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

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Can you use a USB hard drive in ESXI?

I know that you can install ESXi 4.0 on a thumbdrive, but I was wondering if you could plug in an external harddrive to give extra storage to one of your VMs? We run a fileserver inside of ESXi that ...
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VMware ESXi - vSphere - Can't exit VM console access

I'm running ESXi 4.1 on a Dell T110 Server I connect to ESXi using vSphere vSphere is running inside a Windows 7 VM The Windows 7 VM is running in VMware Fusion on my Mac OS X system When I'm in ...
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Choosing between VMWare ESX and ESXi

We currently run one instance of VMWare ESX server, but want to start virtualizing more physical hardware with VMWare, while keeping the cost of VMWare licensing as low as possible. Is ESXi a good ...
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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 # (invalid)...
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Best practice for 24 Disk Array

we have just migrated for our old fibre SAN storage to an IBM v3700 storwize with 24 SAS 600GB disks. This storage is connected directly to two IBM ESXi 5.5 servers each with two 6Gbps multipath SAS ...
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“Unballooning” RAM that's been ballooned by VMware

Given the constrained RAM situation described in this question, what is the cleanest method (manual or programmatically) to: Identify VMware virtual machines whose RAM has been reclaimed by the ...
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VMware VMFS5 and LUN sizing - multiple smaller datastores, or 1 big datastore?

With VMFS5 no longer having the 2TB limit for a VMFS volume, I'm considering which scenario would be more beneficial overall:- Less LUNs of larger size, or More LUNs of smaller size. In my case, I ...
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Are there any notable advantages (or disadvantages) to using EFI firmware and GPT boot disks in an ESXi environment?

My basic question is, as the title asks: are there any notable advantages (or disadvantages) to using EFI firmware and GPT boot disks in an ESXi environment? By "notable," I mean anything other than ...
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Is there a way to view an HP ProLiant server IML log from within ESXi?

I'm investigating a system outage on an HP ProLiant DL360 G7 server running VMware ESXi 5.1. While I'm a huge advocate of installing the HP-specific management agents for ESXi or using the ...
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ESXcli command timeout at 30 minutes

I am working on a powercli script to loop through each datastore in our environment and reclaim space on the thin provisioned LUNs. All LUNs in the environment are Dell Equal Logic. vCenter ...
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Why don't people just use rsync to back up vmware guests?

If I am running a modern vmware ESXi system, I can drop in a statically linked rsync binary and rsync files to any destination over SSH. I'm trying to understand why most (all ?) backup of vmware ...
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Disk shrink does not work on ESXi guests

EHLO everyone! My first post on the StackOverflow network :) We're running some ESXi 5.0/vCenter infrastructure to host mainly Debian 6/amd64 guest systems with ext3 partitions and open-vm-tools ...
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How can I get an email alert when RAID array is degraded? VMware ESXi 5.0, MegaRAID SAS 9260-4i

We have recently bought a "white box" server to run VMware ESXi 5.0 (we're planning to use the vSphere 5 Essentials Kit). According to VMware's Compatibility Guide, the server's LSI Logic MegaRAID SAS ...
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VMware ESXi SSD on RAID showing as non-ssd

I am replacing a KVM server with a ESXi server. I just installed ESXi 5.5u1 and added a data store. The new server has 4 SSD drives in RAID 6 using hardware RAID. When I added the data store VMware ...
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ESXi and Windows Server CPU parking

For those that don't know, CPU parking is a feature in recent Windows Server releases that allows Windows to pretty much drop a CPU core to zero use, and having nothing use it. It's been introduced as ...
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Enabling VMware EVC on Westmere E5645 CPU only accepts “Nehalem” mode

Take the following system, a Supermicro VMware ESXi host with Intel Westmere E5645 CPUs. Part of our deployment process is to set the appropriate Enhanced vMotion Capability (EVC) level for the ...
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How can we remotely monitor VMware ESXI?

We have VMware ESXi on several servers, how can we remotely monitor for problems with hard drives, RAM, power supply or network cards?
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Implications of using VMware's templating and cloning for provisioning Linux servers instead of PXE

There seems to be speed benefits when using VMware's templates to create new VMs. However, I'm concerned about possible less obvious security and flexibility implications. For e.g.: First boot ...
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VMware vSphere cluster design for site redundancy

I have a question about the best design for site redudancy when using vSphere clusters. A bit of background info about our situation first though. We are a medium-sized company with two main offices,...
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Symantec Endpoint Protection ( SEP / SEPM ) traffic volume management

My organization has a large deployment of Symantec Endpoint Protection (SEP) (~20k clients) with a single SEPM instance running in an ESX VM. We do have many remote clients designated as Group Update ...
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VMWare vCenter/ESXi with FreeIPA instead of Active Directory?

Can vCenter authenticate against FreeIPA instead of Active Directory? If so, how would you set it up? We have a pure Linux environment (CentOS) and need to have vCenter and our VM's have the same ...
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How much memory does ESXi require for itself?

I know that Microsoft suggests that you leave 1GB of memory for the parent partition on a Hyper-V server. Does VMware have a similar suggestion?
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What are the most important aspects to consider when choosing a SAN for a small office virtualization project?

I am in the process of consolidating 6 physical servers running 6 different operating system flavors (don't ask) into two identical physical servers (Dell PowerEdge 2900), using the free VMware ESXi 4....
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Monitor DELL hardware on VMware ESXi 5.5 server

Despite researching this topic quite a bit online (to be fair I'm not a full time sysadmin) I'm unable to figure this out. We have a bunch of VMWare ESXi 5.5 servers, some of which are integrated ...
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vmware esxi 5, cant create snapshots and consolidate fails, how to delete old or consolidate redo logs?

