Problems of time (NTP) on the virtual machines within ESXi 4

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• Wrong message 'VMware Tools can be updated' for the virtual machine within ESXi 4.1

  These VMware tools in my guest operating system keep on the list "VMware Tools can be updated" and the yellow exclamation point.

  Host operating system is ESXi 4.1.0 build 348481

  VMware Tools version is 8.4.8 build 491717

  It is not on the files with the extension.001 as described in the following article

  http://KB.VMware.com/selfservice/microsites/search.do?language=en_US & cmd = displayKC & externalId = 2001382

  I checked and there is no file with this extension.

  I think that VMware tools is unable to read or to compare the correct numbers.  Or is there another reason?

  Reply to my own post:

  The answer, in fact the procedure, is inside this article:

  https://communities.VMware.com/docs/doc-31365

  For some reason VMware Tools is not installed correctly (for example files from previous versions are left inside the hard disk).  So I have to do a manual cleaning before you reinstall the tools.

• How to check the file for the virtual machine size Esxi shell

  Anyone who can tell me how to check the file for the virtual machine size Esxi Shell. I tried this command-h ls but does not work.

  Have you checked "ls-lh', it will provide information as the attached screenshot." "

• Database SQL vCenter that is running on the virtual machine within vsphere

  Hey guys, I was wondering how many of you are running your database remote vcenter on a virtual machine inside your vsphere environment? We always ran the vcenter db on a physical remote outside the vsphere group box, but I am considering the upgrade to sql 2008 R2 and I already have a virtual sql server computer running within vsphere.

  Pro/drawbacks to be aware of the db running on a virtual machine?

  Thanks in advance

  Kevin

  We rotated our SQL database in a VM for a while now.

  Some advantages are for example the wide use of HA and the ability to easily extend if necessary resources. In addition, if you use backup as Veeam software a restore takes only a few minutes from a physical configuration.

  There are a few things when you have to keep in mind:

  -Make sure that your SQL VM database begins before your vCenter (the service does not start if it cannot reach the database), even if it can be fixed manually it might be something you want to keep in mind

  -If you use the distributed switches power risk since data is stored in the database, of course there are solutions for this (keep the traffic on a standard switch management)

  -If you use HA make sure you modify the priority of restarting HA for the virtual machine (you don't want a reboot suddenly)

• Unable to ping Virtual Machines within ESXi host (vSphere Home Lab)

  I'm using VMware workstation 9, I have 4 virtual machines created inside the workstation.
  (192.168.1.0 network is defined inside VMware workstation VM network editor)

  Domain controller - 192.168.1.1
  ESX1 - 192.168.1.11 (2 NICs - vmnic0 and vmnic1 connected to n/w)
  Esx2 - 192.168.1.12 (2 NICs - vmnic0 and vmnic1 connected to n/w)
  Management Server - 192.168.1.5

  I have 2 virtual computers created inside the machine Esx1

  machine to SQL - 192.168.1.4
  vcenter1 - 192.168.1.2

  I have 1 computer virtual created inside the Esx2 machine

  vcenter2 - 192.168.1.3

  I can ping all the machines in the administration server - no problem

  Question - I can not ping vcenter1 to sql, cannot ping vcenter1 to vcenter2, cannot ping vcenter2 to sql.
  There is basically no communication between virtual machines with the Esx host and in the whole of the host. Firewalls is disable on all these machines virtual esx internal hosts.

  Any ideas how to solve this problem?

  Make sure that virtual network on ESXi hosts maps are Sunrise promiscous mode networking.

• Performance of the virtual machine on ESXI 5

  Hello

  I have a DELL R710 server and I would like to install about 18 VM servers. almost all of them are Centos Linux 64-bit and 2 Win XP and Win7.

  I have 48 GB of RAM and 2 processors with a total of 12 cores.

  I would like to know if this can not work?

  should I worry about more power (cores) CPU or RAM?

  I'm pretty new to VMWare ESXi and I not change any configuration on the ESXI system.

  that I should?

  I guess I work in a mode of sharing...

  So basically, I need to know if I would have the same ratio of VM CPU and memory, as I do with physical machines CPU and Memoery?

  Thank you very much!!

  Dothan.

  adotan wrote:

  I use about 4 GB of RAM for each virtual computer.

  With 18 virtual machines, it will be 72 GB of RAM, and if you have only 48 physical RAM in the host it will be little tight. There is a lot of memory reappropriation of the techniques used by the Vmkernel, but this might be a little too much.

  I agree with Weinstein that you should start with a lower amount of vRAM for each virtual computer and increase if necessary.

• VMware Workstation with ESX3.5u4 - problems with the virtual machines within ESX3.5u4

  Hello world

  I really need a consultation on this one:

  I'm testing ESX3.5.

  As I don't want to buy any material for now I thought it would be a good idea to test ESX3.5 in my computer.

  I used this model to install ESX3.5 in my computer: http://xtravirt.com/node/100

  ESX3.5 works perfektly in workstation.

