Terrible performance virtual machine running SAV 10

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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

• 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

• 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

• 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)

• 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

• 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

• 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?

• Configuration of IPSec in VMWare ESXi can be applied to virtual machines running?

  Hello

  I have an operating system running inside VMWare ESXi 5.1.  Let's call is "MyLinux".  It is a modified version of Linux which does not support IPSec.  So I try to get VMWare to manipulate IPSec for MyLinux.

  I used esxcli orders to successfully create configurations for IPSec between VMWare itself and other systems.

  However, I wonder if I can use the same esxcli commands to configure IPSec between MyLinux and other systems?  In my tests, VMWare does not perform tunneling IPSec data between the running machines and other virtual systems.

  It is an illustration of the configuration I created for MyLinux in VMWare.  I also have a security policy that is not visible.

  Name Source address Destination address State SPI Mode Encryption Algorithm, integrity algorithm to life

  --------                              -------------------------------------      -------------------------------------  ------      -----     ---------     --------------------               -------------------           --------

  MyLinuxToExternalSA MyLINUX.IPv6.ADDRESS EXTERNAL. Mature IPv6.ADDRESS infinity 0 x 300 transport 3des-cbc hmac-sha2-256

  ExternalToMyLinuxSA EXTERNAL. IPv6.ADDRESS infinite mature MyLINUX.IPv6.ADDRESS of hmac-sha2-256 0 x 256 transport 3des-cbc

  When I captured a trace TCP ping between MyLinux and the external system, MyLinux never sent the IPSec packets. Everything was sent in the clear.  This suggests that VMWare does not apply the rule for MyLinux, but I would like to confirm.  Thank you.

  Kwabena

  When you configure IPSec on ESXi, you sécuriserez the VMkernel traffic, not the virtual machine... If you want to protect the traffic of the virtual machine, you will need to enable IPSec on guest operating system.

  Here is more information on IPSec on ESXi: VMware KB: IPv6 and IPsec configuration on vSphere ESX and ESXi 4.1, 5.x ESXi

• Large SQL virtual machines running on ESXi

  Hello

  When you decide to run or do not run large SQL VMs on ESXi, what are the points that you take into consideration?

  -How much memory physical RAM more should the ESXi host at least have in relation to the virtual machine? If I have a Go 96 VM on a host of 144 GB, you would use this room for other virtual machines as well? Would you go to bigger hosts? Or that you would a one-VM-host?

  -In a "a virtual machine by host" scenario, is there still a sufficient reasons to virtualize the VM? VMotion, the portability of the virtual machine, adding disks, disks, resizing easy resize memory still reason enough to virtualize this VM?

  -When I add now Microsoft clustering in the equation, killing VMotion and flexibility, it is always possible to virtualize this SQL Server?

  I know how capable ESXi is the delivery of this workload. I have the white papers of performance on HOW to virtualize SQL successfully. My question is above all on: If you...

  Gabrié

  It is like arguing about policy; There are people with all kinds of views and a large part of it boils down to personal opinions. Some things to consider;

  (1) you do not mention how CRITICISM (aversion to downtime) is the database. If it is super important, certainly looking to HA or even fault tolerance. This increases considerably resources on a virtual machine.

  (2) even if you use one approach "a virtual machine by host", you must make sure that the availability on OTHER hosts in the case where HA is triggered.  So you have basically two hosts per VM

  (3) in view of the above, and how this intensifies that you get in redundancy, HA and FT, you can compare the cost a cluster HA environment.

  We personally, it is facing a prior work. We went with material in the physical server cluster.  In my opinion, if the server is simply great, but didn't need to HA or FT, then I would consider virtualization it. If she needs these features, the fresh material support worsen significantly. Size alone is not a huge problem, assuming you have the SAN space or storage. I am currently supports environments with virtual machines that are more than 1 TB and will work perfectly.

  I hope this helps.

• Set of workflow Performance Virtual Machine

  Hi all

  I'm trying to fix limits of network performance using the workflow to "Define the performance of the virtual machine" in the library of Orchestrator (library - & gt; vCenter - & gt; Virtual Machine Management - & gt; Basic). My network is a dvPortGroup - and I want to put things like average bandwidth, bandwidth, burst size.

  I know that this stream supports and when I run the stream with the values defined by hand, newspapers said the executed correctly flow. However, when I look at the properties of the dvPortGroup I see no change.

  I'm confused on how this should work. My virtual machine will have two NICs (connected to two different dvPortGroups) and I want to apply the formatting only to a network card. Where is this done shaping? In the virtual machine or the dvPortGroup? Where I should be able to see the applied values?

  Thank you!

  VirtualMachineConfigInfo.networkShaper property can be changed only in ESX 2.5 and earlier versions. For ESX 3.0 and later versions, this property is not populated. In order to change the newtork formatting, you must configure the network traffic by changing the HostNetworkTrafficShapingPolicy which is available on the HostVirtualSwitch or HostPortGroup.

