1
vote
2answers
91 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 ...
5
votes
3answers
206 views

Where to install ESXi so that all local drives are available to VSAN

I am currently setting up a new 3-host VSAN cluster that will be placed into production soon. (Note this is the newer "Virtual SAN" (VSAN) technology, not the older vSphere Storage Appliance (VSA) ...
1
vote
2answers
37 views

How should I package a VM template to be cloned repeatedly, along with a single large storage volume for all instances to share?

I have a number of VMs that were based on the same template, each with about 2GB of storage. They all share read-only access to a 50GB volume (currently via NFS, but that is up for negotiation). I ...
0
votes
1answer
103 views

Move big file from VM to host hypervisor in vmware vsphere

I have a big file (220G) I would like to move from a virtual machine to its host. The file is actually another virtual machine's disk file. for other smaller files, I would have done that with a ...
1
vote
2answers
156 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 ...
3
votes
2answers
115 views

Does it make sense to create a “private” host-only network or vSwitch for VM-only communication on a VMware vSphere host?

Currently I have one vSwitch with a few networks on it, which talk to other devices and use VLAN tags. I have Internet, Internal, Management (VMKernel), and WWW (LB pool). However, for things like SQL ...
0
votes
1answer
28 views

vCenter VUM version for my application

I have ESXI 5.1 u1 loaded on the three 520's in our VRTX. This is the latest version currently support by the Dell VRTX system. I am managing with version 5.5 of the vCenter appliance. My ...
6
votes
1answer
524 views

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 ...
0
votes
2answers
46 views

Managing several vcenter hosts from one vsphere window

I have a couple of VMware hosts, 4.x and 5.x, on different networks etc. Is it possible to manage them from one instance of vCenter (virtual appliance) 5.5.0? If so, where is the option to add them?
2
votes
1answer
45 views

Delays when contacting vSphere virtual machines

We using vSphere 5 to host over a dozen virtual servers and all are Windows 2008 R2 or newer. I'm experiencing a bad delay of a few seconds after a VM has been idle for a little while (may only be a ...
-1
votes
3answers
170 views

How Reliable is Virtualization when compared to dedicated Hardware?

In my organisation we have plenty of mission critical servers and currently there is a debate whether for critical servers we should use VMWare vSphere 5 or have a dedicated hardware? The perception ...
2
votes
1answer
172 views

VMWare vSphere 5.5 management interfaces unreachable

I've got a vSphere 5.5 Essentials Kit; One of the hosts, a Dell R410, is running vSphere 5.5 and as of yesterday it is unresponsive to any of the management tools. I've tried the following: Web ...
2
votes
0answers
46 views

Modify VM in OVA

I have an OVA that contains a vApp with 9 VMs inside. I need to make a change to the drive contents of one of the VMs in the OVA. The OVA takes a very long time to export from vSphere (24 hours). Is ...
0
votes
3answers
114 views

VMware Host needing ESXi 5.0 - Running on a 2008 R2 Host?

I have a VMWare image supplied by my Phone system provider which manages a contact management interface, they tell me that VMWare ESXi 5.0 is the highest supported host. I'm used to MS HyperV and ...
1
vote
1answer
86 views

(simple) linux HA with vmware vsphere?

I hope my upcoming question is specific enough, and you are able and willing to support :-) We have several openSUSE VMs in an ESX-Cluster (three ESX-Servers) with an attached iSCSI-SAN. All of ...
0
votes
1answer
74 views

What solutions are available for having a client boot straight into a Windows VDI?

I don't have much experience with enterprise level Virtual Desktop management (yet). I'm looking for a Microsoft solution if one exists, but all valid answers would be appreciated. The scenario is ...
0
votes
2answers
163 views

“Insufficient Resources” general system error when starting ESXi VM through Vsphere client

I'm trying to set up a CentOS installation on my ESXi host using VMware VSphere client, and despite my efforts, I continually receive an error. After creating the VM and attempting to start it for the ...
2
votes
0answers
88 views

Recompose a VMware vSphere machine without personal application data loss?

