How to drop collection "system.indexes_copy"

[Nod]

Hello.

Via rockmongo I create collection "system.indexes_copy".

Now not via rockmongo, nor mongo-shell can not drop this collection.

This collection is empty. 

mongos> db.getCollection("system.indexes_copy").drop();
Tue Oct  9 17:13:38 uncaught exception: drop failed: {
        "ns" : "zero_cid.system.indexes_copy",
        "errmsg" : "exception: can't drop system ns",
        "code" : 12502,
        "ok" : 0
}

How can I drop it? 

[Jenna deBoisblanc]

Hello Nod,

This is a known issue.  Here is the related Jira ticket:

https://jira.mongodb.org/browse/SERVER-4302

Please feel free to up vote or track this ticket.