mongodb 备份 指定用户名密码

xiuxuan

　　Failed: error connecting to db server: server returned error on SASL authentication step: Authentication failed.
　　需要添加--authenticationDatabase admin
　　 mongodump --help 所有参数:
Usage: mongodump <options> Export the content of a running server into .bson files. Specify a database with -d and a collection with -c to only dump that database or collection. See http://docs.mongodb.org/manual/reference/program/mongodump/ for more information. general options: --help print usage --version print the tool version and exit verbosity options: -v, --verbose=<level> more detailed log output (include multiple times for more verbosity, e.g. -vvvvv, or specify a numeric value, e.g. --verbose=N) --quiet hide all log output connection options: -h, --host=<hostname> mongodb host to connect to (setname/host1,host2 for replica sets) --port=<port> server port (can also use --host hostname:port) authentication options: -u, --username=<username> username for authentication -p, --password=<password> password for authentication --authenticationDatabase=<database-name> database that holds the user's credentials --authenticationMechanism=<mechanism> authentication mechanism to use namespace options: -d, --db=<database-name> database to use -c, --collection=<collection-name> collection to use query options: -q, --query= query filter, as a JSON string, e.g., '{x:{$gt:1}}' --queryFile= path to a file containing a query filter (JSON) --readPreference=<string>|<json> specify either a preference name or a preference json object --forceTableScan force a table scan output options: -o, --out=<directory-path> output directory, or '-' for stdout (defaults to 'dump') --gzip compress archive our collection output with Gzip --repair try to recover documents from damaged data files (not supported by all storage engines) --oplog use oplog for taking a point-in-time snapshot --archive=<file-path> dump as an archive to the specified path. If flag is specified without a value, archive is written to stdout --dumpDbUsersAndRoles dump user and role definitions for the specified database --excludeCollection=<collection-name> collection to exclude from the dump (may be specified multiple times to exclude additional collections) --excludeCollectionsWithPrefix=<collection-prefix> exclude all collections from the dump that have the given prefix (may be specified multiple times to exclude additional prefixes) -j, --numParallelCollections= number of collections to dump in parallel (4 by default)