnecting me and reverting the changes ...
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1answer
90 views

VMware ESXi: dynamic registration in DNS fails

I installed an ESXi server 5.5 in our test lab. Everything runs fine, the VMs I host on the server are able to do dhcp and get registered in the DNS. But I am unable to register the ESXi host itself. ...
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0answers
16 views

VMware CLI cannot seem to find where to create VM?

I have installed VMware CLI 5.5 on a CentOS box to bash-script VM functions, including creating VMs. I can not find the right command to create a VM. Has anyone created a VM using esxcfg or ...
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1answer
167 views

Adding a local HDD to an ESXi host

I am trying to add a 4TB HDD to my ESXi server, but I can't find out how. I've tried following a few tutorials on the internet, which say to go to the configuration tab, storage, rescan the datastores ...
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1answer
69 views

1 Public IP 1 NIC ESXi to multipule VMs (with external access)

So I have purchased a Server from https://www.kimsufi.com/fr/index.xml, KS-5A to be exact. Kimsufi only give you 1 Public IP address and 1 NIC to work with, and you cannot purchase more. I have ...
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1answer
82 views

Need to move VM to another host with different cpu

I currently have a VM configured with CPU 1 socket & 8 cores per socket. I need to move this VM to another ESXi 5.5 host which has 2 CPU sockets with 6 cores per socket. Will I will able to run ...
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2answers
81 views

Adding additional disks to HP P2000 SAS Storage

We have a 12 bay HP P2000 SAS Enclosure with 6 drives on RAID 5 installed. The drives are configured as 2 separate DataStores for a VMWare vSphere ESXi setup. Now we want to add: 6 additional ...
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1answer
26 views

vSphere vApp IP address configuration. How does vApp really work?

I have a pool of ESXi-5.5.0 servers that I have configured a single vApp on. This vApp is configured in transient mode to configure IP addresses from an IP pool I specified. I assigned a single ...
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2answers
52 views

Simulate WAN / Route Between 2 Virtual networks (Vmware)

i am in the process of doing some Labs on VMWARE ESXI 5.5, i am currently testing replication between 2 AD sites, i have set up Site A containing 2 DC's and want to setup Site B Contains 2 DC's as ...
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2answers
73 views

Virtualized Storage for other VMs on ESXi host [duplicate]

This question is two fold. Part 1: Is it a bad idea to virtualize a storage solution and run VMDKs off of that as opposed to the original VMFS datastore. Essentially lets assume I have 2 TB worth ...
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3answers
103 views

Converting VMware VMs to Hyper-V

Our company is looking to try out Hyper-V as a server virtualization solution so I am looking for the most efficient way to test everything out safely. My plan is to make a snapshot backup of each of ...
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1answer
43 views

Prevent Guests in same vSwitch talking to one another

Long story short. I would like to prevent guests in the same vSwitch from communicating to one another. I am at a loss as to how to make this happen. Any ideas please? I have been reading on ...
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2answers
79 views

ESXi Hypervisor - Cannot get multiple VMs to connect to Internet

Pulling my hair for past few days over this. Can some VMWare ESXi expert help out? I recently decided to give ESXi 5.5 a try. Installed it, got connected through vSphere client, and created few ...
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1answer
106 views

PCI-DSS: Virtualization segmentation in ESXi environment

I have already asked this question over on Information Security but so far it has not garnered any comments. I am thinking perhaps it is more of a server infrastructure and configuration question, ...
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0answers
15 views

ssh server stops on ESXi 5.5 for no reason

I have a ESXi host that I have never been able to access via ssh. I have tried every tutorial I can find on enabling ssh via the command line and the vSphere client to no avail. I enable the ssh, ...
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1answer
71 views

attach existing vmdk to windows server without formatting

ESX: 5.5 OS: 2008r2 I recently lost the disk descriptor file on a .vmdk file. The .vmdk was not the boot drive rather a secondary hard drive (sql database unfortunately), I followed the procedure ...
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2answers
154 views

VMware Vmotion 5.1 fails at 51% , Between two identical new vmware servers

We've been trying to deloy two new CISCO UCS C220 M3S servers ESXi Hosts. the installation went smooth en perfectly. We added both servers in a ESXi (5.1 update 2) cluster. this to perform vmotion ...
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1answer
95 views

VMs on ESXi system, only able to use internal IPs

first off I am a bit of a network newb, I know the basics but that is about it. So I have a ESXi server running a few VMs. The set up is; -Master IP (controls the ESXi box) -Internet IP (for general ...
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0answers
38 views

What happens on an SQL Server when a snapshot is taken by VMWare?

Recently I saw in our SQL Server logs that a snapshot could not be taken at the specific time and he retried it later on. During that timespan we had a huge performance problem. Besides the SQL Server ...
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2answers
93 views

Vmware local users

I was trying to add local users to my esxi 5.5 cluster but there is no user and group option available, is windows authentication the only way to add users and groups. ...
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2answers
106 views

Intermittent host and VM connectivity on ESXi standalone

I have a standalone ESXi 5.5.0 b2143827. It is running on a Dell R710 with 144GB of RAM. It has approximately 20 VM's on it. Right now, I cannot get onto the console via the VMWare vSphere client or ...
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102 views

VMware ESXi extremely slow Virtual disk performance compared to RDM

I have a ESXi 5.5 server running with a FC SAN. The FC san is created using an openfiler OS with software RAID and exported with the qlatgt driver. Direct writes to this SAN when no VMFS is used work ...
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1answer
120 views

How to solve performance problems with VMware ESXi 5.5 on old Dell PowerEdge 2900 hardware [closed]

I have a couple of old Dell PowerEdge 2900 servers that have come free and I would like to use them to host a mail server cluster. They are a bit old, but have been running workhorses for a while, ...
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1answer
47 views

VM's share disk images

The current situation is this: 1x ESXi 4.1 host with: 1x VM: main win2k8 server (hostname: fs01) physical disk 1 (250GB) -> datastore 1 (200GB) -> vmdisk with OS of VM's physical ...
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1answer
83 views

Convert VMWare VM version 10 to 9 on same data store

Recently two VM's were accidentally converted to Version 10 requiring the vSphere web client but I would like to use the vSphere client. I would like to use VMware converter to convert them back to ...
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1answer
94 views

VMWare: Are long running snapshots really THAT bad?

This is ESXi 5.5. I know that the VMWare KB is very against long running snapshots, however I do not know of another way to do this. Let's say I have a base Linux system and want to spin up a unique ...