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• Trouble Connecting to Virtual Machine after IP address Change

  - by David

  I have a VMware image running a copy of Fedora 11 which is hosted on a remote server. The remote server recently had its IP address change. I'm now unable to connect to my virtual machine. The server admin assures me that my virtual machine is running and assigned the new IP address. I have checked the firewalls and had the remote admin restart the VM instance. Neither of these fixed the problem. How do I troubleshoot a remote server which I am unable to SSH to? I'm actually even unable to ping the remote IP (connection timed out).

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• Remote RAID Control in ESXi on a Dell PowerEdge 2950 Using OpenManage

  - by yoyomommy

  I was wondering how one can add a drive into an existing RAID array while ESXi is still running. I have read that you are able to use Dell OpenManage to do this. I have installed OMSA 7.0 on the VMWare ESXi host (5.0 and fully updated) and I've installed OpenManage Essentials on a Windows Server 2008 R2 guest. The issue that I'm having is that OpenManage is unable to see my RAID controller. I have seen videos and photos as parts of guides on how to do this online, so I would assume that the functionality exists and I just have it set up wrong.

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• How to present shared storage for MS Cluster Services running on vSphere 5

  - by MDMarra

  I've seen two approaches to handling the presentation of shared storage to Windows Server 2008 R2 cluster VMs on VMWare vSphere. One is the traditional method of carving out a LUN on your SAN and presenting it to both hosts through the Microsoft ISCSI software initiator. The other method is to make a vmdk on an existing LUN and attach it to both hosts and made it an independent disk so that it isn't affected by snapshots. Is one way the "correct" way, or are both viable? Is there any advantage or disadvantage to doing either?

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• Do virtual machines perform better on the host HDD or USB drive?

  - by Jeremy Ricketts

  The question I'm asking is kind of general, and I'll give more specifics about my specific setup. Here's the main question though: Do virtual machines generally perform better on the host HDD or is it better to operate them from an external disk? My specific setup: A Macbook Pro with a nearly full internal SATA drive that spins at 7200. On this system I'm running large programs like Photoshop and some other RAM-intense applications. I've dedicated 2 of my 8 gigs of RAM to my VMware Fusion virtual machine, which runs Windows 7 and Visual Studio, sits on the same drive. When that thing boots up, my system really starts crawling. I have an external USB (specifics of that drive are here) which I'm thinking about moving the VM to. Obviously a USB drive is slower than my internal HDD, but maybe having two operating systems using the same disk is WORSE than putting one of them on a separate (albiet slower) disk. This a bad idea?

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• Trouble Connecting to Virtual Machine after IP address Change

  - by David

  I have a VMware image running a copy of Fedora 11 which is hosted on a remote server. The remote server recently had its IP address change. I'm now unable to connect to my virtual machine. The server admin assures me that my virtual machine is running and assigned the new IP address. I have checked the firewalls and had the remote admin restart the VM instance. Neither of these fixed the problem. How do I troubleshoot a remote server which I am unable to SSH to? I'm actually even unable to ping the remote IP (connection timed out).

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• What disk setup is needed / best practice for hypervisor-only servers?

  - by Luke404

  Planning to buy some servers to run an hypervisor (Citrix XenServer or VMware vSphere, still have to decide between the two) we'd like to boot off the local redundant SD card module offered by various vendors (eg. Dell, HP, etc...). The actual VMs will run from an existing iSCSI SAN (which, by the way, can't support booting the servers directly off the SAN). What are the reasons, if any, to choose completely diskless servers VS having some local storage? And what would be the guidelines to choose that local storage? (number of spindles, raid level, etc)

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• How can I simulate a slow machine in a VM?

  - by Nathan Long

  I'm testing an AJAX-heavy web-application. I develop on a new Mac, but I use VmWare Fusion (currently 3.1.2) to test in Windows XP, using IETester to simulate older versions of IE. This lets me see how older IE versions would render the site, but I'd also like to see how the site would perform on an older machine. I see in the VM's settings that I can decrease the RAM; is there a way to also dial down the processor speed? How else might I simulate a slow machine? (I am also going to check out how to simulate a slow internet connection.)