  As a result, the workflow would not change everything well for network shape for ESX 4.0 and this is why you do not see the changes.

  Hope it will be useful.

• Guest operating system freezes in a virtual machine running Workstation 6.5

  Hi, I am currently evaluating VMWare Workstation 6.5.1 (build 126130) on Vista Business 64 - bit and have migrated a physical installation of Windows XP Pro SP3 to a virtual machine.

  The virtual machine performs well except occasional crash which can only be remedied by the suspension and resumption of the virtual machine.

  I have searched the forums for related issues, but have not yet found a solution.

  Currently, it seems that the disconnection occurs when I have access to the network in the virtual machine, but it is hard to confirm.

  I turned on logging (attached a log file that precedes a gel), but the content does not tell me much. Are there other tools/options to diagnose this problem?

  Concerning

  Peter

  I solved my instance of the problem.

  Recently, I upgraded my host to a dual Intel processor hardware heart system Vista 64. After the upgrade, I changed the settings of the processor to use 2 virtual processors within the virtual machine.  I have run several virtual machines from XP (32 bit), Windows Server 2003 (32-bit) and Windows 2008 (64-bit).  On all of the virtual machine, I changed the setting to use 2 virtual processors.   I lived this problem only on the XP VM.  After looking on XP VM VMware debugging logs, always caused freezing of the errors be connected that the VM could not ask an interruption.  As this now seems a problem of interruption (rather than deliver a network - although the operation of the network were the trigger), I immediately thought of the CPU setting I changed.  I changed the number of virtual processors to one and the problem disappeared!  As I discovered other positions within this community, VMware will benefit from two cores, but does so at the level host hardware and not in the VM then.  BTW... My Windows 2003 and Windows 2008 VM retains the value to 2 virtual processors that they perform very well.

  I hope this helps some other members who have similar problems.

  -Chris

• Monitoring of virtual machines running on the UCS blades

  We are in the process of migration of servers HP rack to Cisco UCS blades. I have 4 blades UCS running ESXi and dΘmarrez from SAN. We have configured in HP SIM HP servers to monitor hardware issues and the status of the VM. Now Let's watch the material of the UCS in UCS Manager, but I still need to monitor the status of virtual machines. I looked at existing Solarwinds NPM we have all our ESXi HP servers to Solarwinds. What I've discovered, is that we cannot add the individual to NPM ESXi blades, because we can not configure SNMP (or we).

  Which means that migrate us from HP servers for UCS blades, we lose the ability to monitor the State of the CPU and VM.

  How people monitor their virtual machines in an environment of UCS?

  Thank you.

  We monitor our UCS ESXi 5 with SNMP hosts and use Solarwinds NPM.  It works well.  These are the commands that we send through our VMA (free VMware) server to a new host.

  vicfg-snmp - root server - username - password it

  vicfg-snmp - root server - username - password you @162.

  vicfg-snmp - root server - username - password e

  There's probably a way to do it on the console of the host, but I don't know what it could be.

• Virtual machines running Win 7 OS

  I'm trying to get information on how to configure a virtual machine for Windows 7. I use virtual machines demonstrate software that writes my business. I have a virtual pc that is different for each demo that I show up to now, I've been showing the software in XP virtual machines but want to migrate and start showing the software in a version of Windows 7.

  I use Windows 7 Ultimate which is what I thought was necessary to create a virtual machine from Windows 7, but it isn't clear how get the operating system in the virtual machine. Should I buy another license of Windows 7 to make it work? I'll be able to create multiple virtual pc if I buy another copy? Virtual PC uses the 64-bit version?

  Any information would be greatly appreciated.

  Thanks - BP

  Unfortunately the Virtual Machines have their own separate license from the license of the host system. There are also a separate license for each simultaneous installation.

  In order to run a 64-bit VM host must be running in 64-bit as well, even if a 64-bit host can run 32-bit VM

  Each virtual machine is at least 2 files, a configuration file and then 1 VHD file for each hard disk, you configure (you can have more than one) in the virtual machine. You can have any number of virtual images, but the memory that you allocate is claimed when you run the machine will be how many can run at a time that is limited to the amount of physical memory in the computer, allowing for some to be available for the host o/s.

  Once you have the license of Windows 7 either convert the disk ISO (I use ISORecorder) or download the ISO image equivalent of Digital River. When you create the VM configuration use the control panel to include an optical drive and load the ISO in the drive. When you start the virtual machine, it will be BIOS start the virtual machine, exactly as if it were a physical computer and load the ISO the same as would a Windows 7 disc. It also works if you convert your demo software into an ISO file and install more quickly without having to use the optical drive on the computer.