mongodb - Mongorestore of a db causing me trouble -

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i'm new mongodb , have hard time backup local db , restore on server. found link on mongo's website : http://www.mongodb.org/display/docs/import+export+tools still have problems restore.

when backup call 

mongodump --db gen

then see collections dump in /bin/dump/gen folder

i copy-paste local server in same folder call

mongorestore --db gen --drop --dbpath dump/gen

but following : error : root directory must dump of single database when specifying db name --db

ok find out i'm doing wrong :

i doing 

mongorestore --db gen --drop --dbpath dump/gen

but without --dbpath works fine!

mongorestore --db gen --drop dump/gen

thanks everyone!


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