【MongoDB之数据备份与恢复】

[root@master ~]# cd /opt/mongodb

[root@master mongodb]# ls

bin data GNU-AGPL-3.0 log README THIRD-PARTY-NOTICES

[root@master mongodb]# cd bin/

[root@master bin]# l

-bash: l: command not found

[root@master bin]# ls

bsondump mongo mongod mongodump mongoexport mongofiles mongoimport mongorestore mongos mongosniff mongostat

[root@master bin]# ./mongod help

Invalid command: help

Allowed options:

General options:

-h [ --help ] show this usage information

--version show version information

-f [ --config ] arg configuration file specifying additional options

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

verbosity e.g. -vvvvv)

--quiet quieter output

--port arg specify port number

--bind_ip arg comma separated list of ip addresses to listen on - all

local ips by default

--logpath arg file to send all output to instead of stdout

--logappend append to logpath instead of over-writing

--pidfilepath arg full path to pidfile (if not set, no pidfile is

created)

--fork fork server process

--dbpath arg directory for datafiles

--directoryperdb each database will be stored in a separate directory

--repairpath arg root directory for repair files - defaults to dbpath

--cpu periodically show cpu and iowait utilization

--noauth run without security

--auth run with security

--objcheck inspect client data for validity on receipt

--quota enable db quota management

--quotaFiles arg number of files allower per db, requires --quota

--appsrvpath arg root directory for the babble app server

--nocursors diagnostic/debugging option

--nohints ignore query hints

--nohttpinterface disable http interface

--rest turn on simple rest api

--noscripting disable scripting engine

--noprealloc disable data file preallocation

--smallfiles use a smaller default file size

--nssize arg (=16) .ns file size (in MB) for new databases

--diaglog arg 0=off 1=W 2=R 3=both 7=W+some reads

--sysinfo print some diagnostic system information

--upgrade upgrade db if needed

--repair run repair on all dbs

--notablescan do not allow table scans

--syncdelay arg (=60) seconds between disk syncs (0=never, but not

recommended)

--profile arg 0=off 1=slow, 2=all

--slowms arg (=100) value of slow for profile and console log

--maxConns arg max number of simultaneous connections

--nounixsocket disable listening on unix sockets

--ipv6 enable IPv6 support (disabled by default)

Replication options:

--master master mode

--slave slave mode

--source arg when slave: specify master as <server:port>

--only arg when slave: specify a single database to replicate

--pairwith arg address of server to pair with

--arbiter arg address of arbiter server

--slavedelay arg specify delay (in seconds) to be used when applying

master ops to slave

--fastsync indicate that this instance is starting from a dbpath

snapshot of the repl peer

--autoresync automatically resync if slave data is stale

--oplogSize arg size limit (in MB) for op log

--opIdMem arg size limit (in bytes) for in memory storage of op ids

Sharding options:

--configsvr declare this is a config db of a cluster

--shardsvr declare this is a shard db of a cluster

--noMoveParanoia turn off paranoid saving of data for moveChunk. this

is on by default for now, but default will switch

[root@master bin]# cd ../

[root@master mongodb]# vu start_mongo

-bash: vu: command not found

[root@master mongodb]# vi start_mongo

#!/bin/bash

bin/mongod --dbpath=/usr/local/mongodb/data --logpath=/usr/local/mongodb/logs --logappend --port=6699 --fork

[root@master mongodb]# netstat -tnpl

Active Internet connections (only servers)

Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name

tcp 0 0 0.0.0.0:868 0.0.0.0:* LISTEN 2806/rpc.statd

tcp 0 0 0.0.0.0:6699 0.0.0.0:* LISTEN 3519/mongod

tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN 2765/portmap

tcp 0 0 0.0.0.0:7699 0.0.0.0:* LISTEN 3519/mongod

tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN 3080/cupsd

tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 3138/sendmail: acce

tcp 0 0 :::22 :::* LISTEN 3051/sshd

[root@master mongodb]# cd bin/

[root@master bin]# ls

bsondump mongo mongod mongodump mongoexport mongofiles mongoimport mongorestore mongos mongosniff mongostat

[root@master bin]# mongo --help

-bash: mongo: command not found

[root@master bin]# ./mongo --help

MongoDB shell version: 1.6.3

usage: ./mongo [options] [db address] [file names (ending in .js)]

db address can be:

foo foo database on local machine

192.169.0.5/foo foo database on 192.168.0.5 machine

192.169.0.5:9999/foo foo database on 192.168.0.5 machine on port 9999

options:

--shell run the shell after executing files

--nodb don't connect to mongod on startup - no 'db address'

arg expected

--quiet be less chatty

--port arg port to connect to

--host arg server to connect to

--eval arg evaluate javascript

-u [ --username ] arg username for authentication

-p [ --password ] arg password for authentication

-h [ --help ] show this usage information

--version show version information

--ipv6 enable IPv6 support (disabled by default)

file names: a list of files to run. files have to end in .js and will exit after unless --shell is specified

[root@master bin]# ./bsondump --help

usage: ./bsondump [options] <bson filename>

options:

--help produce help message

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

verbosity e.g. -vvvvv)

-h [ --host ] arg mongo host to connect to ("left,right" for pairs)

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

-d [ --db ] arg database to use

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

-u [ --username ] arg username

-p [ --password ] arg password

--ipv6 enable IPv6 support (disabled by default)

--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 if dbpath specified, each db is in a separate

【MongoDB之数据备份与恢复】

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