Growing default vCPU and memory set up on View Planner

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• Number of vCPU and reservation of memory in the CR

  Hello

  I'm looking for a power Cli script to find no reserved vCPU and Memory (GB) reserved a VM in the CR. The output to CSV with VM name have no vCPU and reserved memory.

  And also is it possible to findout the booking to a Cluster level.

  Thank you

  Kumar

  Of course, you should delete call Get-Cluster and pass the VC connection to the server cmdlet Get - VM parameter, see below:

  $myVC = connect-VIServer

  $vmsInfo = get-VM-Server $myVC | % { }

  $vmInfo = new-Object PSObject - property @{name = ";} MemoryReservationGB = 0; CPUReservationMHz = 0 ;} ;

  $vmInfo.Name = $_. Name;

  $vmInfo.CPUReservationMHz = $_. ExtensionData.ResourceConfig.CpuAllocation.Reservation

  $vmInfo.MemoryReservationGB = $_. ExtensionData.ResourceConfig.MemoryAllocation.Reservation / 1024;

  Return $vmInfo;

  }

  $vmsInfo | Export-Csv-Path "c:\tmp.csv".

• How do I dynamically change the the number of vCPU and amount of a virtual computer memory?

  Hi all

  My first question is how do I dynamically change the number of vCPU and amount of a computer virtual memory when the virtual machine is running? If so, this may be achieved by writing a few scrpits to inform the hypervisor?

  My second question is, I can start a virtual machine in KVM with the number of vCPUs and amount of memory configured in the startup script. I don't know if this is supported in vmware ESXi?

  I couldn't find the answer in the ESXi 5.0 user guide.

  Your suggestion will be highly appreciated.

  Cheng Wang

  http://sparrowangelstechnology.blogspot.com/2012/11/hot-add-of-CPU-and-memory-to-virtual.html

  You can change the ram and the CPU, but it must be enabled.

  by default, only it isn't.

  See this link to change the settings of vm via powercli

  http://ICT-freak.nl/2010/05/07/PowerCLI-script-to-schedule-memory-and-or-vCPU-updowngrade/

• Some Web sites require IE, and accidentally set Firefox as my default browser has completely messed up my desktop shortcuts.

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  I have the time to default iPhone 4 iOS 7.1.2 iPhone App not updated since the last 3 days and also checked all the settings for location and also set as new iPhone always present problem... Please try to fix... Thanx

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• Script to set the CPU and memory for VMS

  Hi all

  We have an environment with 100's of virtual machines. We have classified these VMs, and each category will have specific vMem and vCPU. Excel / csv spreadsheet has the list of virtual machines, as well as the values of vCPU and vMem. I'm looking for a script that can set the values of vCPU and vMem for virtual machines according to the directives of the excel sheet. If anyone can help with this?

  Thank you very much

  Try this.  I took the function of hotadd from here:

  http://ICT-freak.nl/2009/10/05/PowerCLI-EnableDisable-the-VM-hot-add-features/

  I tested against 1 VM and it works well.  It will make a loop and power all VM power off in parallel, then it will change all.  Then turn on all at the same time.  If you do not parallel you can change it.

  I would like to test in your lab or against 1-2 not prod the first VM.

  Same CSV colum

  VMNAME, MEM, CPU

  Function Enable-MemHotAdd($vm){    $vmview = Get-vm $vm | Get-View     $vmConfigSpec = New-Object VMware.Vim.VirtualMachineConfigSpec
  
      $extra = New-Object VMware.Vim.optionvalue    $extra.Key="mem.hotadd"    $extra.Value="true"    $vmConfigSpec.extraconfig += $extra
  
      $vmview.ReconfigVM($vmConfigSpec)}
  
  Function Enable-vCpuHotAdd($vm){    $vmview = Get-vm $vm | Get-View     $vmConfigSpec = New-Object VMware.Vim.VirtualMachineConfigSpec
  
