The first step in enabling backup is to create one. This is achieved by using the New-AzRecoveryServicesBackupProtectionPolicy commandlet.
Here’s an example:
$policy = New-AzRecoveryServicesBackupProtectionPolicyObject -WorkloadType AzureVM
$policy.SchedulePolicyObject = New-AzRecoveryServicesBackupSchedulePolicyObject -WorkloadType AzureVM -ScheduleRunFrequency Daily -ScheduleRunTimes (Get-Date).AddHours(2) -ScheduleWeeklyDayOfWeek Sunday
$policy.RetentionPolicyObject = New-AzRecoveryServicesBackupRetentionPolicyObject -WorkloadType AzureVM -RetentionDailyCount 30
Set-AzRecoveryServicesBackupProtectionPolicy -BackupPolicy $policy
In this example, we’re creating a backup policy for Azure Virtual Machines to run daily, starting two hours from the present time, and storing a daily count for 30 days.
Configuring a Backup Using PowerShell
After creating a backup, you need to configure it. The Set-AzRecoveryServicesBackupProtectionPolicy commandlet is used in this step.
Here’s an example:
$vault = Get-AzRecoveryServicesVault -ResourceGroupName “TestRG” -Name “TestVault”
$policy = Get-AzRecoveryServicesBackupProtectionPolicy -WorkloadType AzureVM -Name “DefaultPolicy”
Set-AzRecoveryServicesBackupProtectionPolicy -BackupPolicy $policy -VaultId $vault.Id
Here we’re using the Get-AzRecoveryServicesVault and Get-AzRecoveryServicesBackupProtectionPolicy cmdlets to get the needed vault and policy. Then we bind the policy to the vault with Set-AzRecoveryServicesBackupProtectionPolicy
Restoring a Backup Using PowerShell
Restoring a backup is crucial, and it can be achieved by using the Restore-AzRecoveryServicesBackupItem commandlet.
Here’s how:
$vault = Get-AzRecoveryServicesVault -ResourceGroupName “TestRG” -Name “TestVault”
$container = Get-AzRecoveryServicesBackupContainer -ContainerType AzureVM -Status Registered -FriendlyName “TestVM” -VaultId $vault.Id
$rp = Get-AzRecoveryServicesBackupRecoveryPoint -Item $container[0] -StartDate (Get-Date).AddDays(-7) -EndDate (Get-Date) -VaultId $vault.Id
Restore-AzRecoveryServicesBackupItem -RecoveryPoint $rp[0] -VaultId $vault.Id
We’re getting the vault and the container here and then acquiring the recovery point from the past seven days. Lastly, we use Restore-AzRecoveryServicesBackupItem to restore the backup.
Enabling backup using PowerShell is a crucial skill for the AZ-600 exam, as it focuses heavily on scripting and automation. Understanding the usage of the commandlets and how they work could give you the edge you need to pass the exam.
Conclusion
Remember, trial and error is part of the process. Practice these steps regularly and pay attention to the finer details as you get more comfortable. Implementing these backups in your daily workflows could save you hours of work and provide security in your hybrid cloud environment. Always refer to the official Microsoft documentation to stay up-to-date with the changing landscape of Azure cloud technology.
These commandlets may change and be updated, but understanding their utility and how to use them will better prepare you for navigating Azure’s robust and dynamic CLI utility, PowerShell, for the AZ-600 exam and beyond.
Practice Test
True or False: The Backup module for PowerShell can be used to backup Azure Stack Hub.
- True
- False
Answer: True
Explanation: The Backup module for PowerShell includes cmdlets to control and manage backup of Azure Stack Hub.
What is the cmdlet in PowerShell to initiate a backup of Azure Stack Hub?
- a. Start-AzsBackup
- b. Create-AzBackup
- c. Invoke-AzBackup
- d. Begin-AzBackup
Answer: a. Start-AzsBackup
Explanation: The command ‘Start-AzsBackup’ initiates a backup of Azure Stack Hub in PowerShell.
The Azure Stack Hub backup is stored in the system automatically without specifying the “BackupSharePath” parameter. True or False?
- True
- False
Answer: False
Explanation: During running Start-AzsBackup command, we need to specify -BackupSharePath parameter where the backup files will be stored.
The Azure Stack Hub internal backup process automatically retains sufficient backup files for the past 7 days. True/False?
- True
- False
Answer: False
Explanation: The internal backup process in Azure Stack Hub doesn’t have retention capability. It’s the service administrator’s responsibility to delete old backups.
What is the cmdlet in the Backup module for PowerShell used for deleting the specific backup of Azure Stack Hub?
- a. Stop-AzBackup
- b. Remove-AzsBackup
- c. Delete-AzsBackup
- d. Clear-AzsBackup
Answer: b. Remove-AzsBackup
Explanation: The command ‘Remove-AzsBackup’ is used to delete the specific backup of Azure Stack Hub.
The Start-AzsBackup cmdlet in PowerShell does not accept the encryption cert parameter. True/False?
- True
- False
Answer: False
Explanation: The Start-AzsBackup cmdlet accepts the -EncryptionCertPath parameter where an encryption certificate is specified.
It is not possible to validate Azure Stack Hub backup using PowerShell. True or False?
- True
- False
Answer: False
Explanation: Use the Test-AzsBackupShare cmdlet in PowerShell to validate Azure Stack Hub backup.