Our organization has converted a large percentage of our employees to VDI. Our logic is that we create a master image for each linked-clone pool, dedicate each linked-clone pool to specific purposes ...
37
votes
2answers
1k 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, ...
0
votes
1answer
173 views

deleting an inactive datastore under vSphere - dataloss?

So I had an inactive datastore listed on a blade server (I see the other disks on the internal SAS controller which is in an external diskshelf) besides my regular one. I deleted it, got the error ...
-2
votes
1answer
135 views

What time of virtual machine when using VMotion from host to another host?

Nomarlly, virtual machine get time from host, but when vsphere using VMotion to change virtual machine to new host. What's time of virtual machine when it in new host ? Old host time ? new host time ? ...
0
votes
1answer
325 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
4answers
110 views

Is vSphere the correct tool for setting up on-demand virtual machines? [closed]

Sorry for such a basic question but...I was wondering if vSphere is the correct tool to use for provisioning virtual machines to users? Basically, I have development and QA teams working on multiple ...
10
votes
4answers
10k views

Best Practice: vCPUs per physical core

I am trying to find some documentation or best practice guides for virtualization with respect to provisioning vCPUs per physical core (of a CPU). If it matters, I am looking at vmWare for the ...
0
votes
1answer
222 views

Should I be worried about Code 39 for these drivers on a virtual server?

We currently run an SBS2008 DC/Exchange/AD on hardware that is getting dated. Before it falls all the way over we are trying to get it virtualized, as we do have a shiny new (and under utilized) ...
3
votes
3answers
1k views

Vmware Storage Appliance: Does It Deliver?

I'm on a tight budget and can't afford a SAN. I'm considering a Vmware Essentials Plus Kit deploy on 3 servers. This includes vSphere Storage Appliance. Vmware claims it will do what I need it to.. ...
1
vote
1answer
2k views

converting a Virtualbox to Xenserver

How can I use my virtualbox image in a Xenserver 6 or above? I mean is there a way to import the image to Xenserver? Secondly is there anyway we can import vmware image to Xenserver without using ...
0
votes
2answers
675 views

converting KVM virtual machines to VMware-vsphere

I am using KVM on Ubuntu Server 12.04 and Virtual Machines are running on it in LVM. I want to migrate of them to Vmware-vsphere. How can I achieve this. Can some one suggest as where do I begin?
-2
votes
1answer
315 views

Apple XServe 2,1 Questions (ESXi, Temp)

So I have Apple XServe 2, 1 (Earlier 2008 model) I am trying to install ESXi 5.1 on it. I've read it that it's possible. I'be burnt the ESXi ISO to a dvd-r. I am now trying to boot from it but I have ...
1
vote
1answer
569 views

Under what circumstances could adding a CPU to an “underutilized” VMware vSphere 4.1 VM increase performance?

Scene: 16-core VMware ESX 4.1 host. Presume that the host is not over loaded in any single resource at all. Storage latencies are very low, total memory utilization is below the physical ram amount, ...
4
votes
1answer
139 views

Virtualisation for Public Library PCs with vSphere Hypervisor

I'm working at a public library, we have 20 or so Windows 7 PCs available for the public to use. At the moment they use Deepfreeze to maintain the base state of the OS so that users can't mess things ...
0
votes
1answer
315 views

How does one export an existing VM out of VMWare vSphere and import it into VirtualBox?

We have a virtual test server in VMWare that's currently running on a machine with a couple of different VMs on it. This virtual test server is very slow, and since I test the backup on it daily, I ...
5
votes
1answer
225 views

Benefits to private networks between virtual machines on an ESXi host?

