Sharding Not Enabled

[Stan]

MongoDB version 2.02. printShardingStatus() shows my databases as
enabled for sharding and the command
db.adminCommand({enableSharding:"policydb"}) returns { "ok" : 0,
"errmsg" : "already enabled" }. However, the command
db.adminCommand({shardCollection:"policydb:policies", key : {"_yymm":
1,"u":1}}) returns { "ok" : 0, "errmsg" : "sharding not enabled for
db" }.

This database was imported from another server that was enabled for
sharding (using mongodump and mongorestore).

Is there any way short of dropping the database and starting over to
shard my collections?

[Scott Hernandez]

I believe you want db.adminCommand({shardCollection:"policydb.policies" ...

Note that you had a ":" in there before.

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[Stan McQueen]

Oh, duh! That's what I get for switching between editing Erlang source
and running javascript commands!

Thanks for spotting that.

Stan

[Stan]

Yep, thanks very much. That's what I get for switching between editing
Erlang source and running MongoDB commands!

[Steve Strong]

and if you're anything like me, you keep using full stops instead of semicolons in the mongo shell :)

Sent from my iPhone

[Scott Hernandez]

Yes, sometimes the little things matter.

[Adewole Ogunyadeka]

Dear all,

I have installed Mongodb using the instructions given on https://jujucharms.com/mongodb/precise/40 and http://blog.xtremeghost.com/2012/11/lets-shard-something.html. After setting it up, I can see all my services exposed but I still get the message: this db does not have sharding enabled ... when I run the sh.status() command. I do not know how to go about resolving the problem. 

I have 5 nodes. I use node 1 as my mongos, and node 2 as my config server (running 3 instances). The configuration for  node 3, 4, and 5 are as follows: Node 3: shard1/0, shard2/1, shard3/2. Node 4: shard2/0, shard3/1, shard1/2 and Node 5 shard3/0,shard1/1, shard2/1.

What could be the problem.

[Asya Kamsky]

I don't know where these instructions came from, I'm pretty sure if
you follow the tutorials at docs.mongodb.org for sharding you would
end up executing all the steps necessary to get your cluster running.

http://docs.mongodb.org/manual/administration/sharded-clusters/

Btw, please start a new conversation with a new topic rather than
replying to a thread from many years ago - makes it easier to follow
conversations.

Asya

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[Adewole Ogunyadeka]

Thank you Asya, The problem is that I installed Mongodb Shard in a cloud environment called juju charms https://jujucharms.com/ . This does not give me the flexibility to follow the steps on the website.