Tagged Questions

0
votes
4answers
80 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 ...
1
vote
1answer
146 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, ...
1
vote
2answers
531 views

VMWare Host Not Responding - VMs are Disconnected (ESXi 3.5)

I have inherited a VMWare environement ESX v3i 3.5. I am not fluent with VMWare ESXi so bare with me. Two days ago, when I opened Virtual Centre, one of the Hosts showed up as Not Responding. The ...
4
votes
1answer
356 views

Potential VMWare 5.1 Fault Tolerance bug/issue?

Background / Setup I've got a fresh install of vCenter Server 5.1 and associated components. I've taken all steps (as far as I can tell) to enable FT, and it worked the first time (yanked a power ...
0
votes
1answer
201 views

vlans broadcast works but ping doesn't

i have a server with ESX5, have a Standar Switch(vswitch1) with one physical NIC attached, vswitch1 VLAN ID is set to All(4095) so it can see traffic on any VLAN, connected to vswitch1 i have 2 VM, ...
1
vote
1answer
118 views

esx5 debian VM vlan setup

i have a server with ESX5, have a switch with about 20 vlans, this is how setup the trunk port interface GigabitEthernet0/1/1 description ToOper port link-type trunk undo port trunk allow-pass ...
2
votes
4answers
243 views

Creating VMs (VMware) Automatically

We receive roughly 10 emails a day for new vm creations or take downs and I am wondering if its possible to create a webapp that would allow the customer to pick and choose what they need on this VM ...
2
votes
4answers
3k views

How to extend a Linux PV partition online after virtual disk growth

VMware allows to extend the size of a virtual disk online - when the VM is running. The next expected steps for Linux system are: extend the partition: delete and create a larger one with fdisk ...
2
votes
2answers
593 views

ESXi Server with 12 physical cores maxed out with only 8 cores assigned in virtual machines

I have an ESXi 5 server running on a 2-processor, 12-core system with hyperthreading enabled. So: 12 physical cores, 24 logical ones. On this server are 4 Windows 7 VMs, each configured for 2 ...
2
votes
1answer
927 views

vmware esx 4.1 cant see existing SAN storage

I have 3 esx 4.1 hosts connected to HP EVA 4400 StorageWork. All host can see 6 datastore, LUN1 to LUN6, 1TB for each datastore. Recently I add another esx 4.1 host but unfortunately this now host ...
3
votes
2answers
429 views

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 ...
0
votes
1answer
233 views

How can I create a vmware disk with XEN?

I found that in XEN I can use vmware-disk images. But can I actually create such a disk with pure XEN-means? I want to create a server with XEN and move the corresponding disk later to VMWARE (in a ...
4
votes
4answers
149 views

Risk when deploying virtualized production servers without in-house virtualization expertise?

I've been asked to evaluate moving three production servers to a virtualization platform. The servers currently run Windows Server 2003 with a mix of applications that, given a catastrophic failure, ...
0
votes
3answers
273 views

Which Linux distro best suited for running various services on an ESX 3.5 Virtual Machine

I have inherited an few servers some of which could be made virtual, I am thinking of putting the print server, ppp, dhcp, web proxy programmes together on an virtual machine on an existing ESX ...
1
vote
1answer
305 views

ESX: Get VM uuid/name from within VM

Is there a way to get a VM's name or UUID from within the VM itself, for a VM that is running on a VMWare ESX server? If so, what is the way? My use case is: I'm cloning a bunch of VMs. A program ...
2
votes
2answers
604 views

Does MSSQL 2000 run in VMWare ESX?

Does MSSQL 2000 run in VMware ESX? We are planning on going into a virtualized environment and are wondering if main production database will run in VMware ESX. We cannot upgrade the SQL version.
0
votes
1answer
166 views

Function of command vmware-vim-cmd vimsvc/connect?

Does anyone know the function of the command "vmware-vim-cmd vimsvc/connect (vimid)". I thought that after executing this command with correct virtual machine id, I will be connected to the shell of ...
2
votes
3answers
493 views

Why is it possible to deploy a hypervisor within a hypervisor?

