vSphere is an enterprise level virtualization solution. It acts as the cloud computing OS managing a set of VMware ESXi-based hosts.

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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 ...
49
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2answers
4k 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
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10answers
3k 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 ...
9
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1answer
6k 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
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1answer
2k 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 ...
5
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3answers
4k 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?
3
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3answers
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 ...
5
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4answers
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Transfer large amount of small files

I've to do a migration of two servers with large SAN attachments to our new VMWare environment. EDIT: I have to supply some additional intelligence as I have good answers regarding VMWare solution. ...
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5answers
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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 ...
12
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2answers
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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, ...
13
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2answers
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How to manage a global VM startup order across the whole datacenter?

Suppose you have a fully virtualized VMware infrastructure: ESXi, vCenter, vMotion, HA, DRS, the whole package. Inside, you have lots of VMs, which at any given time may reside on one host or another ...
5
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3answers
8k 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 ...
9
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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 ...
8
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2answers
13k 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 ...
6
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5answers
13k views

How do I delete ESXi vm snapshots using the least additional space possible?

We have a tree of about 15 snapshots of a virtual machine that runs Win2k8, as you may guessed our datastore is soon to run out of space. My objective is to delete all the snapshots, as it seems it ...
2
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1answer
2k 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 ...
5
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1answer
2k 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 ...
1
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2answers
467 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 ...
4
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2answers
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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 ...
0
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0answers
31 views

unable to upgrade fom powercli 5.5 u1 to 5.5 u2 , as i am getting the following message "Installation cannot continue.. ,

I have Powercli version 5.5 release 1. and I want to upgrade it to 5.5 release 2 build 2068190. so I try installing Powercli 5.5 u2, and during the installation I faced this problem :- Although I ...
24
votes
6answers
9k 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 ...
14
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3answers
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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 ...
6
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1answer
2k views

Issues customizing a RHEL7 VM deployed from a template on VMware

In compliance with VMWare's VM customization matrix, I am testing this out on vSphere 5.5 Update 2d. I create the template with a RHEL 7.1 DVD and point anaconda to a kickstart that looks like this: ...
11
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3answers
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Find all virtual machines with ballooned or swapped RAM in VMware cluster?

If I were to look at a vSphere cluster or resource pool and see a certain level of memory ballooning or swapping, how do I identify which VMs are affected? I know what to do with them once I find them ...
7
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2answers
3k 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 ...
3
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3answers
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How can I deploy template-based VM from Linux?

We are trying to provide our Linux engineers with a CLI to deploy VMWare vSphere VMs using templates. The vSphere CLI looks promising but the documentation doesn't mention templates. Does anyone ...
6
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3answers
27k 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 ...
5
votes
4answers
3k views

vCPU performance between 1 or 2 vCPU's

Within virtualisation (Predominantly VMware) is there a performance advantage using either 1 CPU with 4 cores or 2 CPU's with 2 cores? Let's assume the application running on a VM can use two CPU's.
5
votes
2answers
11k views

How does VMware vCenter Server work and what are the benefits over vsphere client

I bought vSphere Essentials which I've installed on 2 physical machines, and set up the servers using vSphere client. This part is working well, and there is 1 VM on each ESXi install (esxi 5.0.0) ...
4
votes
2answers
3k 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 ...
3
votes
3answers
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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 ...
2
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2answers
535 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
519 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
2answers
251 views

Does vSphere client restrict the number of cores for VMs?

We just installed it on our new server and have found that using the vSphere client we cannot create a virtual machine with more than 32 cores (Our host has 64). Is this normal behaviour? We haven't ...
3
votes
1answer
9k 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
1k 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
855 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
votes
2answers
972 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. ...
2
votes
2answers
553 views

Can't use ctrl+c to kill process in VM

We are running several RHEL 6 64-bit VM's in a vBlock infrastructure using vCenter 5.5. If I open a console session through the vSphere web client the ctrl+c keystroke will not work. This is very ...
1
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2answers
165 views

VMWare NIC Teaming - How to gain more than 1Gbit/s copy speed between two VMs?

I have a question about VMware and NIC Teaming. Here is my easy test scenario. I have two VMs. VM1 and VM2. I want to copy 1 big file from VM1 to VM2 because I want to see that I can gain more copy ...
1
vote
2answers
525 views

Scripting VMWare ESXi from a linux server

I’m attempting to use the VMWare command line interface to mount a datastore ISO file in the CD/DVD drive of a virtual machine. An entry elsewhere on serverfault tells me that ‘vmware-cmd blabla.vmx ...
1
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2answers
462 views

Dell/Vmware - VIB/iDrac/OME/OMSA — how to tie them together?

I have vSphere Server with 2 Dell hosts (hypervisors) A: is a 710, with iDrac6 essentials. Vanilla VMware Esxi 5.1 install B: is a 720 with iDrac7 enterprise. Dell customized VMware Esxi 5.5 install ...
1
vote
2answers
385 views

Pros and cons of virtualization [closed]

I'm aware of many questions here discussing similar topic, but in this case, I'll try to be much more specific. One target scenario is small to mid-size ISV, the second scenario is an enterprise ...
1
vote
2answers
5k views

How do you migrate VMWare ESXi (free) installation and datastore to a new drive?

I have VMWare xSphere Hypervisor 4.1 or VMWare ESXi 4.1 installed on a hard drive (sorry VMWare's naming and renaming is killing me, I am using the free hypervisor, I am just going to call it ESXi ...
1
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1answer
248 views

Using a clone to upgrade a Virtual Machine

If I'm planning on upgrading a server application, what is a good way of getting network access, while preventing duplicate network names or other side effects? The current process I was going to try ...
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2answers
533 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
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2answers
2k views

Create new vms with a template with a csv. Possible?

I am new to Powershell and Powercli... but i manager few ESX environments and really would like to do as much as possible via powershell. I am trying to do as much as i can via Powershell. On with the ...
1
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1answer
5k 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
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1answer
78 views

Using PowerCLI Versus using asp.net WMI to scan and retrive informaion about ESX hosts

I want to scan and view information about ESX hosts which have "ESXi 5.0 Update 1" as their OS inside my asp.net web application. mainly to be able to retrieve the ESX specification and all the vms ...
0
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2answers
356 views

What is the benefit of vSphere Standard from free ESXi if vCenter Center is still sold separately?

I'm trying to understand what is what in their vSphere suite. So, ESXi has a free edition --- I can install it and use it with vSphere Web Client. But when I buy vSphere Standard --- what else do I ...