Azure Classroom Series – 31/Aug/2020

Managed Disk vs un managed Disk

  • Un managed disks have account limits in terms of TB (500 TB in as storage account)
  • In Managed disks upgrading from Standard to Premium is seamless. (For unmanaged disks => Create a new storage account in premium tier, copy the VHDS to the new storage account and link it back to vm)
  • A Managed disk will have a predictable performance. In the case of unmanaged disks only premium storage gives you predictable performance. There are IOPS limits of 20000 IOPS for the storage account.
  • Managed disks have better availability SLA’s

Creating a Storage Account

  1. Powershell:
    • Ensure you are connected to Azure if not use the following cmdlet Connect-AzAccount
    • To Create a storage account we need to know Azure Storage account cmd lets
      1. Refer Here for the whole commands of storage
      2. Use Powershell help
      Get-Command '*-AzStorageAccount*'
      Get-Help -Online New-AzStorageAccount 
    • Creating a Storage account
    $rgName = "LearningStorage"
    $accountName = "qtstoragefromps"
    $rg = New-AzResourceGroup -Name $rgName -Location 'centralus'
    $storageAccount = New-AzStorageAccount -ResourceGroupName $rg.ResourceGroupName -Location $rg.Location -Name $accountName -SkuName Premium_LRS -Kind StorageV2 -AccessTier Hot
    • Removing the Storage created
     Remove-AzResourceGroup -Name LearningStorage
  2. CLI
    • Ensure you are logged in the cli to azure if not
    az login
    • Finding the right command Refer Here
    • Creating a resource group
    az group create --location 'centralus' --name 'qtstoragefromcli'
    • Creating a storage account
    az storage account create --name 'qtstoragecli' --resource-group 'qtstoragefromcli' --access-tier Hot --kind StorageV2 --sku Premium_LRS
    • Viewing storage accounts
    az storage account list
    az storage account show --name qtstoragecli
    • Delete the resource group
    az group delete --name qtstoragefromcli

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