Why is that a hypervisor, which alledgedly needs to be on physical hardware, can be deployed within a VM? For example, XenServer (the actual hypervisor) can be deployed in an ESX VM? Why is this ...
6
votes
3answers
658 views

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 ...
0
votes
1answer
444 views

Does migrating 2 domain controllers between 2 datacentre requires both virtual machines to be shut down at the same time?

I was attempting to migrate 2 virtual machines that are domain controllers between 2 datacentres running ESX 3.5 and ESX 4.1. I was advised to shut down both domain controller at the same time during ...
0
votes
1answer
2k views

How to copy files from/to VM within VMWare ESX with host-only network?

I have a group of isolated virtual machines running on VMWare ESX server and connected to "host-only" vSwitch (it's not connected to any physical adapter). All machines are running Windows Server ...
2
votes
1answer
4k views

How to add an exported virtual server (ovf) from ESX 3.5 and import it to ESX 4.1 with vCentre?

I am trying to migrate VMs between ESX3.5 host and ESX 4.1host. After exporting by Virtual Appliance->Export in ESX 3.5, an .ovf file and a vmdk file is created. I couldn't find any way to add to ...
1
vote
2answers
305 views

Can I utilize the full performance of a hypervisor's physical CPU cores when running a high CPU usage appliciation inside a VM?

I currently have an IIS application pool running on a physical server with 2 x quad core processors that has an average of 50% utilization across all cores. I need to make this application highly ...
1
vote
3answers
532 views

Deploying a hypervisor on a Mac Pro

I am researching into the Mac Pro as my next PC (purpose is software dev with virtual test labs etc). I am thinking of running ESX on such a box. Is it possible to scrap the OS and deploy just the ...
2
votes
2answers
260 views

vMotion Public Servers

hi we are in a process to purchase a virtualized solution from HP (c-3000,HP Virtual Connect Flex-10 10Gb Ethernet Module, HP BL 460 G6, SB-40 with PVA ). my concern is the following: assume i have ...
7
votes
6answers
3k views

hardware recommendations for a DIY storage system based on ZFS [closed]

Looking to make use of old server lying idle as a proof-of-concept ...here are specs Dell PE 2900: Xeon 5110 - 2P, 12 GB RAM, 8x 300 GB 15K drives, Perc 5i+256 MB cache what additional h/w would be ...
1
vote
2answers
52 views

Problems running MS Virtual Server/PC on virtualized Server 2003 (on VMWare ESX 3.5)

We have the following setup: A physical server running VMWare ESX 3.5 There are two virtual machines on ESX: both running Windows Server 2003 SP2 (each have 3Gb of RAM and a physical CPU core) I ...
2
votes
3answers
2k views

Accessing vSphere ESX/ESXi server through python

I'd like to automatically obtain a list or array of the VMs (mac address/name/resource pool) currently created on a vSphere server and use it in a python app. Can someone please suggest a good ...
1
vote
3answers
177 views

Big MTUs under some VM system

I'm pretty sure we aren't the only site using jumbo frames (~9k), right? Well, for those of you that are doing it as well, what are you doing about virtualization? Namely: Xen doesn't support ...
2
votes
5answers
4k views

VMWare ESX, storage over 2TB

First of, i'm a webdeveloper and my server experience lies in setting up FreeBSD servers for webserver. I'm working on a project for at photographer, and i'm hired to develop a new online photo ...
0
votes
1answer
128 views

Adding new virtual disks to a Windows host in ESX “live”

Building on my previous question about RHEL, how do you add get the guest OS to recognize that you've added new drives to it without a reboot? I have Windows 2003, XP, and 2008 guests running on ESX ...
8
votes
2answers
1k views

Adding new virtual disks to a RHEL host in ESX “live”

I'm sure I've just missed which tutorial/manual page covers this, but how do you add get the guest OS to recognize that you've added new drives to it without a reboot? I have a RHEL5 guest running on ...
2
votes
1answer
275 views

Difference between VMWare tools?

