Back up ECS files

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You can use Cloud Backup to back up files from Elastic Compute Service (ECS) instances and restore them if they are lost or damaged. This topic describes how to back up files from an ECS instance.

Important

This feature has been upgraded to ECS File Backup (New). We recommend that you use the new version of ECS File Backup. For more information, see Comparison between the new and legacy versions of ECS File Backup.

Prerequisites

You have completed the Preparations.

Back up files from a single ECS instance

Follow these steps to back up files from a single ECS instance using Cloud Backup:

  1. Log on to the Cloud Backup console.

  2. In the navigation pane on the left, choose Backup > ECS File Backup.

  3. On the ECS File Backup page, click the ECS Instance List tab.

  4. Find the target ECS instance and click Back Up in the Actions column.

  5. On the Create Backup Plan page, configure the parameters as described in the following table and then click Create.

    Parameter

    Description

    Backup Plan Name

    Enter a name for the backup plan. If you leave this empty, a random name is assigned.

    Backup file path

    The rules for source paths are as follows:

    • If you do not use a wildcard character (*), you can enter up to eight paths.

    • If you use a wildcard character (*), you can enter only one path. Paths such as /*/* are supported.

    • Each line must be an absolute path, such as one starting with /, \\, C:\, or D:\.

    Note
    • You cannot back up multiple root paths at the same time. For example, you cannot back up C:\ and D:\ simultaneously.

    • When you use Volume Shadow Copy Service (VSS), multiple paths, Uniform Naming Convention (UNC) paths, wildcards, and file exclusions are not supported.

    • When you use UNC paths, VSS, wildcards, and file exclusions are not supported. If the backup source contains a UNC path, the Windows Access Control List (ACL) is not backed up.

    Backup Rule

    Select Include All Files or Exclude the following files.

    If you select Exclude the following files, you must enter a list of files.

    Note

    The rules for exclusion paths are as follows:

    • You can enter a maximum of eight paths, including paths that contain wildcard characters (*).

    • If a path does not contain a forward slash (/), a wildcard character (*) matches multiple levels of path names or filenames. For example, *abc* matches /abc/, /d/eabcd/, and /a/abc. *.txt matches all files with the .txt extension.

    • If a path contains a forward slash (/), each wildcard character (*) matches only a single level of a path or a filename. For example, /a/*/*/share matches /a/b/c/share but does not match /a/d/share.

    • If a path ends with a forward slash (/), it indicates a folder match. For example, *tmp/ matches /a/b/aaatmp/ and /tmp/.

    • The path separator is the forward slash (/) for Linux. For Windows, use a backslash (\).

    Start Time

    Select the time to start the backup. The time is accurate to the second.

    Backup Interval

    Select the frequency for incremental backups. The unit can be hours, days, or weeks.

    Note

    The maximum backup interval is 52 weeks (one year).

    Retention Period

    Select how long to keep the backups. The unit can be days, weeks, months, or years.

    Use VSS

    • This feature is supported only for Windows instances.

    • If data in the backup source changes and you need to ensure data consistency between the source and the backup, select Use.

    • If you select to use VSS, you cannot back up multiple file folders at the same time.

    Note

    This feature is not supported if the backup source is on a volume in the exFAT format.

    Use Throttling

    Throttling can help you control the traffic for backing up file folders during peak business hours to avoid affecting normal business.

    If you select Use, specify the Throttling Period and the Maximum Traffic that can be used for backup within that period based on your business needs. Then, click Add.

Batch back up files from multiple ECS instances

You can create multiple backup jobs in a batch to back up files from multiple ECS instances. To do this, follow these steps:

  1. Log on to the Cloud Backup console.

  2. In the navigation pane on the left, choose Backup > ECS File Backup.

  3. In the top navigation bar, select the region where the ECS instances that you want to back up are located.

  4. In the upper-right corner of the page, choose Batch Operations > Create Backup Plans in Batches.

  5. On the Create Backup Plans in Batches page, click Download Template.

  6. Open the downloaded template file, configure the template as described in the following table, and then save the file.

    Note

    If you do not need to back up an instance, delete the row for that instance.

    Parameter

    Description

    Client Id

    Displays the clients that are available for backup. Do not modify this setting.

    Instance Id

    The ID of the ECS instance that corresponds to the client. Do not modify this value.

    Instance Name

    The name of the ECS instance that corresponds to the client. Do not modify this value.

    Source

    Enter the file folder to back up. The path must be an absolute path.

    Plan Name

    Enter a name for the backup plan. If you leave this empty, a random name is assigned.

    Retention (Day)

    • Enter the retention period for the backup. The value must be an integer.

    • The default unit is days.

    • If you leave this empty, backups are retained for 730 days.

    Effective Time

    Enter the start time for the backup. Use the YYYY-MM-DD/HH:MM:SS format. For example, 2018-12-03/12:00:00.

    Backup Interval

    • Enter the interval for incremental backups. The value must be an integer.

    • The default unit is hours.

    • If you leave this empty, the default interval is 24 hours.

    Use VSS for backup

    • This feature is supported only for Windows instances.

    • If data in the backup source changes and you need to ensure data consistency, use this feature.

    • Enter Y to use this feature or N to not use it. If you leave this empty, this feature is not used by default.

    • If you use VSS, you cannot back up multiple file folders at the same time.

    Bandwidth Throttling

    • Controls the traffic used for backing up file folders to avoid affecting normal business.

    • If you use this feature, enter the maximum traffic that can be used for backup throughout the day.

    • The value must be an integer. The default unit is MB.

    • If you leave this empty, traffic is not throttled by default.

  7. Click Upload File to upload the completed template.

  8. Click Create.

Browse backup files online

You can use the online browsing feature of Cloud Backup to browse all files in each backup plan.

  1. On the Backup Plans and Jobs tab, click View in the Actions column for the desired backup job.

  2. Click Browse.

    On the Browse tab, you can view all files in the source folder.

    Important

    This page is for browsing only. To restore ECS files, see Restore ECS files.

Related operations

On the ECS File Backup page, click the Backup Plans and Jobs tab. You can perform the following operations.

Operation

Procedure

View error report

Find the backup job and check the backup progress. If some files fail to be backed up, click View. In the Number of Errors column, click the download icon to download the Error Report.

Start backup

In the Actions column of the backup job, choose More > Execute Immediately.

Cancel a running backup job

In the Actions column of the backup job, choose More > Cancel Execution.

Pause a running backup job

In the Actions column of the backup job, choose More > Pause.

Resume a paused backup job

In the Actions column of the backup job, choose More > Resume.

Modify a backup plan

In the Actions column of the backup job, choose More > Edit.

Delete a backup plan

In the Actions column of the backup job, choose More > Delete. After the backup plan is deleted, it will no longer run, but the backed-up data is retained.

FAQ

If a file backup fails due to factors such as an unstable network, you can configure the following parameters to enable retries.

  1. Log on to the server where the files need to be backed up.

  2. Find and open the installation path of the Cloud Backup client.

  3. In a subdirectory of the client folder, create a file named hbr.config.

    Note

    The hbr.config file must be in the same directory as the hybridebackup and ids executable programs.

  4. Add the following parameters to the hbr.config file.

    Parameter

    Description

    retry_times

    The number of retries for a data backup. Default value: 3.

    retry_interval

    The interval between data backup retries. Default value: 100 ms.

    skip_error_files

    Specifies whether to skip files that fail to be backed up.

    • false (default): Does not skip files that fail to be backed up.

    • true: Skips files that fail to be backed up.

The following code provides an example configuration for the hbr.config file:

retry_times=3
retry_interval=100
skip_error_files=false