VM Snapshots

 
 
 
 
The VM snapshot features are supported from Accelerite CloudPlatform 4.2.0 onwards. You can now take a VM snapshot of the entire VM, including its volumes, memory, and CPU state. VM snapshots reside on primary storage. VM snapshots can have a parent/child relationship. Each VM snapshot can have one (or zero) parent snapshot. The succeeding snapshot of the same VM is the child of the current snapshot. A current snapshot refers to the most recent snapshot compared to the current state of the VM. There are two types of snapshots:
  • Disk - This takes snapshot of all disks of specified VM
  • Disk and Memory - This takes CPU/memory snapshot in addition to disks snapshot
Note:
  • The Hyper-V VM does not support the VM snapshot feature.
  • You cannot attach additional volume to a VM that has snapshots.
  • Data disk associated with VM that has snapshots cannot be removed.
  • When you destroy a VM, all snapshots are deleted.
 

Perform the following steps to create and manage a VM Snapshot.

 
To create a VM Snapshot
  1. Log in to CloudPortal Business Manager as a user.
  2. Click My Services.
  3. Either click the cloud service instance tab or click the Manage Resources link of the desired service instance.
  4. In the Instances tab, specify the VM for which you want to create a snapshot. Alternatively, you can select the required VM from the left pane.
  5. Place the cursor over the manage icon (that looks like a gear wheel), and click Take VM Snapshot. In the Take VM Snapshot wizard that appears:
    1. Specify the name and description of the VM snapshot. These fields are optional.
    2. Check the Snapshot Memory checkbox, if you want to take 'disk and memory' snapshot.
      Note:
      • When the Snapshot Memory checkbox is unchecked, the VM snapshot taken is a 'disk' snapshot.
      • When the state of VM is:
        • Running: Both 'disk and memory' and 'disk' snapshots can be taken.
        • Stopped: Only 'disk' snapshots can be taken.
    3. Select the I agree to the Terms and Conditions check box.
    4. Click OK.
 

The snapshot is created and labelled as 'Current'. The Snapshots tab in the details pane displays the list of all the snapshots.

 
To revert a VM to a Snapshot
  1. Log in to CloudPortal Business Manager as a user.
  2. Click My Services.
  3. Either click the cloud service instance tab or click the Manage Resources link of the desired service instance.
  4. In the Instances tab, select the required VM on the left pane.
  5. Go to the Snapshots tab in the details pane.
  6. Select the snapshot that you want the VM to revert to.
  7. Click the icon (that appears as a gear wheel).
  8. Click Revert VM to Snapshot.
 
Note:
  • The snapshot must be in 'Ready' state.
  • The snapshot to which a VM is reverted becomes the current snapshot.
  • On reverting a VM snapshot of 'disk and memory' type, the VM will be in the 'Running' state.
  • On reverting a VM snapshot of 'disk' type, the VM will be in the 'Stopped' state.
 
To delete a VM Snapshot
  1. Log in to CloudPortal Business Manager as a user.
  2. Click My Services.
  3. Either click the cloud service instance tab or click the Manage Resources link of the desired service instance.
  4. In the Instances tab, select the required VM on the left pane.
  5. Go to the Snapshots tab in the details pane.
  6. Select the snapshot that you want to delete.
  7. Click the icon (that appears as a gear wheel).
  8. Click Delete VM Snapshot.
 
Note: If a current snapshot having a parent is deleted, then the parent snapshot becomes the current snapshot.
 
To view details of a VM Snapshot
  1. Log in to CloudPortal Business Manager as a user.
  2. Click My Services.
  3. Either click the cloud service instance tab or click the Manage Resources link of the desired service instance.
  4. In the Instances tab, select the required VM on the left pane.
  5. Go to the Snapshots tab in the details pane.
  6. Click the icon (that appears as a gear wheel).
  7. Click View Details.
  8. The page navigates to the Snapshots tab for the selected Accelerite CloudPlatform instance.
 
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