I'm planning this development environment with a few database servers, and originally thought I would have a few private networks. I then thought it might be unnecessary as the ESXi cluster already ...
0
votes
1answer
2k views

File .vmx not found error when trying to create a VM snapshot after removing an independent volume

I had had a Windows VM having a second virtual drive configured as an independant volume placed on a second datastore on a VMWare ESXi 5 server. Then I have removed the second drive by removing it in ...
1
vote
2answers
12k 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 ...
-1
votes
1answer
121 views

Virtualization - Windows guests on Linux host? [closed]

Check my previous question. I am now looking at specifics relating to enterprise virtualization. I have done some research into Citrix Xen Server and VmWare vSphere. I need to know whether it is ...
30
votes
5answers
5k views

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 ...
7
votes
2answers
7k 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 ...
-3
votes
1answer
684 views

ESXi 5 licencing [closed]

I have dedicated server with one physical CPU (socket) and 64GB RAM. I have ESXi 5 installed trial for 60 days (I didn't apply any licence and it is coming to an end). I have 5 virtual machines using ...
1
vote
2answers
1k views

Troubleshooting ESXi hardware freeze with PCI Passthrough

I have a Supermicro X9SCM board with a Atheros AR5008 PCI Express card (D-LINK DWA-556, Device=0024&Vendor=168C). The card can successfully be marked for PCI passthrough in ESXi (I tried versions ...
14
votes
5answers
949 views

Choosing a SAN technology for 100s of VM Web Servers

The Problem We have an issue with performance on an existing platform, so I'm turning to the hive mind for a second opinion on this. The performance issue so far relates to IOPS rather than ...
2
votes
2answers
641 views

Can you detect partition misalignment from a VM?

First of all the back story - All of a sudden (literally overnight) an instance starts throwing CPU utilization alerts. This is a rather lowly VM (1 vCPU, 2GB RAM) but all it does is very low NFS ...
1
vote
1answer
423 views

Blade communication within virtual connect domain without leaving enclosure

I have a HP C3000 blade enclosure, some blades and a flex-10 interconnect module, running ESXi 4.1. I'd like to have networking between the blades, and was wondering if the interconnect module can ...
3
votes
4answers
631 views

Private Cloud: Debian and OSS vs vmware vSphere, which is best for corporate use? [closed]

I'm hoping someone can shed some light regarding the current state of virtualization on Debian. Since I like my information first-hand, i thought I'd ask here for some real-world use cases. I am ...
3
votes
5answers
3k views

What is the best Linux distribution for a production Web Server? [closed]

Firstly, I'm fully aware that this question gets asked often but it seems like its been a couple of years since the last good roundup of the available distributions. I'm also aware that the best ...
0
votes
1answer
610 views

diskname or some other argument is missing

I downloaded VM file with all its snapshots from vsphere to localhost. When I tried to open it with Workstation 8 - I got message The disk ...Debian.vmdk has internal consistency that were most likely ...
2
votes
2answers
216 views

High Availability with 3 servers: To virtualise or not?

We're changing hosts for our SAAS app (IIS+MSSQL) and have an opportunity to redesign the infrastructure. Either stick with what we have (which works well) or virtualise with vSphere. Current: 2x ...
1
vote
2answers
241 views

Configure VMware vsphere install with multiple raid arrays

I will preface by stating that I am programmer that has acquired some sysadmin extra duties. I have a server that I have installed VMware vSphere 5 on. The server has two raid arrays. 2 600GB disks ...
2
votes
1answer
62 views

Distributing resources evenly across all virtual machines

I have a physical server running VMware vSphere 5 and 3 VM running on top of it. The physical server Xeon X3440 2.53GHz, 6GB of RAM and 500GB of HDD. As for my VMs, there are 2 Linux (CentOS) and 1 ...
1
vote
2answers
307 views

Other Virtualization/Infrustructure Software Similar to VMware vSphere

Does it exist? Something that can (HOST) and manage multiple virtual machines, backup, migration from physical to virtual etc.