      $extra = New-Object VMware.Vim.optionvalue    $extra.Key="vcpu.hotadd"    $extra.Value="true"    $vmConfigSpec.extraconfig += $extra
  
      $vmview.ReconfigVM($vmConfigSpec)}
  
  $vmlist = Import-CSV C:\csvfile.csv
  
  foreach ($item in $vmlist) {    $vmname = $item.vmname    Stop-VM -VM $vmname -RunAsync     }foreach ($item in $vmlist) {
  
      $vmname = $item.vmname    $cpu = $item.cpu    $mem = [int]$item.mem * 1024    Enable-MemHotAdd $vmname    Enable-vCpuHotAdd $vmname    Set-VM -VM $vmname -NumCpu $cpu -MemoryMB $mem -RunAsync -Confirm:$false
  
  }
  
  foreach ($item in $vmlist) {    $vmname = $item.vmname    Start-VM -VM $vmname -RunAsync     }
  

• How to set the processor affinity and memory.

  We have explicit recommendations of our application provider to set the processor affinity for one of our virtual machines running their product. However, this process is not quite clear to me despite the available docs. We are company ESXi 5.1 more.

  By looking at the tab "resources" for the parameters of the virtual computer you see under CPU:

  Actions (I would do that quite high so that it never goes to confront other good?)

  Booking

  Limit

  The requirement is to set aside x cores for the virtual machine while it is never claim to waiting or resource. They would also potentially implement affinity memory related to the same socket for the effectiveness of the NUMA node.

  We have a host with 2 8-core processors with 256 GB of memory. I'm not worried about the affinity of memory. This should be as simple as the control that the 'reserve any memory comments' correct?

  Is it simpler just set up a pool of resources for cela CPU and memory? The only concern I have is it if the processor uses the same memory channels. We do not want a CPU into a socket using the channel memory of another plug for this virtual machine.

  And it's too late to go back to physics for this system.

  Eeghads! Just FYI, the processor affinity is almost never what a seller really wants, even if they think they do. I can imagine there are valid use cases, but I spoke with several vendors who recommend this, and they were all wrong.

  From what I understand in your summary, the application is sensitive to the latency of the CPU. If the physical compute capacity, actions and reservations will address the latency. Latency is the only reason why they want to set the affinity, or are there others? If there is other, know what they are, because there is a good chance to those who are also invalid reasons. The processor affinity tends to exacerbate the problems you're having with loans time CPU and can often cause latency application MORE CPU than that without it. Yes, you can set up reserves of CPU to address these issues for this particular virtual machine, but you made life more difficult for the CPU scheduler. DRS involved in the loan time CPU, which means she won't necessarily move these other virtual machines on this host, even if they are jointly stop like crazy. While we're on the subject, this virtual machine would need to be excluded from automatic DRS migration, since you cannot vMotion with the processor affinity configured. It also means the virtual machine must be powered whenever his current host goes into maintenance mode.

  In any case, verification 'reserve any memory comments' will not affect memory locality. Will just leave all the pages of virtual memory with physical memory pages (another side effect interesting is that creates the virtual machine is no longer a pagefile on the boot). If you REALLY have to set the affinity to the CPU/memory, memory affinity can be set by changing the settings of the VM, the tab "resources", select Advanced Memory, and you can configure NUMBER here. In addition, if you had already seen it, the processor affinity is configured in the tab "resources", under Advanced CPU.

  I highly recommend you challenge the seller and ask if reservations CPU are sufficient. The planner of UC is already aware NUMA. VCPUs how they ask, anyway? Unless they want to more than 8, it is unlikely to split the virtual machine.

• Auto memory setting

  Hi all

  EBS R12.2.4

  OEL6

  We are now in place for the PROD instance.

  Default SGA for now our target is 1 GB.

  How can I configure our "auto memory setting" database with target LMS = 6 GB?

  What other parameters must be change who is affected by it?

  Kind regards

  JC

  We have only 30 users, but we have 24 GB of physical memory. So I'll go for the users of 501-1000 because I don't want my idle resources?

