mongodb 启动参数，备份和还原
mongodb 的启动 备份和数据还原，

启动
/usr/local/mongodb/bin/mongod --dbpath=/data/mongodb/data/ --logpath=/data/mongodb/logs/mongodb.log --logappend --fork --port=27017 --rest --profile=1 --slowms=500

备份
/usr/local/mongodb/bin/mongodump -d question -o /data/mongoback/question
备份question数据库

/usr/local/mongodb/bin/mongodump -o /data/mongoback/question
备份所有数据库

[root@192_168_56_28 ~]# /usr/local/mongodb/bin/mongodump  -d question -o /data/mongoback/questionconnected to: 127.0.0.1DATABASE: question       to     /data/mongoback/question/question        question.qmin to /data/mongoback/question/question/qmin.bson                11400/200000    5%                22700/200000    11%                32800/200000    16%                39700/200000    19%                47200/200000    23%                59700/200000    29%                63500/200000    31%                73700/200000    36%                84400/200000    42%                91400/200000    45%                101500/200000   50%                105900/200000   52%                117200/200000   58%                124800/200000   62%                134800/200000   67%                143600/200000   71%                150600/200000   75%                161800/200000   80%                168300/200000   84%                178200/200000   89%                188300/200000   94%                195800/200000   97%                 200000 objects        question.system.indexes to /data/mongoback/question/question/system.indexes.bson                 2 objects        question.qtest to /data/mongoback/question/question/qtest.bson                 1 objects

还原

/usr/local/mongodb/bin/mongorestore -d question /data/mongoback/question/question/

[root@192_168_56_28 ~]# /usr/local/mongodb/bin/mongorestore   -d question /data/mongoback/question/question/connected to: 127.0.0.1Wed May 18 11:36:29 /data/mongoback/question/question/qtest.bsonWed May 18 11:36:29      going into namespace [question.qtest]Wed May 18 11:36:29      1 objects foundWed May 18 11:36:29 /data/mongoback/question/question/qmin.bsonWed May 18 11:36:29      going into namespace [question.qmin]                56725689/1334923145     4%                93397983/1334923145     6%                153788007/1334923145    11%                220968938/1334923145    16%                276067420/1334923145    20%                341372204/1334923145    25%                402288690/1334923145    30%                459793285/1334923145    34%                506933463/1334923145    37%                554789270/1334923145    41%                582354565/1334923145    43%                627993479/1334923145    47%                670204833/1334923145    50%                709622208/1334923145    53%                754859802/1334923145    56%                807169138/1334923145    60%                846390240/1334923145    63%                867313806/1334923145    64%                875991977/1334923145    65%                896455305/1334923145    67%                907012668/1334923145    67%                933149500/1334923145    69%                949885248/1334923145    71%                967124423/1334923145    72%                983118646/1334923145    73%                1008473340/1334923145   75%                1017473193/1334923145   76%                1028092024/1334923145   77%                1035784528/1334923145   77%                1045745329/1334923145   78%                1057074448/1334923145   79%                1065825006/1334923145   79%                1071903919/1334923145   80%                1080134913/1334923145   80%                1093561756/1334923145   81%                1102750160/1334923145   82%                1115563948/1334923145   83%                1128663976/1334923145   84%                1139952234/1334923145   85%                1154748672/1334923145   86%                1174019666/1334923145   87%                1189835223/1334923145   89%                1213002722/1334923145   90%                1221656753/1334923145   91%                1243894747/1334923145   93%                1260171896/1334923145   94%                1280218704/1334923145   95%                1321863458/1334923145   99%Wed May 18 11:39:07      200000 objects foundWed May 18 11:39:07 /data/mongoback/question/question/system.indexes.bsonWed May 18 11:39:07      going into namespace [question.system.indexes]Wed May 18 11:39:08 { name: "_id_", ns: "question.qmin", key: { _id: 1 }, v: 0 }Wed May 18 11:39:08 { name: "_id_", ns: "question.qtest", key: { _id: 1 }, v: 0 }Wed May 18 11:39:08      2 objects found