  The only problem is that if I create a computer virtual within the VM ESX3.5 works very very slow.

  I searched on the VMware Forum for this problem and found that you need Intel VT enabled to speed things up.

  But I think that my "Intel (r) Core (TM) 2 Quad CPU Q9300 @ 2.50 GHz, 2000 MHz" should have Intel VT.

  Does anyone have any ideas why my VMs on esx3.5 within the short slow workstation?

  Thank you all in advance for the help!

  Material used:

  ASUS P5B

  Intel Quad Core Q9300

  3 GB RAM

  Intel PRO/100 S-Serveradapter Ethernet

  According to your log file, the external VM using VT - x.  I'm afraid, it's as fast as your nested VMS are going to get.  While I would qualify as slow or even nested VM performance very slow, I'm not sure I'd go so far as "very very slow."  It is perhaps a matter of perception.

• I have a problem with the password on the virtual machine.

  Original title: passwords & Windows 7 virtual machines

  Hello

  I am running windows 7 pro 32 bit, with a windows XP virtual to develop existing software.

  The hosts & VM connect to a file on the network server. The file server is running windows XP, the network is a simple working group. I've manually created a limited user on the file server with the same name and password as my logon to windows 7.

  Today, I changed my password to connect to windows 7, which I am not as often as the security people recommend that I do. I changed the password on the file server to synchronize and also the password on the virtual computer.

  The virtual machine is maintaining however, somewhere the old password, which crashes, and I get the logon screen. If I enter the new password it connects then. I went into the settings of the VPC and delete the credentials saved, without effect. I removed "enable on startup" of integration features, also without effect.

  So I get the password in the VPC, but then I have to enter the password to access the network share. Or I can enter the password each time I start the virtual machine. The second is less painful, but still annoying.

  Any thoughts?

  Hello

  Thanks for posting in the Microsoft Community.

  According to the description, it looks like you are facing a problem with windows Virtual PC.

  The question you posted would be better suited in the TechNet Forums; We recommend that you post your question in the TechNet Forums to get help:

  http://social.technet.Microsoft.com/forums/en-us/w7itprovirt/threads

  If you need Windows guru, do not hesitate to post your questions and we will be happy to help you.

• What is the interval of time between the virtual machine Linux and ESXi host synchronization?

  I have ESX5.0 with a centos6 installed on this linux virtual machine.

  After the installation of vmware for Linux virtual machine tools, I activated the time synchronization between the virtual machine linux and ESXi host through vmware-toolbox-cmd.

  I wonder what is the interval of time between the virtual machine linux and ESXi host synchronization? If I quickly time OS system, when the OS system time will sync back to the ESXi host?

  According to http://www.vmware.com/files/pdf/techpaper/Timekeeping-In-VirtualMachines.pdf:

  By default, the demon checks the guest only once per minute operating system clock.

  However, depending on whether the guest is behind or in front of the result is different. So, please read the section "periodic synchronization" (at least) in the document mentioned above.

  André

• Slow startup and performance of the virtual machine

  Hello

  We used with ESX 3.5 U3 and VC 2.5 Build 119801 for quite awhile. We organize two virtual computers W2k3 running Citrix XenApp 4.5 (last patchlevel). One of these two machines have a meaning very, very bad performance 100% cpu and memory. The other virtual machine works (ago implemented by cloning each other) fine.

  We migrated virtual machine causing the problem to another host ahead has a bottleneck of the esx host. But if there is only the one virtual machine on an esx host, the problem remains. When starting the virtual machine, the W2k3 bootscreens hung for at least eight minutes. We followed the vmware.log in the datadir of the virtual machine. The vmware.log says:

  10:05:27.209 Mar 27: vcpu-0 | SVGA: Registration MemSpace 0xf8000000 (0xf8000000) and 0xf4000000 (0xf4000000)

  We have no memory of overcommitting, no action, no DRS, without limits and without reserves. I just deleted a snapshot as I thought writing the delta file could slow the operation.

  All other virtual machines seemed fine.

  Any of you have seen this problem before?

  Thanks in advance,

  Daniel Volkerts

  OK, then once the machine starts, run the real-time performance monitor, add counters for cpu, mem, disc and see if it goes pic... also Task Manager control which process takes more cpu or mem...

• Cannot start the virtual machine guest after receiving "License expired message" host ESXi 5.5

  I can't start computer virtual invited after receiving "License expired message" 5.5 ESXi host. I am able to copy the vm folder prompted with all its files using WinSCP I had already installed on a desktop computer in the network.

  However, it takes an extremely long time to download the VM [2.5 mb/s], which is of course a different question.

  It seems that I was still on the trial with my vsphere client license, until it expired. I am able to view the virtual machine within the workstation 10, but I can't turn it on. It says "Please install a license to power on this computer" there is no way to install a license anywhere.

  My question is... .will I be able to access this virtual machine if I download on an external hard drive, then add it to 10 VMWorkstation that I possess a current valid license?