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• Internet Explorer 8 only running as process not application

  - by Lord Peter

  Internet Explorer 8 on XP SP3 starts without browser window. Task manager doesn't show application, but iexplore.exe is listed twice in process window. Process Explorer reports "no visible windows found for this process" when I try to "bring to front" in the iexplore.exe properties dialog. Have reinstalled (twice), full scanned with MBAM/MSSE/SpyBot etc, re-registered ieproxy.dll (another Google-inspired tip!), run without addons (-extoff switch), and still same problem. Recently uninstalled VMWare Player and wondered whether problem related to VM network adapter somehow, but Firefox still works perfectly. This is one of my home machines, not critical, and it is backed up, so I will restore if I have to. But any and all suggestions will be gratefully received. It would be nice to understand what might have happened, and perhaps others may benefit from any knowledge that comes to light.

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• ESX - Initialization for vmfs2 failed with -1

  - by ov4

  I recently purchases a bunch of R710's from Dell. I installed VMWare ESX on them. The installation process finishes without a problem; however once ESX boots the following error displays at the botton with red letters: 00:00:02:21.493 cpu11:4119) mod:2971: Initialization for vmfs2 failed with -1 I installed on two different servers and the same error appears. The curious thing is that if I install ESXi 3.5 or 4 there is not problem. What does this problem mean, and how can I resolve it?

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• There is a commercial tool like Xen + Remus?

  - by SoMoS

  Hello, I have a project where we need a completely redundant system like the one offered by Remus with a Xen virtualization system. I wondered if there is a system like this one built by VMWare or some other company because the project is a very critical one and we do not want to have to wait that a bug is fixed by "the community" and money is not a problem. What Remus does is to build a completely redundant system where you can shutdown one machine and the other continues the work where the other left it maintaining the network connections opened, etc Any hint? Thanks in advance.

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• Move the ESXi service console from eth0 to eth1.123

  - by Mircea Vutcovici

  I have an VMware ESXi 4.0.0 with 2 physical network cards. First one, eth0, has only the Service Console and the other one, eth1, is a trunk with all VLANs (including the management VLAN used by the Service Console). I would like to free eth0 port to be able to connect a network storage and I would like to move the management IP from eth0 to eth1/VLAN123. Can I do this remotely? Is it possible from vSphere client? Should I do it from the ESXi console?

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• VMware postfix server drops connection

  - by nicoX

  Our physical server godzilla forwards mails to our virtuall VMware server b4. They are on the same net. Often connection drops, we can't ping godzilla with our b4. That means mails from godzilla won't reach b4 and the mails will be in handed into the mailq. Sometimes it takes some hours and the issue will auto fix itself, b4 will wake up and the mail will be delivered. Another thing if we remotely ssh into the b4, the b4 will wake up and and receive any mailq mails from godzilla and deliver them. netadmin@b4:/var/log$ arp -a ? (192.168.209.80) at 00:1E:C9:AE:79:9D [ether] on eth0 root@godzilla:/usr/local/bin# arp -a ? (192.168.209.20) at 00:50:56:91:7d:b2 [ether] on eth0

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• Running a VM off of an external HD via USB

  - by Nelson LaQuet

  Is it viable to run (i.e. reference the vmx/vhd directly from the mounted drive) a VM (vmware running Windows Seven) off of an external HD via USB? I mean, I know it's possible, but I guess I'm asking if USB provides enough bandwidth for normal usage... If so, are there any particular brands that may be better or worse? I know that ESATA would be a more viable setup, but my laptop doesn't have an ESATA port. Currently I use the VM to segregate all of my work development servers and software from my main machine; so I will be running all development servers and tools on the VM directly.

