vSphere is an enterprise level virtualization solution. vSphere, or ESX 4.0, is VMware's final incrementation of the ESX hypervisor.

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Are VMware ESXi 5 patches cumulative?

This seems basic, but I'm confused about the patching strategy involved with manually updating standalone VMware ESXi hosts. The VMware vSphere blog attempts to explain this, but the actual process is ...
40
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2answers
2k views

vSphere education - What are the downsides of configuring VMs with *too* much RAM?

VMware memory management seems to be a tricky balancing act. With cluster RAM, Resource Pools, VMware's management techniques (TPS, ballooning, host swapping), in-guest RAM utilization, swapping, ...
6
votes
10answers
2k views

Server health monitoring software [closed]

Hey all! I am looking for some software to monitor the health status of our servers. Our environment is a pretty typical mix of HP/Dell running Microsoft Server and VMware vSphere. We are currently ...
5
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3answers
2k views

Reboot Virtual Machine every 20 minutes

We need to be able to create a way to reboot virtual machines in the lab every 20 minutes automatically. Is there any way this can be done in vSphere 5?
4
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2answers
2k views

PowerChute for VMware ESX4

I am looking for a free way of installing PowerChute for VMWare. The 2.2.3 and 2.2.4 Linux versions do not support VMWare ESX even though I think prior versions did. APC is now charging $100 for ...
6
votes
1answer
979 views

No space left on device — but there is space

I'm running an Ubuntu 12.04.1 server in a VMware virtualized environment that has a strange issue. Twice now, at seemingly random times, the machine has suddenly been unable to write to the root ...
11
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2answers
2k views

VMware Distributed vSwitches (VDS) - Design, theory, *real* use cases and examples?

I'm starting to explore VMware Distributed Switches (dvSwitches or VDS) for use in existing and new installations. Assume VMware version 5.1 and newer with Enterprise Plus licensing. Prior to this, ...
4
votes
3answers
7k views

Monitor ESXi hosts with Nagios

Does anyone recommend any methods for monitoring ESXi 4.1 hosts with Nagios? I have looked into SNMP but it seems to be in a pretty sorry state. Net-SNMP does not seem to be included and there is a ...
8
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2answers
8k views

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 ...
7
votes
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 ...
1
vote
1answer
335 views

Identify disks in vCenter to partitions in Linux guest

What I am trying to accomplish is to correlate hard drive in vCenter to the disks in the Linux guest. So here it goes Opening up settings for the guest in vCenter and moving to hardware tab, shows ...
1
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2answers
250 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 ...
1
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5answers
579 views

vSwitch configuration with 12 uplinks

I have been doing a lot of research on vSwitch configurations, but I think I am more confused now after all of the reading that I have done. So here is my situation 3 ESX Hosts (12 nics each), 1 ...
1
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2answers
17k views

How to export a VMWare ESXi 5 VM into a file to restore it later?

As I've bought a server it had a RAID controlleer which was not supported by VMWare ESXi 5, so I had to install it in a bare non-RAID configuration. Now as I've bought a supported RAID controller I am ...
21
votes
6answers
6k views

Why are snapshots considered as temporary backups not real backups?

I am using VMware ESXi. In our team we use to provide snapshots for long term backup. Then we faced issues like memory spillover and the server got hang up. I started reading in VMware knowledgebase ...
13
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1answer
871 views

How to crack the 1 Gbit iSCSI limit between ESXi and VNXe

I'm having big troubles with my iSCSI network and can't seem to get it working as fast as it could. So I've tried pretty much everything to gain full performance from my SAN, having involved ...
5
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1answer
722 views

“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 ...
6
votes
2answers
232 views

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 ...
6
votes
3answers
7k views

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 ...
4
votes
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 ...
2
votes
2answers
327 views

How can I automatically create/control VMs using vsphere?

Is it possible to automatically create virtual machines using vSphere / ESXi? How would I go about doing that? I have a script to automatically create + install windows on a VM using VirtualBox. It ...
7
votes
2answers
489 views

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 ...
4
votes
1answer
769 views

Should VMware HA Admission Control be enabled for small (2/3-host) clusters?

Take the following common scenario... A basic vSphere cluster running two or three hosts, shared storage and a token set of virtual machines under Essentials Plus or greater licensing. Should HA ...
3
votes
1answer
6k views

Why are virtual machines on vSphere 5.0 suddenly suspended?

We just got our vSphere 5.0 and vCenter Server 5.0 configuration working with several VMS. These are the vms. Jenkins appliance. vCenter Server Appliance Windows7x64 Windows7x64-1 Windows7x64-2 ...
3
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1answer
675 views

Extremely poor performance with VMWare hosted build server

We are running TeamCity on a Windows Server 2008 as a build server. The build server is hosted in VMWare ESXi 5. (I have very little VMWare experience so my terminology might be wrong). When we start ...
3
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2answers
782 views

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 ...
3
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2answers
796 views

Are there any benefits to using a Distributed vSwitch for iSCSI?

I am designing our vSphere farm - we'll be migrating from ESX 3.5 to 4.1. I plan to set up a new farm using ESXi 4.1, and move the Virtual Machines on the 3.5 farm into it by shutdown, then import. ...
3
votes
3answers
6k views

What's using all my memory?

SOLUTION: There's a lot of stuff to read in this thread, so i'll just summarize here to help. The problem is the VMWare ESX balloon driver which "inflates" the amount of memory "in use" that ...
1
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2answers
460 views

VMware vsphere essentials plus network cabling

I'm not sure how many NICs I need to use to have vmotion support with my SAN. See the link for a picture, it's laughably crude. Sketch
1
vote
1answer
4k views

vSphere Virtual Machine is orphaned

I have a problem. My vSphere 4 host virtual machine is powered on, but is not accessible via the network (I don't know what is wrong with it, for reasons that will soon become clear). Because my ...
0
votes
1answer
719 views

VMware ESXi/vSphere Fault Tolerance vCPU Limit

So I am aware that VMs in FT mode are limited to a single vCPU. Is it possible to assign multiple cores to the single vCPU, and still have the VM support FT mode? Or are you forced to use both a vCPU ...
0
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1answer
408 views

How can I connect two virtual machines in vSphere ESXi 4.1?

There is documentation available for version 5 (I am running 4.1 per the title), but following the directions raises the error: Incompatible device backing specified for device '0'. upon ...
0
votes
1answer
451 views

Virtual pfSense Appliance on VMWare Host

I am having some issues setting up the WAN side of pfSense. I have ordered a dedicated box through a hosting service with ESXi loaded on it. Along with that I have 3 public IP addresses that will ...
0
votes
1answer
1k views

ESXi 4.0 with one public IP

Hello I've been trying to get this server working but so far no luck. I have an ESXi v4 server collocate where I'm being supplied one public IP. By default the management interface is attached to ...
-1
votes
1answer
4k 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.