xtrabackup 备份mysql数据库二 ：innobackupex 命令

[mysql@promote 2014-06-12_11-28-29]$ innobackupex --help

Options:

    --apply-log

        Prepare a backup in BACKUP-DIR by applying the transaction log file

        named "xtrabackup_logfile" located in the same directory. Also,

        create new transaction logs. The InnoDB configuration is read from

        the file "backup-my.cnf".

    --compact

        Create a compact backup with all secondary index pages omitted. This

        option is passed directly to xtrabackup. See xtrabackup

        documentation for details.

    --compress

        This option instructs xtrabackup to compress backup copies of InnoDB

        data files. It is passed directly to the xtrabackup child process.

        Try 'xtrabackup --help' for more details.

    --compress-threads

        This option specifies the number of worker threads that will be used

        for parallel compression. It is passed directly to the xtrabackup

        child process. Try 'xtrabackup --help' for more details.

    --compress-chunk-size

        This option specifies the size of the internal working buffer for

        each compression thread, measured in bytes. It is passed directly to

        the xtrabackup child process. Try 'xtrabackup --help' for more

        details.

    --copy-back

        Copy all the files in a previously made backup from the backup

        directory to their original locations.

    --databases=LIST

        This option specifies the list of databases that innobackupex should

        back up. The option accepts a string argument or path to file that

        contains the list of databases to back up. The list is of the form

        "databasename1[.table_name1] databasename2[.table_name2] . . .". If

        this option is not specified, all databases containing MyISAM and

        InnoDB tables will be backed up. Please make sure that --databases

        contains all of the InnoDB databases and tables, so that all of the

        innodb.frm files are also backed up. In case the list is very long,

        this can be specified in a file, and the full path of the file can

        be specified instead of the list. (See option --tables-file.)

    --decompress

        Decompresses all files with the .qp extension in a backup previously

        made with the --compress option.

    --decrypt=ENCRYPTION-ALGORITHM

        Decrypts all files with the .xbcrypt extension in a backup

        previously made with --encrypt option.

    --debug-sleep-before-unlock=SECONDS

        This is a debug-only option used by the XtraBackup test suite.

    --defaults-file=[MY.CNF]

        This option specifies what file to read the default MySQL options

        from. The option accepts a string argument. It is also passed

        directly to xtrabackup's --defaults-file option. See the xtrabackup

        documentation for details.

    --defaults-group=GROUP-NAME

        This option specifies the group name in my.cnf which should be used.

        This is needed for mysqld_multi deployments.

    --defaults-extra-file=[MY.CNF]

        This option specifies what extra file to read the default MySQL

        options from before the standard defaults-file. The option accepts a

        string argument. It is also passed directly to xtrabackup's

        --defaults-extra-file option. See the xtrabackup documentation for

        details.

    --encrypt=ENCRYPTION-ALGORITHM

        This option instructs xtrabackup to encrypt backup copies of InnoDB

        data files using the algorithm specified in the

        ENCRYPTION-ALGORITHM. It is passed directly to the xtrabackup child

        process. Try 'xtrabackup --help' for more details.

    --encrypt-key=ENCRYPTION-KEY

        This option instructs xtrabackup to use the given ENCRYPTION-KEY

        when using the --encrypt or --decrypt options. During backup it is

        passed directly to the xtrabackup child process. Try 'xtrabackup

        --help' for more details.

    --encrypt-key-file=ENCRYPTION-KEY-FILE

        This option instructs xtrabackup to use the encryption key stored in

        the given ENCRYPTION-KEY-FILE when using the --encrypt or --decrypt

        options.

        Try 'xtrabackup --help' for more details.

    --encrypt-threads

        This option specifies the number of worker threads that will be used

        for parallel encryption. It is passed directly to the xtrabackup

        child process. Try 'xtrabackup --help' for more details.

    --encrypt-chunk-size

        This option specifies the size of the internal working buffer for

        each encryption thread, measured in bytes. It is passed directly to

        the xtrabackup child process. Try 'xtrabackup --help' for more

        details.

    --export

        This option is passed directly to xtrabackup's --export option. It

        enables exporting individual tables for import into another server.

        See the xtrabackup documentation for details.

    --extra-lsndir=DIRECTORY

        This option specifies the directory in which to save an extra copy

        of the "xtrabackup_checkpoints" file. The option accepts a string

        argument. It is passed directly to xtrabackup's --extra-lsndir

        option. See the xtrabackup documentation for details.

    --force-non-empty-directories

        This option, when specified, makes --copy-back or --move-back

        transfer files to non-empty directories. Note that no existing files

        will be overwritten. If --copy-back or --nove-back has to copy a

        file from the backup directory which already exists in the

        destination directory, it will still fail with an error.

    --galera-info

        This options creates the xtrabackup_galera_info file which contains

        the local node state at the time of the backup. Option should be

        used when performing the backup of Percona-XtraDB-Cluster.

