Linux系统中怎么备份和恢复MongoDB数据

-v [ --verbose ] be more verbose (include multiple times

for more verbosity e.g. -vvvvv)

--version print the program's version and exit

-h [ --host ] arg mongo host to connect to (

name>/s1,s2 for sets)

--port arg server port. Can also use --host

hostname:port

--ipv6 enable IPv6 support (disabled by

default)

-u [ --username ] arg username

-p [ --password ] arg password

--authenticationDatabase arg user source (defaults to dbname)

--authenticationMechanism arg (=MONGODB-CR)

authentication mechanism

--dbpath arg directly access mongod database files

in the given path, instead of

connecting to a mongod server - needs

to lock the data directory, so cannot

be used if a mongod is currently

accessing the same path

--directoryperdb each db is in a separate directly

(relevant only if dbpath specified)

--journal enable journaling (relevant only if

dbpath specified)

-d [ --db ] arg database to use

-c [ --collection ] arg collection to use (some commands)

--objcheck validate object before inserting

(default)

--noobjcheck don't validate object before inserting

--filter arg filter to apply before inserting

--drop drop each collection before import

--oplogReplay replay oplog for point-in-time restore

--oplogLimit arg include oplog entries before the

provided Timestamp (seconds[:ordinal])

during the oplog replay; the ordinal

value is optional

--keepIndexVersion don't upgrade indexes to newest version

--noOptionsRestore don't restore collection options

--noIndexRestore don't restore indexes

--w arg (=0) minimum number of replicas per write