The BackupShareCredential credential for the Start-AzsBackup cmdlet must include the username and password placed under which property?
- a. ‘Credential’
- b. ‘Property’
- c. ‘Domain’
- d. ‘Account’
Answer: a. ‘Credential’
Explanation: The BackupShareCredential object for the Start-AzsBackup cmdlet must include the username and password placed under the ‘Credential’ property.
You can initiate backup operations for an Azure Stack Hub operator by using PowerShell scripting. True/False?
- True
- False
Answer: True
Explanation: The Azure Stack Hub operator can initiate backup operations by executing the Start-AzsBackup cmdlet with the necessary parameters.
The Test-AzsBackupShare PowerShell cmdlet is for deploying a backup in Azure Stack Hub. True/False?
- True
- False
Answer: False
Explanation: The Test-AzsBackupShare cmdlet is used to validate the backup share for Azure Stack Hub not to deploy a backup.
You will receive an editable script that you can modify to suit your environment after running the ‘New-AzPolicyAssignment’ cmdlet in PowerShell. True or False?
- True
- False
Answer: False
Explanation: The ‘New-AzPolicyAssignment’ cmdlet is used to create a policy assignment in Azure and not for receiving editable scripts.
The Azure Stack Hub backup duration can be controlled using the PowerShell cmdlet. True/False?
- True
- False
Answer: False
Explanation: The Azure Stack Hub backup duration cannot be managed or controlled using the PowerShell cmdlet.
The ‘Remove-AzsBackup’ PowerShell cmdlet is used to stop an ongoing backup process. True/False?
- True
- False
Answer: False
Explanation: ‘Remove-AzsBackup’ is used to delete specific backups, not to stop an ongoing backup process.
If you want to use a self-signed certificate to encrypt backup data, you can use the ‘SelfSigned’ flag in the ‘New-SelfSignedCertificate’ cmdlet in PowerShell. True/False?
- True
- False
Answer: True
Explanation: The ‘New-SelfSignedCertificate’ cmdlet creates a new self-signed certificate and the ‘SelfSigned’ flag can be used to create a self-signed certificate for encrypting backup data.
The PowerShell cmdlet ‘Get-AzsBackup’ can be used to retrieve details about all backups in Azure Stack Hub. True/False?
- True
- False
Answer: True
Explanation: The ‘Get-AzsBackup’ cmdlet can be used to get information about all Azure Stack Hub backups depending on the parameters you provide.
Interview Questions
How can we initiate the backup process of Azure Stack Hub using PowerShell?
To initiate the backup, first, we need to import the required modules using the command “Import-module Azs.Backup.Admin”. Then we can proceed to initiate the backup using the command “Start-AzsBackup -Name ‘Backup1′”.
What is the use of “Get-AzsBackup” PowerShell command in Azure Stack Hub?
The “Get-AzsBackup” command is used to display the details of the current running backup in Azure Stack Hub or the details of a specific backup.
What steps can you follow to retrieve a specific backup using PowerShell in Azure Stack Hub?
To retrieve a specific backup, use the Get-AzsBackup command along with the BackupID parameter “Get-AzsBackup -BackupId ‘BackupID’”.
What functionality does the PowerShell command “Set-AzsBackupConfiguration” provide in Azure Stack Hub?
The “Set-AzsBackupConfiguration” command is used to update the backup configuration settings in Azure Stack Hub.
How do you enable automatic backups in Azure Stack Hub using PowerShell?
You can enable automatic backups using the Set-AzsBackupConfiguration command, and specify the time and intervals using the -BackupFrequencyInHours and -BackupSchedule parameters.
Is it possible to suspend an ongoing Backup operation in Azure Stack Hub using PowerShell, and if yes, how?
Yes, the “Stop-AzsBackup” command can be used to abort an ongoing backup process in Azure Stack Hub.
How do I view the backup configuration settings of my Azure Stack Hub using PowerShell?
By running the “Get-AzsBackupConfiguration” command, you can view the current backup configuration settings in PowerShell.
How can you restore a backup using PowerShell in Azure Stack Hub?
You can restore a backup using the “Start-AzsBackupRestore” command and then specify the backup destination and other parameters as required.
How do you set a backup share path in Azure Stack Hub using PowerShell?
You can set a backup share path using the “Set-AzsBackupShare” command and specifying the path value.
What PowerShell command is used to delete a backup in Azure Stack Hub?
The “Remove-AzsBackup” command is used to delete a specific backup in Azure Stack Hub.
How can you change the encryption settings for backups in Azure Stack Hub using PowerShell?
The “Set-AzsBackupEncryptionKey” command can be used to change the encryption key used for backups.
Can you verify the health of the backup controller in Azure Stack Hub using PowerShell?
Yes, by running the command “Get-AzsBackupLocationHealth”, you can verify the state and health of the backup controller.
How do you set the maximum number of backups to retain in Azure Stack Hub using PowerShell?
You set the maximum number of backups to retain using the “Set-AzsBackupConfiguration” command and specifying the “-BackupRetentionPeriodInDays” parameter.
How do you pause automatic backup in Azure Stack Hub using PowerShell?
You can pause automatic backup by running the “Suspend-AzsBackupSchedule” command.
If you want to validate a backup in Azure Stack Hub using PowerShell, what would be the suitable command?
To validate a backup, you would use the “Test-AzsBackup” command.
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