    --help

        This option displays a help screen and exits.

    --host=HOST

        This option specifies the host to use when connecting to the

        database server with TCP/IP. The option accepts a string argument.

        It is passed to the mysql child process without alteration. See

        mysql --help for details.

    --ibbackup=IBBACKUP-BINARY

        This option specifies which xtrabackup binary should be used. The

        option accepts a string argument. IBBACKUP-BINARY should be the

        command used to run XtraBackup. The option can be useful if the

        xtrabackup binary is not in your search path or working directory.

        If this option is not specified, innobackupex attempts to determine

        the binary to use automatically. By default, "xtrabackup" is the

        command used. However, when option --copy-back is specified,

        "xtrabackup_51" is the command used. And when option --apply-log is

        specified, the binary is used whose name is in the file

        "xtrabackup_binary" in the backup directory, if that file exists.

    --include=REGEXP

        This option is a regular expression to be matched against table

        names in databasename.tablename format. It is passed directly to

        xtrabackup's --tables option. See the xtrabackup documentation for

        details.

    --incremental

        This option tells xtrabackup to create an incremental backup, rather

        than a full one. It is passed to the xtrabackup child process. When

        this option is specified, either --incremental-lsn or

        --incremental-basedir can also be given. If neither option is given,

        option --incremental-basedir is passed to xtrabackup by default, set

        to the first timestamped backup directory in the backup base

        directory.

    --incremental-basedir=DIRECTORY

        This option specifies the directory containing the full backup that

        is the base dataset for the incremental backup. The option accepts a

        string argument. It is used with the --incremental option.

    --incremental-dir=DIRECTORY

        This option specifies the directory where the incremental backup

        will be combined with the full backup to make a new full backup. The

        option accepts a string argument. It is used with the --incremental

        option.

    --incremental-force-scan

        This options tells xtrabackup to perform full scan of data files for

        taking an incremental backup even if full changed page bitmap data

        is available to enable the backup without the full scan.

    --log-copy-interval

        This option specifies time interval between checks done by log

        copying thread in milliseconds.

    --incremental-lsn

        This option specifies the log sequence number (LSN) to use for the

        incremental backup. The option accepts a string argument. It is used

        with the --incremental option. It is used instead of specifying

        --incremental-basedir. For databases created by MySQL and Percona

        Server 5.0-series versions, specify the LSN as two 32-bit integers

        in high:low format. For databases created in 5.1 and later, specify

        the LSN as a single 64-bit integer.

    --kill-long-queries-timeout=SECONDS

        This option specifies the number of seconds innobackupex waits

        between starting FLUSH TABLES WITH READ LOCK and killing those

        queries that block it. Default is 0 seconds, which means

        innobackupex will not attempt to kill any queries.

    --kill-long-query-type=all|update

        This option specifies which types of queries should be killed to

        unblock the global lock. Default is "all".

    --lock-wait-timeout=SECONDS

        This option specifies time in seconds that innobackupex should wait

        for queries that would block FTWRL before running it. If there are

        still such queries when the timeout expires, innobackupex terminates

        with an error. Default is 0, in which case innobackupex does not

        wait for queries to complete and starts FTWRL immediately.

    --lock-wait-threshold=SECONDS

        This option specifies the query run time threshold which is used by

        innobackupex to detect long-running queries with a non-zero value of

        --lock-wait-timeout. FTWRL is not started until such long-running

        queries exist. This option has no effect if --lock-wait-timeout is

        0. Default value is 60 seconds.

    --lock-wait-query-type=all|update

        This option specifies which types of queries are allowed to complete

        before innobackupex will issue the global lock. Default is all.

    --move-back

        Move all the files in a previously made backup from the backup

        directory to the actual datadir location. Use with caution, as it

        removes backup files.

    --no-lock

        Use this option to disable table lock with "FLUSH TABLES WITH READ

        LOCK". Use it only if ALL your tables are InnoDB and you DO NOT CARE

        about the binary log position of the backup. This option shouldn't

        be used if there are any DDL statements being executed or if any

        updates are happening on non-InnoDB tables (this includes the system

        MyISAM tables in the mysql database), otherwise it could lead to an

        inconsistent backup. If you are considering to use --no-lock because

        your backups are failing to acquire the lock, this could be because

        of incoming replication events preventing the lock from succeeding.

        Please try using --safe-slave-backup to momentarily stop the

        replication slave thread, this may help the backup to succeed and

        you then don't need to resort to using this option.

    --no-timestamp

        This option prevents creation of a time-stamped subdirectory of the

        BACKUP-ROOT-DIR given on the command line. When it is specified, the

        backup is done in BACKUP-ROOT-DIR instead.

    --no-version-check

        This option disables the version check which is enabled by the

        --version-check option.