  Even if the evaluation license has expired, you should be able to connect to the ESXi host using the vSphere Client and follow the steps mentioned in the article that I posted before you enter the free license key.

  André

• Unable to connect to the virtual machine via telnet

  Hi all

  The VM on Vcenter everything is perfect with the network connection. I can't do a ping of the virtual machine remotely but I can not connect via telnet.

  For the same reason? And even more, I have disabled the fiewalls of the virtual machine (Windows 2008 R2).

  The error that says: could not open connection to the host, on port 23: Connect failed

  Can you please let me know how to solve this problem?

  Since there is nothing blocking the traffic of the virtual machine in ESXi, you can begin troubleshooting in the guest OS. For example is running telnet server and configured to accept connections?

  André

• Connect physical hard disks to the virtual machine (and leave the data intact)

  Hello

  I'm looking to virtualize a SOHO headless server, that I use mainly for secure file storage.

  Currently, the system runs Linux installed on a small disc and has two drives 1.5 TB, used exclusively for data, in a cluster of ZFS mirroring. (I use the ZFS-fuse Linux-based application).

  I want virtualization for two reasons. One is to make administration easier and safer - avoid having to connect a keyboard and the physical monitor to the box from time to time. The other is that the machine is a bit more powerful to handle the load, and I'm hoping to make it work on other, more challenging tasks.

  Now, there is a catch. These discs are as highly important. I mean the data on them. What I need is to convert the current Linux system to a virtual machine, or re - install Linux on a virtual machine (don't like that), then connect the physical disks to the virtual machine as if they were actually connected.

  I certainly don't want to vmware touches those disks somehow.

  I've read the documentation, but I'm a noob when it comes to server virtualization and system engineering and don't quite understand if this is possible or not. These discs are not a SAN, they are physically connected to the server, I want to install vSphere on. (Of course, I'll log out when I run the setup of vSphere. But I need plug them again later, and they need to be sure that vmware will leave them alone and pass them to the virtual machine transparent.)

  Sigmoid wrote:

  Oh yes, the cluster mirrored ZFS. It is essentially a software RAID type thingie.

  http://en.Wikipedia.org/wiki/ZFS

  A material, or the point of view of virtualization, it appears two hard drives with a single huge partition on each that is not transparent to anyone, except the implementation of ZFS.

  OK, means that you can break the RAID, connect the drives to different host and configure RAID once again, right?

  Let's do it this way

  1. We will need a disc player more for VM, cause on flash, we install ESXi
  2. I will share ZFS :-), all you need to do with that before you install ESXi
  3. make the BACKUP!
  4. Disconnect the data host drives
  5. install ESXi 4.1 U1 free version on flash
  6. Download the site VMware vSphere client
  7. Connect the VM disk to ESXi
  8. customer help create the virtual machine and install the OS on it
  9. stop the virtual machine and esxi
  10. connect DATA drives to the ESXi host
  11. begin to ESXi
  12. See how to add RDM on youtube, after client use, change first hardware VM--> add a new hard disk--> choose Raw Device Mapping--> (physical or virtual) mode--> store it with folder VM - FACT
  13. Start the virtual machine, now your VM should see both drives, with good data course :-)

  I have just made this procedure (add ROW with data in Linux VM) on ubuntu VM, works well

  See you soon
  Artur
  

  Please, do not forget the points of call of the "useful" or "correct" answers

• resize the disk space on the virtual machine

  Hello!

  I have a small problem, when I converted a virtual machine on my esx server so I chose 14FR for the virtual machine.

  But I now realize that I need more space on the virtual machine. but the problem is that I stop the virtual machine and

  give more space but the does not get more space than any alcolated in diskmgmt. and there I have to

  make a new partition.

  Can I add a disc more on C: by do not format the drive? or can I add more disk space to a new partition

  (if I add 20 GB now and want to add 20 extra GB to the same partition in 2 months or something like that?) ??

  Thank you

  / R

  http://malaysiavm.com/blog/how-to-resize-Windows-2003-Server-virtual-disk-on-VMware-ESX/

  Here is the guide. Hope is useful.

  Craig

  vExpert 2009

  Malaysia, VMware communities - http://www.malaysiavm.com

• script to remove all the virtual machines in a folder or a group resource

  Someone at - it a script that will find all the virtual machines within a file or a group of resources and then delete the virtual machines?

  If you're dealing with a specific resource pool or a folder, you can use these.

  $vmlist = get-folder -name "TEST2"  | get-vm
  $vmlist = get-resourcepool -name TestServers | get-vm
  

  And then send it to something like this

  $vmlist | ForEach {
       If ($_.PowerState  -eq "PoweredOn")
            {
            Stop-VM -VM $_.Name -Confirm:$False
            }
       Remove-VM -VM $_.Name -Confirm:$False      }
  

  Also to find files of type VM

  get-folder -name | where {$_.IsChildTypeVM -eq "True"}
  

  Do you need to search the children files or resource pools as well?

  Dave

  VMware communities user moderator

  Now available - vSphere Quick Start Guide

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