  Why do you need to activate it then MMA? Why not stick with the init settings in the same doc? If you have some performance issues then you must be addressed and fixing rather than activate the AMM. If no other env running on this server, you can certainly increase the size of the SGA for use of resources.

  I see really no problem in this thread and if we keep going in circles to identify a problem that there is NOT OR that it marks each useful/correct answer as if it was the case with most of your threads then this thread should be locked.

  Thank you

  Hussein

• Restrict the user admin reserveing VM the processor and memory on VM

  
  Hi team,

  Need your help. We have the cluster on which vm admin a permisstion to create the virtual machine. We limit so that they cannot create CPU & memory, booking on VMs.We have permisstion created at the level of the cluster. Please advice

  See the Documentation for virtual vSphere on Computer Configuration here: Library of vSphere 5.5 - Virtual Machine Configuration

  According to the document, the name of privilege 'virtual machine. Configuration.Change resources' allows you to change the configuration of a set of nodes of virtual machine resources in a given resource pool.

  You can edit or create a new role that disable this privilege.

  Clone the existing role assigned to the administrator of the virtual machine, and then change the cloned role.

  On the privilege, go to the virtual machine > Configuration > uncheck the resource of change

  

  Go to host & clusters, change the role of admin of vm of existing role to the new (cloned role) who does not have access to the resources for change.

  Now the vm admin not able to set up reserves, limit or actions on both the CPU and memory - but the user should always be able to change the number of vCPU or the size of the memory.

  

• Allocated memory and memory resource limit

  Hello

  I'm trying to get a better understanding of the memory allocated for a virtual computer when memory limit is set.

  For example:

  I created VM1 with 1 GB of RAM.  Subject, I left 0 by default.  But under the limit, the default value is unlimited.  I would indicate that Unlimited VM1 can use as much memory as it needs and that the ESX host can provide.

  If I set the limit to 2 GB, it does mean that VM1 can use more than 1 GB of RAM configured on built but can use up to 2 GB of RAM? From the file pdf resouce management, it appears that once you set the limit, the amount of memory configured on built is ignored, is that correct?

  CPU and memory limits default to unlimited. When the limit of memory is unlimited, the amount of memory configured for the virtual machine when you create becomes its implicit limit in most cases.

  chukarma wrote:

  I created VM1 with 1 GB of RAM.

  Think of this parameter as being equivalent to the amount of RAM that you install on a physical machine. The guest operating system can NEVER more than this amount.

  Subject, I left 0 by default.  But under the limit, the default value is unlimited.  I would indicate that Unlimited VM1 can use as much memory as it needs and that the ESX host can provide.

  The limit is use to restrict a virtual machine on your part until his assignment. For example, if you - for some reason-wanted to configure your virtual machine with / 3GB, but her access to more than 1 GB, you would set the attribution to 3 GB (it's how the guest operating system might think there), still set the limit to 1 GB - this is the maximum that ESX would allow the virtual machine to use at any time.

  If I set the limit to 2 GB, it does mean that VM1 can use more than 1 GB of RAM configured on built but can use up to 2 GB of RAM?

  No.... See the previous discussion.

  From the file pdf resouce management, it appears that once you set the limit, the amount of memory configured on built is ignored, is that correct?

  # If it is what deduced you, while the document needs to be clarified. The virtual machine can NEVER use physical RAM more than its allowance.

  CPU and memory limits default to unlimited. When the limit of memory is unlimited, the > amount of memory configured for the virtual machine when you create becomes sound > implicit limit in most cases.

  It is said that if the limit is 'Unlimited' (the default), then the 'quantity of memory configured for the virtual machine' (i.e. attribution), becomes the limit. It's just a convoluted way of saying that the virtual machine is unable to use more is attributed to him.

  Ken Cline

  Technical Director, virtualization

  Wells Landers

  TVAR Solutions, a company of the Wells Landers group

  VMware communities user moderator

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