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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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Is paravirtualization evil?

I have an VMWare ESX Server v3.5 with a few virtualized Debian Lenny VMs (kernel 2.6.22 with vmi) running Apache Tomcat 5.5. I enabled paravirtualization, and Disk IO increased from about 240MB/s to 380MB/s, making me a happy admin. The problem now…
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Connect to ESX Server with vSphere using Port Forwarding

I have an ESX server that I am trying to connect to. I have no way to access it currently other than using some sort of port forwarding. So I am doing it with SSH. I am reaching the other end and have confidence in my port forwarding because if I…
Kyle Brandt
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VMware Virtual Machine Clustered Filesystem Setup

The situation is: I am running VMware ESX 3.5 (3 ESX Hosts w/ vCenter Server in a Cluster); I need five Virtual Machines to read from the same disk running a clustered file system; I cannot replicate data for each Virtual Machine due to capacity;…
Antitribu
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How would you apply a BIOS update for a Dell M610 blade with VMware ESXi installed?

We've got a Dell M610 blade with VMware ESXi 4 installed and we need to update it's BIOS to the latest version. Unfortunately, Dell only makes available a Windows (.exe) and Linux (.bin) versions of the BIOS update program (as well as a bootable DOS…
Guamaniac
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howto plan RAID for ESX

eight 300GB SAS drives are available. Can ESX be put on one disk as RAID-0 and others as RAID-5 ? so that in the event of disk failure data (VMs) are safe. if os disk RAID-0 fails could that be installed on replacement disk and still be able to keep…
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Setup redundant iSCSI network with 2 switches, SAN and ESX

I am in the process of re-doing the iSCSI network at my work. We currently have the following equipment: 1x Dell PowerConnect 6224 switch 1x Dell PowerVault MD3000 SAN connected to 2x Dell PowerEdge 1950 servers providing iSCSI 1x Dell PowerVault…
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Slow Read/Write Performance over iSCSI SAN

This is a new setup of ESXi 4.0 running VMs off of a Cybernetics miSAN D iSCSI SAN. Doing a high data read test on a VM, it took 8 minutes vs 1.5 minutes on the the same VM located on a slower VMWare Server 1.0 Host with the VMs located on local…
alapierre
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How to speed up file copying onto a VMWare virtual server?

One of the sites I work at uses VMWare virtual servers. For the most part they work very well, but copying large files onto them from other places on the network is very slow. By large files I mean around 4GB in size (which isn't actually that big…
codeulike
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esxi vmdk out of disk space

One of our highly utilized vm is giving the error that there is no more space for the the vmdk shown in the following image. The VM won't start because of this issue, so I'm not able to delete data from the volume at OS level. The virtual machine…
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Anyone using VTL for backups?

I would like to know if VTL is really a valid option nowadays? Is anyone here using it and why actually? Does it have any benefits compared to a regular server stuffed with SATA drives in RAID6/10? Let me explain my curiosity: Our environment…
Net Runner
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SQL server in VMware

Please provide your tips and best practices for virtualizing SQL Server in VMWare ESX I am interested in advanced configurations and settings. Please provide reasoning behind your recommendations Edit: Just to clarify, I already have over 70…
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SNMP OID for VMware Tools on a virtual machine

I have an ESXi host running several VMs. I use snmp to query that host for information. I need to find if VMware Tools is installed on some virtual machine. Is that possible? and If so, which OID is it? In the documentation there are some entries…
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vCenter Cluster CPU utilisation data inaccurate

We have quite a reasonably sized vSphere 'estate', with 80% of our Windows/Linux servers virtualised, running across six Datacentres. One of my challenges is medium to long term capacity planning, ensuring I get enough money into the annual Capex…
Simon Catlin
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Networking with VMware, physical adapters and iSCSI

New VMware user here, setting up my first environment. I have an ESXi host that has four physical NiCs (NiC0, NiC1, NiC2, NiC3). I have installed ESXi, the VCVA appliance, and several VMs successfully. They are connected to the local storage…
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Is vSphere Web Client (Server) available on linux?

Is vSphere Web Client (Server) available on linux? Based on vSphere 5 Documentation Center it seems to me that only Windows platform is supported. It would be great not to run Windows in VirtualBox to manage our virtual machines.
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