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• spurious hardware memory 'errors' on hp dl380 g5's being generated

  - by friedchicken

  Hi All, i've got 2 new HP dl380g5 servers running HP's esxi4 patched to 219382. they have both been patched up to the latest hp firmware levels (firmware cd 8.7) both are running 32gb (4 x 8gb sticks) both servers are showing the same symptoms - the memory lights come on for two (random) dimms on the front of the server and the health led turns red. sometimes the server stays up and running with no problems. othertimes the server locks dead and only a power reset can bring it back. there is nothing showing in the ilo logs and nothing within the vmware hardware monitoring. the memory has been replaced i've got other customers that have been running dl380g5's with out any issues on esx3.5 - this is our first vsphere deployment with them. these are meant to go live soon so any advice would be great. thanks in advance.

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• ESXi standalone host cannot power on any virtual machines

  - by Mark Henderson

  I have a standalone VMWare ESXi host on ESXi 5.1. It currently has a handful of VMs powered on, and they are running fine. If I try to power on any other VM - any VM at all - I am receiving the following message: Power On virtual machine:A general system error occurred: The virtual machine could not start I have been through everything on KB2001005 and KB1006232 and their steps are either not applicable, or don't change anything. Nothing is generated in the virtual machine's log file. Where can I troubleshoot from here?

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• Is paravirtualization evil?

  - by Daniel

  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 is that my apache tomcat becomes deadlocked during startup, running with 200% CPU (I have 2 CPUS assigned to the VM), and don't know how to get both: A stable system and a fast system. I somewhere heared that paravirtualization is legacy anyway and won't be available on newer ESX servers. Is there a replacement for this seemingly performance-improving option, or is it discontinued becauses it is just unstable? What is the state of paravirtualization? Should I ignore it completely? Thanks for all answers in advance.

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• Under what circumstances might an IIS6 website be automatically deleted?

  - by E. Anderson

  Late last week my colleagues did some hardware maintenance on one of our vmWare esxi servers. One of the guests is a Windows Server 2003 Web Edition system that runs our low-traffic web sites. We discovered this morning that one of those websites was no longer working with what appeared to be an SSL error. After logging in, I found that the web site in question had been deleted from IIS! Is it possible for this to happen without a user actually going in and deleting that single web site? All of the other sites were fine. The files for the site in question had not been touched. I just re-created the web site, assigned the SSL cert, and everything was working again. When I logged in, I did see the 'Unexpected Shutdown' dialog.

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• SQL Server 2005 64bit on 16GB machine uses 3.6GB memory only

  - by ArjanP

  Maximum server memory is set to the maxvalue AWE is disabled (should not be needed in 64 bit anyway) Windows Server 2008 Enterprise SP2 It is a virtual server using VMWare If I look in Task Manager the sqlservr.exe process only uses about 3.6 GB of memory. Is that number not real? Shouldn't it attempt to use all available memory? If I run DBCC MEMORYSTATUS I get: VM Reserved 16670136 VM Committed 3640664 It looks like a memory limit I shouldn't be seeing in a 64 bit environment.. how can I get SQL2005 to use more memory?

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• mount samba share on a vmware instance

  - by Riduidel

  I've a windows machine in which a linux server is run by a "VMWare player". From the windows machine, I want some folders to be mounted on the Linux virtual server. All this is done in a maven build (which is quite irrevelant here, in fact). From what I understand, to make these windows folders available as mountable ones, I have to do the following operations Share the folders as Samba ones using net share, this I have done. Access my virtual server and check which folders are already mounted (which seems to be doable using a less /etc/fstab), this I'll do soon Mount my samba shares using smbmount All that seems to my by far too hackish code. Could the same be done using ... say ... JMX/SNMP or any other high-level technology ?

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• how to clone a physical "individual partition" vmdk into a "local" (file-based) vmdk?

  - by BJH

  Hello. I have a physical disk with a small (60GB) partition containing my guest OS. The physical disk also contains a large (240GB) block of unpartitioned space. My vmdk is defined as a physical "individual partition". I want to convert the source physical "individual partition" vmdk into a local (file-based) vmdk. The command - vmware-vdiskmanager -r sourcevmdk targetvmdk -t 2 creates a 300GB vmdk that includes both the desired 60GB "individual partition" and the 240GB of useless unpartitioned space ! How can I create a local vmdk with just the individual partition?

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• Host CPID, Geast CPUID and UserCPUID / what are they?