    --parallel=NUMBER-OF-THREADS

        On backup, this option specifies the number of threads the

        xtrabackup child process should use to back up files concurrently.

        The option accepts an integer argument. It is passed directly to

        xtrabackup's --parallel option. See the xtrabackup documentation for

        details.

        On --decrypt or --decompress it specifies the number of parallel

        forks that should be used to process the backup files.

    --password=WORD

        This option specifies the password to use when connecting to the

        database. It accepts a string argument. It is passed to the mysql

        child process without alteration. See mysql --help for details.

    --port=PORT

        This option specifies the port to use when connecting to the

        database server with TCP/IP. The option accepts a string argument.

        It is passed to the mysql child process. It is passed to the mysql

        child process without alteration. See mysql --help for details.

    --rebuild-indexes

        This option only has effect when used together with the --apply-log

        option and is passed directly to xtrabackup. When used, makes

        xtrabackup rebuild all secondary indexes after applying the log.

        This option is normally used to prepare compact backups. See the

        XtraBackup manual for more information.

    --rebuild-threads

        This option only has effect when used together with the --apply-log

        and --rebuild-indexes option and is passed directly to xtrabackup.

        When used, xtrabackup processes tablespaces in parallel with the

        specified number of threads when rebuilding indexes. See the

        XtraBackup manual for more information.

    --redo-only

        This option should be used when preparing the base full backup and

        when merging all incrementals except the last one. This option is

        passed directly to xtrabackup's --apply-log-only option. This forces

        xtrabackup to skip the "rollback" phase and do a "redo" only. This

        is necessary if the backup will have incremental changes applied to

        it later. See the xtrabackup documentation for details.

    --rsync

        Uses the rsync utility to optimize local file transfers. When this

        option is specified, innobackupex uses rsync to copy all non-InnoDB

        files instead of spawning a separate cp for each file, which can be

        much faster for servers with a large number of databases or tables.

        This option cannot be used together with --stream.

    --safe-slave-backup

        Stop slave SQL thread and wait to start backup until

        Slave_open_temp_tables in "SHOW STATUS" is zero. If there are no

        open temporary tables, the backup will take place, otherwise the SQL

        thread will be started and stopped until there are no open temporary

        tables. The backup will fail if Slave_open_temp_tables does not

        become zero after --safe-slave-backup-timeout seconds. The slave SQL

        thread will be restarted when the backup finishes.

    --safe-slave-backup-timeout

        How many seconds --safe-slave-backup should wait for

        Slave_open_temp_tables to become zero. (default 300)

    --slave-info

        This option is useful when backing up a replication slave server. It

        prints the binary log position and name of the master server. It

        also writes this information to the "xtrabackup_slave_info" file as

        a "CHANGE MASTER" command. A new slave for this master can be set up

        by starting a slave server on this backup and issuing a "CHANGE

        MASTER" command with the binary log position saved in the

        "xtrabackup_slave_info" file.

    --socket=SOCKET

        This option specifies the socket to use when connecting to the local

        database server with a UNIX domain socket. The option accepts a

        string argument. It is passed to the mysql child process without

        alteration. See mysql --help for details.

    --stream=STREAMNAME

        This option specifies the format in which to do the streamed backup.

        The option accepts a string argument. The backup will be done to

        STDOUT in the specified format. Currently, the only supported

        formats are tar and xbstream. This option is passed directly to

        xtrabackup's --stream option.

    --tables-file=FILE

        This option specifies the file in which there are a list of names of

        the form database. The option accepts a string argument.table, one

        per line. The option is passed directly to xtrabackup's

        --tables-file option.

    --throttle=IOS

        This option specifies a number of I/O operations (pairs of

        read+write) per second. It accepts an integer argument. It is passed

        directly to xtrabackup's --throttle option.

    --tmpdir=DIRECTORY

        This option specifies the location where a temporary file will be

        stored. The option accepts a string argument. It should be used when

        --stream is specified. For these options, the transaction log will

        first be stored to a temporary file, before streaming. This option

        specifies the location where that temporary file will be stored. If

        the option is not specified, the default is to use the value of

        tmpdir read from the server configuration.

    --use-memory=B

        This option accepts a string argument that specifies the amount of

        memory in bytes for xtrabackup to use for crash recovery while

        preparing a backup. Multiples are supported providing the unit (e.g.

        1MB, 1GB). It is used only with the option --apply-log. It is passed

        directly to xtrabackup's --use-memory option. See the xtrabackup

        documentation for details.

    --user=NAME

        This option specifies the MySQL username used when connecting to the

        server, if that's not the current user. The option accepts a string

        argument. It is passed to the mysql child process without

        alteration. See mysql --help for details.

    --version

        This option displays the xtrabackup version and copyright notice and

        then exits.

    --version-check

        This option controls if the version check should be executed by

        innobackupex after connecting to the server on the backup stage.

        This option is enabled by default, disable with --no-version-check.