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Use logs to troubleshoot upload issues in Azure Data Box Disk

This article describes the issues you see when you upload data in the Azure datacenter using Azure Data Box Disk.

About upload logs

When the data from a Data Box Disk is uploaded in the Azure datacenter, a copy/error log and a verbose log are generated for each storage account. These logs are uploaded to the same storage account that was used to upload data.

  • The copy log reports events for all failed copy operations between the disk and the Azure Storage account. The copy log ends with a summary of errors by error category.

  • The verbose log has a listing of all copy operations that succeeded on every blob and file.

Locate the logs

To find the logs from a data upload, do the following steps.

  1. Open your order in the Azure portal.

  2. As the data upload completes for each disk, the Overview pane displays the disk status and the paths to diagnostics logs for the disk.

    • For new orders, the disk details look like those in the following screen. A copy log is saved automatically. If you chose to save verbose logs when you placed your order, you'll also see the path to the verbose log.

      Screenshot of the Overview pane for a Data Box Disk order with Copy Completed With Warnings status. A Copy Log Path and Verbose Log Path are highlighted.

      The logs are uploaded to a container (for blob imports) or share (for imports to Azure Files) in the storage account. The container is named databoxcopylog. The URLs have these formats:

      Log type URL format
      copy log <storage-account-name>/databoxcopylog/<order-name>_<device-serial-number>_CopyLog_<job-ID>.xml
      verbose log <storage-account-name>/databoxcopylog/<order-name>_<device-serial-number>_VerboseLog_<job-ID>.xml
    • For your earlier orders, the display might look like the following screen.

      If there are any errors when uploading the data to Azure, Copy logs displays a path to the folder where the diagnostics logs are located.

      Screenshot of the Overview pane for an earlier Data Box Disk order with completed copies. The Copy Log Paths are highlighted.

      The logs are uploaded to a waies container in the storage account. The URLs have these formats:

      Log type URL format
      error log <storage-account-name>/databoxlogs-<order-name>/waies/ri-<order-name>-guid_<drive-ID>_<timestamp>_error.xml
      verbose log <storage-account-name>/databoxlogs-<order-name>/waies/ri-<order-name>-guid_<drive-ID>_<timestamp>_verbose.xml

    Note

    Logs in the databoxcopylog container have a different format than logs in the waies container. For help interpreting the logs, use the instructions for the associated drive log version. See Identify log version for more information.

  3. To view the logs, open the container that stores the logs in your storage account. The following illustration shows the logs in a waies container.

    Screenshot of error logs and verbose logs in a storage account for an Azure Data Box Disk order. The logs in the W-A-I-E-S containers are highlighted.

  4. Select each log and download a local copy.

Identify log version

There are two versions of the copy/error log and verbose log, with different formats. The log versions are discussed separately in the sections that follow.

Along with the verbose log, you'll see either a copy log (_copy.xml) or an error log (_error.xml), depending on the drive release.

To find out the log release for both the copy/error log and the accompanying verbose log, check the drive log version in the copy/error log.

Log file name Field Drive log version
_copy.xml DriveLogVersion 2021-08-01
_error.xml DriveLog Version 2018-10-01

The following illustration shows the DriveLogVersion in the summary section of a copy log.

Illustration of the Summary section of a copy log for a Data Box Disk order. The Drive Log Version is highlighted.

Sample upload logs

The log formats of copy/error log and verbose log differ for the two log versions. If you aren't sure which version of the logs you have, see Identify log version.

Each data transfer for a disk generates a copy log. If you chose to save a verbose log when you placed your order, there’s also a verbose log in the same folder.

Verbose log

The verbose log is an optional file that you can enable during ordering. It's a simple listing of all files that were successfully imported from the drive, with the following information for each file. The verbose log doesn’t provide summary information.

Field Description
CloudFormat BlockBlob, PageBlob, or AzureFile.
Path Path to the file within the storage account.
Size File or blob size.
crc64 The cyclic redundancy check 64 (CRC64) checksum that was used to verify data integrity during data transfer.

Sample verbose log

The following sample verbose log has sample file entries for block blob, page blob, and Azure File imports.

<File CloudFormat="BlockBlob" Path="$root\file26fd6b4bd-25f7-4019-8d0d-baa7355745df.vhd" Size="1024" crc64="14179624636173788226">
</File><File CloudFormat="BlockBlob" Path="$root\file49d220295-9cfd-469e-b69e-5c7c885133df.vhd" Size="1024" crc64="14179624636173788226">
</File>
----------CUT--------------------
<File CloudFormat="AzureFile" Path="e579954d-1f94-40cf-955f-afd39e9ca217\file1876f73ad-6213-43bc-9467-67fe0c794e99.block" Size="1024" crc64="1410470866535975213">
</File><File CloudFormat="AzureFile" Path="05407abe-81c8-4b44-b846-3a2c8c198316\file28d7868be-e6a7-4441-8d09-2b127f7d049e.vhd" Size="1024" crc64="1410470866535975213">
</File><File CloudFormat="AzureFile" Path="eb7666a7-c026-4375-9c08-3dea37a57713\file4448aeaf5-53dc-4bff-b798-4776e367ab5e.vhd" Size="1024" crc64="1410470866535975213">
</File>
----------CUT--------------------
<File CloudFormat="PageBlob" Path="tesdir8b1d0acd-2d37-46dd-96cf-edeb0f772e6b\file1.txt" Size="83886080" crc64="1680234237456714851">
</File><File CloudFormat="PageBlob" Path="tesdirf631630d-8098-4c84-be7b-40f6bbdb73fb\file_size0.txt" Size="0" crc64="0">
</File><File CloudFormat="PageBlob" Path="tesdirf631630d-8098-4c84-be7b-40f6bbdb73fb\Dir1/file_size0.txt" Size="0" crc64="0">
</File>