I have a VM that seems to be working ok, but when VMWare DR (or I) tries to create a snap shot, it fails, and when I view the summary page of the VM it has a warning at the top showing that the disks ...
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Default Bios Options for ESXi Virtual Machine

Does anyone know of a way to set the default bios options of a virtual machine in ESX1 (4.1). Every time I create a new VM, I need to go into the bios and set the Num Lock in the bios. I was hoping ...
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iSCSI design options for 10GbE VMware distributed switches? MPIO vs. LACP

I'm working on expanding the storage backend for several VMware vSphere 5.5 and 6.0 clusters at my datacenter. I've primarily used NFS datastores throughout my VMware experience (Solaris ZFS, Isilon, ...
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Does a nested ESXi lab need a trunk port group?

I'm following this guide in setting up a nested ESXi 5 lab on a single box. It has you create 4 ports for each virtual ESXi box, 1 on VMNetwork and 3 on a Trunk port group. It says you need to do this ...
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ARP reply vanishes from br0 to tap0 using OpenVPN in bridging mode

I have setup a linux box (on an esxi5) which acts as an OpenVPN server. the server is configured to use bridging for the clients, which essentially works, with one exception. If the client pings some ...
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Any opensource equivalent of virtual center?

We got 10 ESXi hosts running. We don't have budget for Virtual center licenses. Is there some free tool that just gives us consolidated view of all VMs with poweroff and poweron options for each VM.We ...
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VMXNET3 receive buffer sizing and memory usage

Background We had an incident where a Windows failover cluster suffered an interruption. A post-mortem showed that the node was "removed" as described in this article. We've only recently migrated ...
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User permission requirements to log into vSphere Client for iPad and vCenter Mobile Access

I was just wondering what the minimum permission requirements for a user for to be able to log into the vSphere Client for iPad and vCenter Mobile Access. The clients are connecting to a plain ESXi ...
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Should i go native or with ESXi server?

At this moment, my server is a plain 64-bit amd, running windows 2003. I wanted to run another virtualized OS on top of it using virtualbox. Then I saw that vmware ESXi is free! I always ignored that ...
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Which Linux-Virtualization to choose for Server?

Hy, I got a brand new Intel i7 Server-System with 12GB Ram and I want to consolidate three other linux-servers onto this machine using virtualization. I want to use the harddisks (via a kind of LVM) ...
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Can a VM perform better when only two cores instead of four cores are presented to it?

We had a VMWare VM at work with two cores allocated to it that ran a pretty heinous process in IIS. Under load the process was maxing out the CPU usage on both cores, so we asked our system engineers ...
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Monitoring VMware ESXi (free) vs. vSphere

I have two hosts running the free ESXi hypervisor. However, we use Nagios for monitoring, and I've received conflicting information about how we should monitor these systems. Are my findings below ...
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Can I add an ESXi host to more than one vCenter server?

I have a situation where I need to add a host to two vCenter servers. The vCenter servers are divided into two different networks and are not in a linked mode i.e. the other vCenter server belongs to ...
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RAID 10 or RAID 5 for multiple VMs - what is the best choice?

I have just ordered a new rig for my business. We do a lot of software development for Microsoft SharePoint and need the rig to run several virtual machines for development and test purposes. We will ...
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ESXi standalone host cannot power on any virtual machines

I have a standalone VMWare ESXi host on ESXi 5.1. It currently has a handful of VMs powered on, and they are running fine. If I try to power on any other VM - any VM at all - I am receiving the ...
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Is it possible to deploy VMware vSphere 5.5 without Windows?

I ran into an interesting client requirement recently. I needed to perform a greenfield deployment of VMware vSphere 5.5. This was to use the Linux-based VMware vCenter Server Appliance (vCSA)... The ...
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VMWare vSphere and the move from ESX to ESXi

I was working on a standalone ESX 3.5 system last night in order to upgrade to vSphere 4.1u1. I realized that the full ESX download had been deemphasized on the VMWare website. While I've known that ...
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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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Pass through public IP addresses to pfSense

I have a server in my datacenter that has multiple publicly routed IP addresses, and I'm now running ESXi to manage it. Before, I had some VMs running under the host that created a network: inet ...
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How is the /altbootbank/ partition used in ESXi?

I'm aware that ESXi maintains two copies of its boot partition, /bootbank and /altbootbank, and that /altbootbank is more or less a backup copy of /bootbank, which is the running copy. What I'm not ...
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How do you passthrough native SATA drives to a guest on ESXi?

I have ESXi 4.0 running on an Intel DX58S0 Mothboardboard with an Intel Core i7 930 processor. VT-d is also enabled. I have three drives in the system, drive 0 is used for ESXi. Drive 1 and 2 ...
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BUG CONFIRMED: No performance data for VMXNET3 in ESXi 6.0?

Did ESXi 6.0 completely removed the performance data for VMXNET3 or is there is a way, how can enable throughput logging/graphing for VMXNET3? In ESXi 5.5 the ESXi client showed the network ...
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How can I confirm if my vmxnet driver is installed on my CentOS server?

I have an appliance running CentOS 5.x on VMWare ESX. Quite recently I upgraded it to a newer version of CentOS (still in 5.x) and I noticed that the network card wouldn't initialize. If I run ...
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Moving ESXi installation to USB key

What's the best way to move a VMware ESXi 4.1 installation from a harddrive to a usb memory? I'm planning to install a fresh VMware ESXi on the usb key, boot it up, and then somehow transfer the ...
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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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ESXi 5 Guests will not boot

I have a problem with Guests not booting under VMWare ESXi 5.0 on my IBM x3550M3 server. Note: Investigation eventually determined that problem was with the VMware client on a Lenovo Edge laptop, the ...