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MySQL Enterprise Backup 4.0 User's Guide  /  ...  /  Other Single-File Backup Operations

14.5 Other Single-File Backup Operations

Besides the commands for creating and restoring single-file backups (namely, backup-to-image and copy-back-and-apply-log), mysqlbackup provides a number of other commands for you to work with single-file backups. They are explained below.

mysqlbackup [STD-OPTIONS]
            [--backup-image=IMAGE] [--backup-dir=PATH]
            [MESSAGE-LOGGING-OPTIONS]    
            [PROGRESS-REPORT-OPTIONS]
            [ENCRYPTION-OPTIONS]
            [CLOUD-STORAGE-OPTIONS]
            image-to-backup-dir

mysqlbackup [STD-OPTIONS]
            [--backup-dir=PATH] [--backup-image=IMAGE]
            [MESSAGE-LOGGING-OPTIONS]
            [PROGRESS-REPORT-OPTIONS]
            [ENCRYPTION-OPTIONS]
            [CLOUD-STORAGE-OPTIONS]
            backup-dir-to-image

mysqlbackup [STD-OPTIONS]
            [--backup-image=IMAGE] [--src-entry=PATH]
            [MESSAGE-LOGGING-OPTIONS]
            [ENCRYPTION-OPTIONS]
            [CLOUD-STORAGE-OPTIONS]
            list-image

mysqlbackup [STD-OPTIONS]
            [--backup-image=IMAGE]
            [--backup-dir=PATH]
            [--src-entry=PATH] [--dst-entry=PATH]
            [MESSAGE-LOGGING-OPTIONS]
            [PROGRESS-REPORT-OPTIONS]
            [ENCRYPTION-OPTIONS]
            [CLOUD-STORAGE-OPTIONS]
            extract
  • image-to-backup-dir

    Unpacks a single-file backup to a full backup directory structure. You specify the paths to both the image file and the destination directory for the unpacking. For usage examples, see Section 4.3.1, “Making a Single-File Backup”.

  • backup-dir-to-image

    Packs an existing backup directory into a single file. The value for the --backup-image parameter should either be -(stands for standard output) or an absolute path outside of the backup-dir directory. Specify a --backup-image value of - (standard output) to stream an existing backup directory structure to a tape device or a command that transfers the backup to another server. For usage examples, see Section 4.3.1, “Making a Single-File Backup”.

  • list-image

    Display the contents of a single-file backup. Lists all files and directories in the image. The --src-entry=name can be used to list a specific file or directory; if the name is a directory, all its files and subdirectories inside the image are recursively listed. For usage examples, see Section 4.3.1, “Making a Single-File Backup”.

    Note

    The list-image operation can be performed on a cloud backup only if the cloud proxy supports HTTP range headers.

  • extract

    Unpacks an individual file or directory from a single-file backup. It is useful for troubleshooting, or for restorations that do not require the full set of backup data. The resulting file or directory goes into the current directory, or into backup-dir if specified. All files and directory contents in the image with absolute path names are extracted into the same absolute paths on the local system. For usage examples, see Section 4.3.1, “Making a Single-File Backup”.

    The --src-entry=path option can be used for selective extraction of a single file or single directory in image. Specify the path as it appears in the image.

    Note

    The option is currently not supported for the extraction of cloud backups, which can only be extracted in full.

    The --dst-entry=path option, along with --src-entry=path option can be used to extract a single file or single directory into a user-specified file or directory respectively. If the --src-entry option is used, but --dst-entry option is omitted, then the selected file or directory is extracted to the same path in the local file system.

    The default destination for the extract is the current working directory. It can be overridden by the --backup-dir option. All the files with relative pathnames in the image are extracted to pathnames relative to the destination directory.

    If the image contains some entries with absolute pathnames, those entries are extracted to the same absolute pathnames even if --backup-dir option is specified. The --dst-entry option must be used to relocate an absolute pathname.


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