Large SQL virtual machines running on ESXi

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• All virtual machines running on ESXi 5.1 statement of Rx packet loss

  Can some of you please do me a favor? Find a virtual machine of yours running on ESXi 5.1, preferably 1117900 and let me know if you see a Rx packet loss in performance stats vCenter provides. Each single VM in my environment records packet loss. Virtual machines running on ESXi 5.0 are not related that at all. This also isn't a problem at the level of the host that there is no loss of package noted it.

  This is a known bug-

  http://KB.VMware.com/kb/2052917

• How to count the number of virtual machines on an ESXi server via command line

  I want to know the number of virtual machines running on ESXi. What is the command so that it...?

  "vim - cmd vmsvc/getallvms"

  This order list of the early running of the ESXi Server virtual machine, but I want the number (integer)

  Help, please...

  Thank you

  M@RK! V

  Hello

  You can use the PowerCLI command to get a VM number:

  SE connect-VIServer-Server "ESXi host or vCenter server.

  (Get-VM-location 'ESXi host') .count

  Elodie

• Call recording on the virtual machine running on Cisco UCS

  We evaluate the requirements for implementing call recording in our environment. Ideally the call recording server to run as a virtual machine on an ESXi host running like a blade on a Cisco UCS. I know that I need to set up RSPAN between my physical switches and turn the "Promiscuous" mode on my vSwitch which would be connected to the virtual machine. Where I'm stuck, how the NETWORK adapter that is connected to my vSwitch would be able to sniff this traffic? Are there requirements when I implemented the vNIC on the UCS or VMWare or under the physical being connected to the span port card desired traffic will get to my VM as a controlled traffic?

  Thank you.

  No we are not running Cisco UCM. We have a 3rd party VOIP solution. I think I got the answer I need... we need to order a series C for our UCS Server manage the recording of calls.

  Thank you.

• Virtual machine running on snapshot but there are no spanpshot on the Snapshot Manager.

  Hi all,

  After a backup with VMware Data Recovery failure (error-3960 cannot suspend virtual machine), I have a virtual machine running on snapshot (see attachment) but there is no snapshot on the Snapshot Manager. Is the command to "consolidate" (I have never used this feature) the solution?

  Thank you.

  Marco.

  OK let me explain.

  As the chain of snapshot is not displayed in snapshot Manager, you can correct this problem in two ways.

  1 engage the snapshot command line. If you are uncomfortable in the command line, follow this KB KB VMware: commit snapshots on ESXi host command line if you are not comfortable follow step 2.

  2. create a new snapshot for this virtual machine (this will create a chain of snapshot, and you can see the snapshot in the Snapshot Manager), once the snapshot is created successfully. You can remove the snapshot in the Snapshot Manager.

  Hope this is clear. Let me know if not

• VCenter Server installed as a virtual machine within a ESXi servers it manages?

  Hi all.  I'm new in the world of VSphere... still in my evaluation period.

  I have only a single ESXi server running at the moment but plans to add a second later for high availability, vmotion, increase general capacity, etc.  They are / will be ESXi running on the internal storage and the virtual machines running on a shared SAN.

  Today, I installed VCenter Server 4 on a server at bottom of range/Office that I was carrying around running XP Pro x 64.

  As I was installing I read the guide installation and to my surprise, it seems to recommend that I have installed VCenter Server 4 as a virtual machine on my ESXi host.

  Now maybe I just spent too much time setting up my without new Lefthand requiring a 'witness' during the failover of one SAN to another... but I was under the impression that VCenter Server is not designed simply to host configuration, but is also designed to act as a 'witness' or to take account of quorum whenever a failure scenario occurred on one of my ESXi hosts.  I also noticed the VCenter Server features of a port "heartbeat", which I suppose one would use for the ESXi server heartbeat, but perhaps it is used for "connected mode" with other VCenter servers (I was intending to use only one since it is a small scale installation) I also felt that it would be useful enough to restore a damaged or shot ESXi host.

  So my question is, if my ESXi host dies and it is where I have VCenter Server installed, then high availability will be unable to work?  I guess there are going to be other issues with me unable to access VCenter Server while I have an ESXi host shot, too, as a greater difficulty to get the ESXi up?

  Maybe I'm wrong understand the purpose of the VCenter server... maybe it's not something that's necessary for HA, recovery, etc. and acts only as a configuration tool until something is wrong?  Or maybe I misunderstood the installation guide and they recommend only installing VCenter Server on an ESX box... they don't want this ESX box to be part of the group that manages the server?

