How To Install Uuid.bios Powercli. Repair
September 18, 2021
Here are some simple methods that can help solve the powercli uuid.bios problem.
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This is why we download virtual machine templates if you want to create standalone ESXi 4.1 hosts before you need to connect them to the vCenter from which the template UUID will be fetched. We use Veeam Backup to restore models so that users can be compressed enough to burn them to DVD.
I need a quick PowerShell script that will probably install a custom BIOS.Value-uuid suitable for a named VM on ESXi 4.1. In KB 1002403 VMware contains the latest Pearl script you can use to do this, but we are a PowerShell repository so it will be easier to adapt in the future. Ideally, the script should generate a pseudo-random UUID without user intervention. For example, set the last digits and use the current month, day and minute (MMDDMM, for example 100111).
Of course, vCenter creates the base UUIDs for our production VMs. It is simply a matter of managing all of the original models that we upload to the individual “factory” servers.
VMware has also made a significant and conscious investment in vRealize Automation with high access. For medium to large deployments, VMware recommends using the built-in balancer (Citrix, F5, NSX) for disk distribution between the vRA appliance and infrastructure segments, and for clustering databases (for example, for MS SQL Availability Groups) with a high availability database. In addition, while using vRA 7.3, VMware added robotic failover support to the vRA Appliance’s embedded PostgreSQL database, which was previously done manually.
However, there is a clear difference between high availability and therefore disaster recovery. Typically, high availability includes redundancy within a site, and a site is not considered a protection against severe site failure. The Site Recovery Manager (or other replication product) is designed to protect the vRA in a disaster recovery state, which is described in more detail in the following document:
- vRealize Suite 7.0 Disaster Recovery Using Site Recovery Manager 6.1
In my opinion, there are two important aspects that I want to highlight in this blog post: recovering the UUID in Virtual machines and changing the vRA IP address. I will take care of the following tasks in the order in which you would normally do the following if you were unable to complete another vRA for disaster recovery:
- Export VM UUID
- Change address
- Import VM UUIDs for Internet Protocol Addresses
I will also consider how to change the VM reservation. This is also an important step, but is already well documented in the VMware documentation.
Note. This blog post does not recommend configuring VM replication software such as Site Recovery Manager, Zerto, or RecoverPoint, but focuses on the aspects of disaster recovery that are relevant to the vRA itself. To learn how to configure duplicate virtual machines on the disaster recovery site, refer to the documentation for the respective product representative.
VMware only has two UUIDs to identify a virtual machine. The BIOS UUID (uuid.bios in the .vmx file) was the original VM ID implemented to allow you to identify the VMMy machine, and expands from the hardware virtual machine that needs to be provisioned. But this is not unique. If the VM is cloned, the clone will most likely have the same BIOS UUID. Second, the identifier was generated as an instance UUID (vc.uuid in .vmx, special file) generated by vCenter, or is unique within the same vCenter (sometimes two virtual machines in different vCenters may have the same instance UUID).
Instance UUIDs change during virtual machine failover. Compare VirtualMachine.Admin.AgentID (Instance-UUID) and VirtualMachine.Admin. (BIOS-UUID-UUID) on the original and failed VM above.
Why is this important? Car contains the UUID of the vRA instance for tracking managed virtual machines. If the UUID of the instance changes, vRA will show additional virtual machines as missing infrastructure under> Managed machines. And you can’t manage them?
It is therefore invaluable to export the UUIDs of VM instances before failover, which can then be written back to their original values. This is how you can use PowerCLI to get toEach uuid instance for a specific virtual machine:
> (Get-VM vmname) .extensiondata.config.InstanceUUID
Here on the github page you can find a nice robust script I have attached to it to export the UUIDs of almost all VM instances as CSV.
After you bookmark the instance UUID, you can failover. The vRA components can indeed be launched shortly after the command:
- MS SQL Database
- vRA Appliance
- IaaS Server
If the MLM subnets with all connected components span two sites, the virtual machines when they start in disaster recovery mode, no further reconfiguration is required. But this is usually not the case, and the servers must have an IP address as well. The network settings of an IAAS server are usually changed in the same way as on any other Windows server.
The network settings for the vRealize appliance were changed while managing the vRA appliance, available at https: // oui-appliance-hostname: 5480 under the Network> Address tab. The problem is, if the IP addresses change along with the changed crash re By the decision, it will be difficult to communicate with the vRA device on that particular network. To work around this issue, stop at the vRA Console vm and run the following script through the CLI. You can change the network settings of the device:
# / opt / vmware / share / vami / vami_config_net
Don’t forget if you want to update the DNS record to work with the vRA device in DNS. For IaaS hosting servers, this is not necessary if you enable dynamic DNS update (ddns).
After failover, all of your virtual machines will have a None status in vRA. To prevent vRA from discovering many other virtual machines, you must reset the instance UUID to different values. In PowerCLI, this can be done in the following ways:
> $ spec New-Object = VMware.Vim.VirtualMachineConfigSpec
> $ spec.instanceUuid equals $ vm â’52da9b14-0060-dc51-4733-3b01e912edd2â € ²
> = Get-VM -Name mv_name
> $ vm.Extensiondata.ReconfigVM_Task ($ spec)
I wrote another script that does this job for you, and someone can find it on my github page. Will
You will need two files to build the script. The application you createdvm_vc_uuids.csv was previously created when the UUID of the original VM instance was sold. And also a list of remote VMs in CSV format that your company can export from vRA after some sort of failover on the Infrastructure> Managed Machines page:
This is an example of script command line parameters and also the output:
Inventory data should be collected on most of the Infrastructure> Compute> Compute Resources page. The VRA discovers virtual machines and updates them to On.
If you try to start 2 days while starting a virtual machine with an old reservation, everyone will get the same error message:
Processing error [Shutdown], error details:
Unable to access product managed property runtime.powerState (null)
Inner Exception: Object reference is not configured to help you with an object instance.
On the Infrastructure> Managed Machines page, hover over to update the virtual machine reservation sizeGo to our own virtual machine and select “Reservation”:
Obviously, this change plan cannot be scaled up as it can take hours to save hundreds of virtual machines. VMware offers all the workarounds that allow you to redesign all virtual machines using the bulk import feature available under Infrastructure> Administration> Bulk Import. The idea was that you could export all the VM configuration details to a CSV statement, import the storage calculation and reservation columns into vRA. VRealize Suite 7.0 Disaster Recovery with Site Recovery Manager 6.1 provides step-by-step instructions on how to do this in the Bulk Import, Upgrade, or Migration of Virtual Machines section.
Hope this website post has helped fill in some of the gaps in the VMware documentation. As usual, if you have any questions or comments, feel free to leave them in the comments below.
- vRealize Suite 7.0 Disaster Recovery Using Site Recovery Manager 6.1
- Unique identification of virtual machinesusing vSphere and vCloud. Part 1: Overview
- Unique identification of virtual machines in vSphere with vCloud 2: partially technical
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