Question 281485 in Azure Question posted in
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incremental backup on azure

At 08:00 AM we take a disk snapshot with this azure cli command:

az snapshot create -g RG1 -n snapshot_0800 –source DISK1

Can you help me to understand how I can create a snapshot at 09:00 AM to provide an incremental snapshot named snapshot_0900 of disk DISK1 ?

At the moment looks like the sanpshot taken at 9 is a full backup

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2

Answers


  1. 0

    I have created snapshot with the sample name of snapshot_1600 like below:

    enter image description here

    Can you help me to understand how I can create a snapshot at 09:00 AM to provide an incremental snapshot named snapshot_0900 of disk DISK1 ?

    Yes, you can create an incremental snapshot named snapshot_0900 of disk DISK1. Up to seven incremental snapshots per disk can be created every five minutes. Total of 500 incremental snapshots can be created for a single disk.

    To create an incremental disk, make use of --incremental parameter with the az snapshot create command like below:

    # Declare variables
diskName="yourDiskNameHere"
resourceGroupName="yourResourceGroupNameHere"
snapshotName="desiredSnapshotNameHere"

# Get the disk you need to backup
yourDiskID=$(az disk show -n $diskName -g $resourceGroupName --query "id" --output tsv)

# Create the snapshot
az snapshot create -g $resourceGroupName -n $snapshotName --source $yourDiskID --incremental true

    Output:

    enter image description here

    {
  "completionPercent": null,
  "copyCompletionError": null,
  "creationData": {
    "createOption": "Copy",
    "galleryImageReference": null,
    "imageReference": null,
    "logicalSectorSize": null,
    "securityDataUri": null,
    "sourceResourceId": ,
    "sourceUniqueId": "27f4560f-a",
    "sourceUri": null,
    "storageAccountId": null,
    "uploadSizeBytes": null
  },
  "encryptionSettingsCollection": null,
  "extendedLocation": null,
  "hyperVGeneration": "V1",
  "id": "/subscriptions/b83c1ed5ba-2b83a074c23f/resourceGroups/V-IMRAN-providers/Microsoft.Compute/snapshots/snapshot_1700",
  "incremental": true,
  "location": "eastus",
  "managedBy": null,
  "name": "snapshot_1700",
  "networkAccessPolicy": "AllowAll",
  "osType": "Windows",
  "provisioningState": "Succeeded",
  "publicNetworkAccess": "Enabled",
  "purchasePlan": null,
  "resourceGroup": "V-IMRAN"
  "securityProfile": null,
  "sku": {
    "name": "Standard_LRS",
    "tier": "Standard"
  },
  "supportedCapabilities": {
    "acceleratedNetwork": true,
    "architecture": "x64",
    "diskControllerTypes": "SCSI, NVMe"
  },
  "supportsHibernation": true,
  "tags": {},
  "timeCreated": "2023-11-08T11:49:29.144327+00:00",
  "type": "Microsoft.Compute/snapshots",
  "uniqueId": "954bf165-c4c700fec01"
}

    To know more in detail, check the below:

    Create an incremental snapshot – Azure Virtual Machines | Microsoft Learn

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  2. 0

    Snapshot to create at 08:00 AM:

    az snapshot create -g RG1 -n snapshot_0800 –source DISK1 –incremental true

    Snapshot to create at 09:00 AM:

    az snapshot create -g RG1 -n snapshot_0900 –source snapshot_0800 –incremental true –copy-start true

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