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Questions tagged [vmware-esx]

VMware ESX is an enterprise-level computer virtualization product offered by VMware, Inc.

VMware ESX is an enterprise-level computer virtualization product offered by VMware, Inc. ESX is a component of VMware's larger offering, VMware Infrastructure, and adds management and reliability services to the core server product. VMware is replacing the original ESX with ESXi.

VMware states that the ESX product runs on bare metal. In contrast to other VMware products, it does not run atop a third-party operating system, but instead includes its own kernel. Up through the current ESX version 5.0, a Linux kernel is started first, and is used to load a variety of specialized virtualization components, including VMware's vmkernel component. This previously-booted Linux kernel then becomes the first running virtual machine and is called the service console. Thus, at normal run-time, the vmkernel is running on the bare computer and the Linux-based service console runs as the first virtual machine.

Source: wikipedia

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Where are iSCSI and volume information location on ESX 4.0?

Let me start by saying I am somewhat of a Vmware novice, I know just enought to manage and create servers at a basic level from the vSphere client. I have a VMWare server, ESX 4.0 connected over iSCSI to a SAN. The SAN is being used as storage for…
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P2V -- choosing the right servers, baselining

first I'd like to say I'm relatively new to this site. Wow.. This is AWESOME! My very first question pertains to virtualization. We are a trading firm that relies heavily on low-latency networking and high-performance computing, mainly running SQL.…
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Since I migrated vCenter to 5.1, some vms are migrating again and again

Yesterday I upgraded my vCenter to the last version 5.1 and I had to reconnect the hosts (running esx 5.0, last patches) Since I migrated, 5 vms (always the same) are vMotionned from host to host and when it's done it vMotions again to another…
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Is it possible to copy a (.ISO) file that lives on an NTFS file-system within a VMDK file to the datastore VMFS using ESX SSH terminal?

I have several .ISO DVD backup files stored on a virtualized Win2008 server. Is there a simple way to mount the NTFS partition stored in a VMDK file using the ESX SSH terminal so that I can copy it directly to the datastore VMFS or must I SFTP the…
user72003
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Why can't I resize some virtual thick disks in VMWhare vSphere Client

Let me start off by mentioning I am really really new to this whole VMWare ESX/vSphere thing, so apologies if this is a FAQ or asked a million times before using better wording. Also, please correct me if I'm using the wrong terms all over the…
Paul-Jan
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Cannot resize an ntfs (Windows Server 2k3r2) boot partition booting from gparted

I am trying to use gparted to make my ntfs system/boot partition larger. I expanded the disk in ESX, providing an extra 60 GB or so of free space. I confirmed that this free space is available in gparted: However, when I try to go to "Move/Resize"…
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VMware ESXi 3.5 HP Proliant DL380 G4 reduce fan noise

I've set up VMware ESXi v3.5 on an HP Proliant DL380 G4, and I'd like a way to reduce the fan noise. Under Health status, I see the following: Is this normal? I've read about there being a Fan component as well. Is there a firmware/BIOS update…
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Hardening Virtual Machine

I have a CentOS based product I'm looking to distribute it as a virtual machine (VMWare, XEN and KVM) and I have been lately assessing the steps needed to protect the VM. The VM's data shouldn't be accessible to anyone other than authorized people…
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Can an ESX server under heavy load cause cpu spikes on guest VM's?

So we have a number of vm's running on an ESX 4.1 server for product testing. The ESX Server is at times under heavy load. We've been experiencing high CPU levels during some use cases, but we can't always duplicate this. If the ESX server as a…
UnknownUnknowns
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How should I filter my VMWare Logs? What should I search for? What should I exclude?

My VMWare logs are full of SSL errors and some other things that appear less than important. (e.g. SSL Errors from the admin console) What is the best way to extract valuable information from these logs, in hopes of providing better/more reliable…
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How to change the Service Console subnet on an ESX cluster?

We have an existing VMware ESX 3.5 cluster (6 hosts, VI 2.5) and need to move the service consoles to a new subnet. We would like to do this without downtime for the VMs. In my previous experiments I've found that the cluster network constraint…
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How do I verify that my CentOS Guest on a VMWare ESX Host is Using the vmware tools network driver?

I can verify that vmware tools is running with /etc/init.d/vmware-tools status, but how can I verify that the vmware-tools network driver is being used by my CentOS guest? The host is VMWare ESX 4.1 Perhaps I need to look for something in lsmod? I…
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VMWare Thick Provisioned and Thin Provisioned format

I am importing VMWare images to create new virtual machines. I always choose Thick Provisioned format because I doubt there could be performance hit if I use thick provisioned format. If I use thin provisioned format, could it affect the performance…
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Should be Vmware vCenter server high available?

We're thinking about getting the vmware suite (VMware vSphere 4.1 Essentials Plus Kit). What I would like to know, if the vCenter Server is critical for High Availability feature. 1) Is cluster functional even if vCenter Server crashes? Are the VM…
John
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How to get FusionIO card to be recognized by VMware ESXi?

I am working on a new IBM Bladecenter setup with a few blades that have the 320GB FusionIO cards. I have high hopes that they will be super speedy for a few VMs running Oracle or some sort of database. My question is this: I want to install 3 vms on…
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