  Finally, if indeed they recommend I install this on a ESXi host manages... would I ideally be install this for local storage on the server (where I installed ESXi) or on the SAN (where all my other virtual machines are installed)... or is it just personal preference?

  Thank you!!

  When you add hosts an active hemagglutinin vCenter cluster HA agent is installed on it.  This agent is what is actually the HA.  While necessary to add new hosts in a cluster and configure some specific parameters of vCenter vCenter's agents HA are self-sufficient and can handle HA failover so vCenter is offline.

  You must install the vCenter VM on SAN storage, so that he can use the vMotion, sVmotion, DRS, HA, functions etc. that require a SAN.

  -MattG

  If you find this information useful, please give points to "correct" or "useful".

• Extend a datastore in vCenter with virtual machines running

  We have expanded our Volume and unit number logic on our NetApp SATA VMStore from 2 TB to 4 TB, we now want to expand in vCenter, I'm ok to do this within office hours, while VMS are running on the data store?

  Going via configuration - storage - etc etc...

  It should be good. Off-peak hours are preferable, because you must make playback etc.

  This will not affect the virtual machine running inside.

  Unless there is a particular requirement, why not go with 2 TB Lun? I mean add another 2 TB logical unit number rather than add a measure?

• Impossible to reconnect to a virtual machine running

  Hello

  I removed decadent a virtual machine running in the inventory.

  The machine virtual is critical and cannot be stopped.

  When I try to browse the data store the option "add to the inventory" is grayed out.

  How can I reconnect it to the inventory?

  Thank you

  Boaz

  Alternatively, you can try to reboot the virtual machine in vCenter:

  1 vim - cmd vmsvc/getallvms

  2 vim - cmd vmsvc/reload xx
  (xx is the VMID provided by the first command)

• 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

• List of Cluster and the virtual machines running on this group

  Hello

  I am looking for a way to discover all of the virtual machines that belong to a cluster. In other words, I want a list that maps a cluster to all virtual machines running on it.

  In the documentation of the API, I find that "ClousterComputeResouce"has a managed object to "HostSystem" reference. "

  And "HostSystem" is a reference to managed object to the 'VirtualMachine'.

  So I can do it like this: ClusterComputeResource-> ManagedObjectRefence-> ManagedObjectRefence (VirtualMachine)-> whatever_properties_I_need_from_the_VM (HostSystem).

  However, this would cause a lot of ' Vim::get_views"calls within a"foreach"loop." It would be a deterrent to performance as the vCetner in question has ~ 50 clusters and has ~ 3500 running VMs.

  I think this was going to literally kill the VirtualCenter with so many API calls.

  My Question: is there an effective way to find Cluster and their respective VMs in vSphere SDK Perl.

  In vSphere client, we get the tab 'Virtual Machine' when we click on the Cluster and you can see all the virtual machines that belong to this cluster. So I hope that there must be an easier way.

  Thank you.

  Hello

  You don't need the host_view for this action. Why don't you use begin_entity for views of the vm?

  my $cluster = 'cluster1. "

  My $cluster_view = Vim::find_entity_view (view_type-online 'ClusterComputeResource',

  filter => {"name"-online qr / ^ $cluster / I});
  {if ($cluster_view)}
  My $vm_views = Vim::find_entity_views (view_type-online 'VirtualMachine',

  begin_entity => $cluster_view.

  Properties-online ['name']);
  foreach {$vm_ref(@$vm_views) my
  print $vm_ref--> name. » \n » ;
  }
  }

  Hope that helps!

  Greetings, Chris

• You can enable CDP on a host with virtual machines running?

  I want to activate CDP on my 3 hosts vShpere 4.1. Each host has about 20 guests on this subject. If I activate CDP via putty will affect the network connectivity of the virtual machines running on the vSwitch? Can I move all the VMS hospitality first?

  Hi Letstub,

  There is no need to evacuate your virtual machines from the vSwitch. Enable or disable CDP has no impact on the communications of the network of virtual machines. The following article that explains how to enable CDP mentions this prerequisite:

  • http://KB.VMware.com/selfservice/microsites/search.do?cmd=displayKC&docType=kc&externalId=1003885

  Good luck.

  Concerning

  Franck

• Cannot import Microsoft Windows Server 2008 R2 with Hyper-V virtual machines to VMware ESXi 4.

