unsharding collection

[beinbliss]

Hello,

After db.collection.drop() , when i create collection with same name, all the sharding info remains.

How to drop a collection totally with its sharding info? 

ver 2.6.7

[Asya Kamsky]

You are possibly running into https://jira.mongodb.org/browse/SERVER-4537 or rather one of its manifestations described in https://jira.mongodb.org/browse/SERVER-6105

Asya

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[David Murphy]

Generally if you drop a sharded collection you want to flushRouterConfig on all Mongos' and stepdown all shards to clear the information from chunkManagers and mongos'

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