Copy log

The copy log contains an error entry for each file that failed to import, with error detail. The copy log ends with a summary of validation and copy errors that occurred during the import.

Each error entry contains the following information.

Field Description
Path The destination share within the container or file share.
Category One of 15 error categories. For more information, see Data upload errors for Log version 2021-08-01.
ErrorCode The numeric code for the error.
ErrorMessage Describes the error.

The summary at the end of the log (look for CopyLog Summary) gives the following information:

  • Drive log version (in this case, 2021-08-01)
  • Drive ID
  • Data copy status
  • Summary of validation errors by error category
  • Summary of copy errors by error category

Sample copy log

The following sample is a copy log for an import to both Azure Files and Azure Blob storage.

This copy failed, with no validation errors but with three copy errors. One file share was renamed (ShareRenamed error), and two containers were renamed (ContainerRenamed error). The error entry gives the original and new file names.

<ErroredEntity Path="New Folder">
  <Category>ShareRenamed</Category>
  <ErrorCode>1</ErrorCode>
  <ErrorMessage>The original container/share/Blob has been renamed to: DataBox-f55763d4-8ef7-458f-b029-f36b51ada34f :from: New Folder :because either name has invalid character(s) or length is not supported</ErrorMessage>
  <Type>Container</Type>
</ErroredEntity>
<ErroredEntity Path="CV">
  <Category>ContainerRenamed</Category>
  <ErrorCode>1</ErrorCode>
  <ErrorMessage>The original container/share/Blob has been renamed to: DataBox-6bcae46f-04c8-4385-8442-3a28b962c930 :from: CV :because either name has invalid character(s) or length is not supported</ErrorMessage>
  <Type>Container</Type>
</ErroredEntity><ErroredEntity Path="New_ShareFolder">
  <Category>ContainerRenamed</Category>
  <ErrorCode>1</ErrorCode>
  <ErrorMessage>The original container/share/Blob has been renamed to: DataBox-96d8e2ee-ffd4-4529-9ec0-f666674b70d9 :from: New_ShareFolder :because either name has invalid character(s) or length is not supported</ErrorMessage>
  <Type>Container</Type>
</ErroredEntity>
<CopyLog Summary="Summary">
  <DriveLogVersion>2021-08-01</DriveLogVersion>
  <DriveId>72a1914a-7fb2-4e34-a135-5c7176c3ee41</DriveId>
  <Status>Failed</Status>
  <TotalFiles_Blobs>60</TotalFiles_Blobs>
  <FilesErrored>0</FilesErrored>
  <Summary>
    <ValidationErrors>
      <None Count="3" />
    </ValidationErrors>
    <CopyErrors>
      <ShareRenamed Count="1" Description="Renamed the share as the original share name does not follow Azure conventions." />
      <ContainerRenamed Count="2" Description="Renamed the container as the original container name does not follow Azure conventions." />
    </CopyErrors>
  </Summary>
</CopyLog>

Data upload errors

The errors reported in the logs vary slightly in the two log versions. If you aren't sure which version of the logs you have, see Identify log version.

The errors found in the 2018-10-01 copy log are described below.

Error category Description
UploadErrorWin32 File system error.
UploadErrorCloudHttp Unsupported blob type. For more information about errors in this category, see Summary of upload errors.
UploadErrorDataValidationError CRC computed during data ingestion doesn’t match the CRC computed during upload.
UploadErrorManagedConversionError The size of the blob being imported is invalid. The blob size is <blob-size> bytes. Supported sizes are between 20971520 Bytes and 8192 GiB. For more information, see Summary of upload errors.
UploadErrorUnknownType Unknown error.
ContainerRenamed Renamed the container because the original container name doesn't follow Azure naming conventions. The original container has been renamed to DataBox-<GUID> from <original container name>.
ShareRenamed Renamed the share because the original share name doesn't follow Azure naming conventions. The original share has been renamed to DataBox-<GUID> from <original folder name>.
BlobRenamed Renamed the blob because the original blob name doesn't follow Azure naming conventions. The original blob has been renamed to BlockBlob/DataBox-<GUID> from <original name>.
FileRenamed Renamed the file because the original file name doesn't follow Azure naming conventions. The original blob has been renamed to AzureFile/DataBox-<GUID> from <original name>.
DiskRenamed Renamed the managed disk file because the original file name doesn't follow Azure naming conventions. The original managed disk file was renamed to ManagedDisk/DataBox-<GUID> from <original name>.
ExportCloudHttp Unsupported blob type.

Next steps

Contact Microsoft Support.