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Zorluk: Çok zorCreate and Configure Virtual Machines

An administrator is configuring a new virtual machine named VM1 in the East US region. The deployment has the following requirements:

- The OS disk must be deployed as an Ephemeral OS disk using the virtual machine's local temp disk to reduce read/write latency.
- The virtual machine must use the Standard_D4s_v5 size, which features 44 vCPUs, 1616 GB of RAM, a 5050 GB cache limit, and a 100100 GB temp disk.
- The operating system must be deployed using a custom Windows Server 2022 image that has a size of 127127 GB.

What is the result when the administrator attempts to deploy this virtual machine?

  1. The deployment fails because the 127127 GB size of the custom OS image exceeds the 100100 GB local temp disk capacity of the Standard_D4s_v5 virtual machine size.Cevap
  2. B
    The deployment fails because Ephemeral OS disks are unsupported when deploying virtual machines to an Availability Zone.
  3. C
    The deployment fails because the custom image must first be converted to a zone-redundant storage (ZRS) tier before it can be used for Ephemeral OS disk creation.
  4. D
    The deployment succeeds, but the OS disk is automatically provisioned as a Premium SSD managed disk, which will incur standard monthly storage charges.

Cevap

The deployment fails because the custom OS image size exceeds the local temp disk capacity of the virtual machine size.
The correct option states that the deployment will fail because the custom OS image size (127127 GB) exceeds the capacity of the local temp disk (100100 GB) of the Standard_D4s_v5 virtual machine size. Ephemeral OS disks are hosted on the local storage of the Azure VM host. Therefore, the size of the custom OS image cannot exceed the local cache or temp disk limit specified by the VM size.

Adım Adım Çözüm

1
Determine the placement option for the Ephemeral OS disk.
The requirement specifies using the VM's local temp disk (resource disk) for Ephemeral OS disk placement.
Ephemeral OS disks can be placed either in the VM's OS cache or the temp disk, depending on the VM size and placement configuration.
2
Compare the size of the OS image with the capacity of the selected placement option.
The custom image size (127127 GB) is compared against the Standard_D4s_v5 temp disk capacity (100100 GB).
For an Ephemeral OS disk deployment to succeed, the OS image size must be less than or equal to the capacity of the cache or temp disk on the chosen VM size.
3
Evaluate the deployment outcome based on the storage limits.
Since 127127 GB is greater than 100100 GB, the deployment fails during the validation phase.
There is insufficient local storage on the Standard_D4s_v5 host temp disk to accommodate the 127127 GB custom OS image.

Anahtar Kavram

Ephemeral OS Disk Sizing Limitations
Tahmini Süre:2m 0s
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Konular

Create and Configure Virtual Machines

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