  - by amir.csco

  i found out that there are some IDs associated to the CPUIDs in vmx file of each virtual machine, these IDs are; hostCPUID.{Num} hostCPUID.80000001 guestCPUID.{Num} guestCPUID.80000001 userCPUID.{Num} userCPUID.80000001 i had some examination and search and i found out that guestCPUID and userCPUID are the same but hostCPUID always is different, Also i realized that these IDs are 32 hexadecimal characters that contains EDX, EAX, ECX and EDX i just want to know why hostCPUID is different from two other IDs?? and what is the different between these format of IDs and another format that explain in VMware documents ( cpuid.{Num}.edx or cpuid.{Num}.eax ) that written in binary codes not hexadecimal?? also i need to know why there are no CPUIDs in vmx file of some virtual appliance that often are available in OVF/OVA format and we can just deploy it?? Best Regards,

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• Is an I/O benchmark made for hardware an accurate assessment of a Windows VM's performance under vSphere 5?

  - by Jeremy

  We support an enterprise application running on Windows Server 2008 R2. One of our customers has chosen to install to VMWare, and what I'm finding is that the VM's are relatively slow compared to hardware. Our product development team has advised that many VMs appear to run particularly slow on I/O benchmarks, which impact performance in production. I've tried the AttoSoft I/O benchmark and find that for smaller I/O blocks (1-32K) the VM I'm looking at is 25x slower than hardware and for larger I/O blocks (1-8MB) it's 10x slower. Is this a fair benchmark? If not, any suggestions for a fair test?

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• How does a winkydink Teradici offer high res, full FPS, 3D rendering on ESXi 5 VDIs for AutoCAD/SolidWorks/1080p YouTube applications?

  - by BlueToast

  How does such a small Teradici card ![enter image description here][1] offer high resolution, full FPS 3D graphics (1:38) http://www.youtube.com/watch?v=eXA4QMmfY5Y&feature=player_detailpage#t=97s for ESXi 5.0/5.1 VDI environments? We're shooting for an AutoCAD/SolidWorks/YouTube 1080p capable environment. I can't see how such a small and low profile card could possibly have the horsepower to handle such GPU computations for a big environment like that. We're going to have up to 64 VDIs per server, and are a 500-1000 employee count sized company. Someone enlighten me please! Determining which route to go (between RemoteFX and VMware View/PCoIP) and the hardware (NVIDIA 4GB non-Quadro/Tesla GPUs vs Teradici card). Servers have three 4x, three 8x, and one 16x PCI-E lane. Two of the 8x lanes will be occupied by SAS RAID cards.

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• Deleted All Snapshots, Now Won't Boot VM with Snapshot not found error

  - by Jharwood

  I've just tried deleting the snapshots from this virtual machine running ESXI5, so that I can grow the Thick Partition. I've now got the below error message when I try to start the VM, the VM also can't be grown above 0 MB i assume for the same reason as below. I've checked the datastore and the original VMDK is still there. Reason: The system cannot find the file specified. Cannot open the disk 'VM1-PG-000002.vmdk' or one of the snapshot disks it depends on. VMware ESX cannot find the virtual disk "VM1-PG-000002.vmdk". Verify the path is valid and try again. How do i tell ESXI5 to use the proper VMDK?

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• virtual machines: optimal host os to run Windows XP guest os?

  - by user61132

  My department doesn't have the budget to upgrade my ailing Dell D620 laptop. However, I do have the option to buy my own personal computer, then use my company-issued ISO image to run Windows XP as my guest os using virtualbox or vmware. Therefore, last month, I bought an Acer AX3910-U3012 desktop that had Windows 7 as the host os (and 8G RAM). In short, I was disappointed with the performance while trying to run WinXP as the guest os. (It didn't perform much better than my laptop.) Just wondering what the optimal host os would be for running Windows XP as the guest os? (No, I can't use my company-issued ISO image to build the os for my personal computer.) FWIW, I'm willing to spend up to $2k if it's REALLY worth it, but would prefer to spend no more than $1k. Also, in an effort to cut costs, I'd prefer buy a desktop instead of a laptop. Thanks for any/all feedback.

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