  Hi team,

  I use VMware vCenter Converter Standalone to import certain Microsoft Windows Server 2008 R2 with Hyper-V virtual machines to VMware ESXi 4, using another Windows Server 2008 R2 as the machine Agent Converter. Well, the agent connects to the Windows VM source very well (I used the net use command to create a line of conduct...), perhaps no chance to connect to the computer target VMware ESxi 4 and make the converter doesn't work...

  Following is the error message:

  "Unable to connect to the host specified" from the converter agent machine. " It is perhaps because the host is not available on the network, there is a problem with the network configuration or management on this host services do not react. Check all components of converter to be able to connect.

  So, my question is; is it possible to create a work around (like the net use Windows command above) to make possible the connection of the converter Agent on Linux VMware ESXi 4 machine Windows machine, to directly import the virtual machines of Windows Hyper-V to Linux VMware?

  Thanks in advance,

  It's even easier than that

  Use this: http://www.winimage.com/

  Which will convert *.vhd *.vmdk, so you don't need to do all this... Of course, another way is to start the machines, leaving them on Hyper-V and go through the network and process virtual machine as physical machines and do a P2V on the network...

• Best way to transfer virtual machines in ESX ESXi?

  Hi all

  Anyone know an easy secure way to transfer a virtual machine on ESX ESXi 3.5?

  Stop the virtual machine, copy the files from the computer virtual, then "Add to inventory" on ESX

  ---

  VMware vExpert 2009

  http://blog.vadmin.ru

• Virtual machines, run extremely slow when the console is consulted 2 virtual machines Windows Server 2008 64-bit, Windows Server 2003 32-bit, 2 VMWare for virtual machine

  I'm in a difficult situtaition here.  I am the daily contact with a new client.  My linux guy, who is also my boss who is very busy, asked me to do some research trying to find answers for what's not on this server. We have a dual Quad Core 2.5 Ghz Lenovo server with 10 GB of ram.  2 500 GB hard drives are Raid 1.  We run Virtual Server VMWare 2 on a Debian with Gnome installation as a user interface for the side of things Linux.  Grub is the boot loader. There are two virtual machines running on the server.  The one machine that serves as a domain controller is a Windows SBS 2008 Server 64 bit, and the secondary machine has no responsibility domain.  The second machine is a Windows Server 2003 32-bit.  the 10 GB of ram 6 GB is allocated to the SBS server and 4 GB to the 2003 server.

  The problem I am running into is that everything is so slow, especially if I connect remotely to do any sort of administration on the network.  Some examples of issues I've noticed is that as soon as I log on the server via Remote Desktop SBS console management Windows Server spike to 80-95% CPU usage and it will not stop unless I close the management console.  Another instance is that if I open Backup Exec 12.5 on the SBS server it will kill the speed of the processor as well.  Long story short, there are a lot of machine to do what we need to do, but something is not configured right and non of us know what it is.  Another point to note is that the server has been in production for about 3 weeks, and the server seemed to have locked up just twice.  My professional guess is that over time, some chose thing is eating causing the crash of the memory.

  Sorry I do not have much technical insight on this topic, but this is the best I have to offer.  Any questions you all have, I'll ask my people and see if I can answer, but I could really use your help here.

  Thank you in advance,

  Heath

  2 things:

  1 you really need hard drives more than 2 in a RAID 1 for proper performance under load. More disks the better. Although I don't think that's what your problem is, he'll probably be the problem Next you will do.

  2. I don't know exactly where the configuration file is on your box of Debian for VMware Server, but you should consider adding the following options in the configuration file (on windows, it's the vmware 'config.ini'):

  prefvmx.minVmMemPct = "100".

  MemTrimRate = 0

  sched.mem.pshare.Enable = "FALSE".

  mainMem.useNamedFile = "FALSE".

  If you do some research, you can read about what these options (the largest is the memory page sharing - it should only be left on if you have a bunch of similar virtual machines running on the same box, that you don't have.) I honestly know why this is on by default, he kills the CPU when virtual machines are running different operating systems). These are the options that I now use standard in VMware Server deployments, with huge performance increases after you have added the. Just give a try.

  Edit: Also make sure that you have installed in your virtual machines VMware tools.

  Dimitri Rodis

  Integrita Systems LLC

  http://www.integritasystems.com

• Compare with virtual machines running VMs

  So, recently, we had a major problem in our environment where a ton of virtual machines registered of VC and even became unmaged by facilitators, so we had to go to each host compare managed virtual machines running virtual machines.  Is there a way to do this in Powershell?  My brain is fried so I didn't have much luck.  Thank you!

  Could the script in this post, HowTo find all VMX files in all data warehouses and store them in VC?, maybe help you?