从Azure文件复制到BLOB

时间:2018-10-14 22:48:42

标签: azure azure-blob-storage azcopy

Azure是否可以在存储容器之间移动文件而不将其下载回笔记本电脑?我尝试了AzCopy,但似乎正在下载然后重新上传文件。

2 个答案:

答案 0 :(得分:2)

Azcopy确实为server-side copy提供了功能。实际上,这是默认行为。 您可以找到该here的示例: AzCopy /Source:https://myaccount.blob.core.windows.net/mycontainer1 /Dest:https://myaccount.blob.core.windows.net/mycontainer2 /SourceKey:key /DestKey:key /Pattern:abc.txt

但是,请注意:由于您基本上是免费从Azure获得所需的计算作为备用容量,因此您不会获得任何性能SLA。因此,在大多数情况下,这比在同一Azure区域中使用快速VM并使用所谓的同步副本(向下复制并上载到副本,使用azcopy中的/SyncCopy参数)慢得多。

因此:如果您有时间和省钱的方法,请使用服务器端副本。如果您希望快速完成复制,请使用/ SyncCopy

答案 1 :(得分:0)

您可以使用Runbook完成此操作。这是完成此操作的Microsoft网站上的文章的链接;

https://blogs.msdn.microsoft.com/cloud_solution_architect/2016/05/09/azure-storage-account-backup-azure-automation-runbook-azure-functions/

这是相关的代码,略有修改以使ResourceGroup成为变量。

$primary = Get-AutomationVariable -Name 'Log-Storage-Primary'
$secondary = Get-AutomationVariable -Name 'Log-Storage-Secondary'
$ResourceGroupName = Get-AutomatioNVariable -Name 'LogStorageResourceGroup'

$Conn = Get-AutomationConnection -Name AzureRunAsConnection
Add-AzureRMAccount -ServicePrincipal -Tenant $Conn.TenantID -ApplicationId $Conn.ApplicationID -CertificateThumbprint $Conn.CertificateThumbprint

$primarykey = Get-AzureRmStorageAccountKey -ResourceGroupName $ResourceGroupName -Name $primary
$secondarykey = Get-AzureRmStorageAccountKey -ResourceGroupName $ResourceGroupName -Name $secondary

$primaryctx = New-AzureStorageContext -StorageAccountName $primary -StorageAccountKey $primarykey.Key1
$secondaryctx = New-AzureStorageContext -StorageAccountName $secondary -StorageAccountKey $secondarykey.Key1

$primarycontainers = Get-AzureStorageContainer -Context $primaryctx

# Loop through each of the containers
foreach($container in $primarycontainers) {
    # Do a quick check to see if the secondary container exists, if not, create it.
    $secContainer = Get-AzureStorageContainer -Name $container.Name -Context $secondaryctx -ErrorAction SilentlyContinue

    if (!$secContainer) {
        $secContainer = New-AzureStorageContainer -Context $secondaryctx -Name $container.Name
        Write-Host "Successfully created Container" $secContainer.Name "in Account" $secondary
    }

    # Loop through all of the objects within the container and copy them to the same container on the secondary account
    $primaryblobs = Get-AzureStorageBlob -Container $container.Name -Context $primaryctx
    foreach($blob in $primaryblobs) {
        $copyblob = Get-AzureStorageBlob -Context $secondaryctx -Blob $blob.Name -Container $container.Name -ErrorAction SilentlyContinue

        # Check to see if the blob exists in the secondary account or if it has been updated since the last runtime.
        if (!$copyblob -or $blob.LastModified -gt $copyblob.LastModified) {
            $copyblob = Start-AzureStorageBlobCopy -SrcBlob $blob.Name -SrcContainer $container.Name -Context $primaryctx -DestContainer $secContainer.Name -DestContext $secondaryctx -DestBlob $blob.Name
            $status = $copyblob | Get-AzureStorageBlobCopyState

            while ($status.Status -eq "Pending") {
                $status = $copyblob | Get-AzureStorageBlobCopyState
                Start-Sleep 10
            }
            Write-Host "Successfully copied blob" $copyblob.Name "to Account" $secondary "in container" $container.Name
        }
    }
}