I'm currently writing a module for puppet which installs VMWare tools to virtual nodes. I want to do this via yum and and yum-repo. VMWare have their own repo ...
2
votes
2answers
1k views

Find VM's (datastore's, folder's, pool's and etc.) ID by name

I am wondering if there is a way to find VM's (esx's, datastore's, folder's, pool's and etc.) ID by name from vSphere Power CLI. The goal is to find ID of VM if name if known (and the same for esx, ...
1
vote
4answers
2k views

VMWare ESX/ESXi Server Config with RAID 6 - is it advisable?

I am trying to spec out a server machine to run VMWare ESX/ESXi to host about 3-4 VM's. They will likely be hosting VM's running IIS, Apache and BIND. We don't have a huge budget for this and to a ...
2
votes
4answers
700 views

Speedup vmware esx guest hdd access

we run several windows servers and windows clients on our vmware esx. One of the Windows 2003 Servers is a build-server with major HDD-reads/writes. as it is our build server. This machine was a ...
3
votes
5answers
385 views

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 ...
9
votes
6answers
4k views

Choosing between VMWare ESX and ESXi

We currently run one instance of VMWare ESX server, but want to start virtualizing more physical hardware with VMWare, while keeping the cost of VMWare licensing as low as possible. Is ESXi a good ...
5
votes
2answers
7k views

What happens to children when deleting a snapshot in vmware?

I'm new to virtualization and want to make sure I understand what will happen when I delete a snapshot Say I have a tree like this Base SnapshotA SnapshotB SnapshotC Two questions: If I ...
17
votes
10answers
11k views

Running 100 virtual machines on a single VMWare host server

I've been using VMWare for many years, running dozens of production servers with very few issues. But I never tried hosting more than 20 VMs on a single physical host. Here is the idea: A stripped ...
18
votes
3answers
57k views

How to run VMWare ESX or ESXi in a virtual machine?

Can VMWare ESX or ESXi be installed and used inside a virtual machine? It can be installed inside VMWare Workstation or Server, but then it doesn't work; the main symptoms are: It runs REALLY ...
1
vote
2answers
1k views

How to rename an ESX 3.5 server?

We want to rename the machine and preserve all performance data in the SQL Server on the VirtualCenter. What procedure would you recommend? DNS updates/changes, SQL statements and service console ...
1
vote
3answers
2k views

VMWare ESX sharing a virtual disk

I want two virtual servers to share the same disk (one R/W, the other one R/O) Can I do this on VMWare ESX, setting up the same virutal disk on both servers?
9
votes
3answers
12k views

Snapshot/rollback for libvirt+KVM?

I've recently begun using KVM for my development/test environment on a Linux host system with 8G memory. Prior, I was using VMware Fusion for my virtual environment, but my Macbook only has 2G memory. ...
4
votes
10answers
2k views

What recommendations would you give for implementing VMware Server, not ESX

I can't afford VMware infrastructure to do all the cool things, but I also don't have the money to buy a physical server for each and every machine I need, so I've been implementing some non-core ...
1
vote
2answers
1k views

How to export a Lab Manager machine to ESX?

I'm wondering if I can export my Lab Manager templates directly into a cheaper ESX host. Easy enough to import from other ESX hosts. I imagine validating machines in LM and then moving the nicely ...
0
votes
10answers
8k views

bash code in rc.local not excuting after bootup

Does anyone know why a system would not execute the script code within rc.local on bootup? I have a post configuration bash script that I want to run after the initial install of VMware ESX (Red ...
13
votes
9answers
10k views

Is it possible/advisable to run VMware Server ESX/ESXi on a laptop?

The idea of having a small footprint hypervisor as the primary OS on a laptop or desktop where every "real" OS is a guest appeals to me. Now I realize this software is more typically used on blades ...
4
votes
5answers
948 views

VMWare: ESX or 3i? Do I need the COS?

We have lots of regular ESX 3.5 hosts but I'm about to take delivery of a bunch of Xeon 55xx based servers and think it's time to question whether to use 3i in the future. It would save me buying ...
5
votes
3answers
1k views

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 ...