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From Roshni Rajagopal <Roshni.Rajago...@wal-mart.com>
Subject Re: Unsuccessful attempt to add a second node to a ring.
Date Wed, 01 Aug 2012 09:29:39 GMT
Jakub,

Have you set the
Data, commitlog, saved cache directories to different ones in each yaml file for each node?

Regards,
Roshni


From: Jakub Glapa <jakub.glapa@gmail.com<mailto:jakub.glapa@gmail.com>>
Reply-To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" <user@cassandra.apache.org<mailto:user@cassandra.apache.org>>
To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" <user@cassandra.apache.org<mailto:user@cassandra.apache.org>>
Subject: Unsuccessful attempt to add a second node to a ring.

Hi Everybody!

I'm trying to add a second node to an already operating one node cluster.

Some specs:
- cassandra 1.0.7
- both nodes have a routable listen_address and rpc_address.
- Ports are open: (from node2) telnet node1 7000 is successful
- Seeds parameter on node2 points to node 1.

[node1] nodetool -h localhost ring
Address         DC          Rack        Status State   Load            Owns    Token
node1.ip     datacenter1 rack1       Up     Normal  74.33 KB        100.00% 0

- initial token on node2 was specified

I see something like that in the logs on node2:

DEBUG [main] 2012-07-31 13:50:38,640 CollationController.java (line 76) collectTimeOrderedData
 INFO [main] 2012-07-31 13:50:38,641 StorageService.java (line 667) JOINING: waiting for ring
and schema information
DEBUG [WRITE-NODE1/node1.ip] 2012-07-31 13:50:39,642 OutboundTcpConnection.java (line 206)
attempting to connect to NODE1/node1.ip
DEBUG [ScheduledTasks:1] 2012-07-31 13:50:40,639 LoadBroadcaster.java (line 86) Disseminating
load info ...
 INFO [main] 2012-07-31 13:51:08,641 StorageService.java (line 667) JOINING: schema complete,
ready to bootstrap
DEBUG [main] 2012-07-31 13:51:08,642 StorageService.java (line 554) ... got ring + schema
info
 INFO [main] 2012-07-31 13:51:08,642 StorageService.java (line 667) JOINING: getting bootstrap
token
DEBUG [main] 2012-07-31 13:51:08,644 BootStrapper.java (line 138) token manually specified
as 85070591730234615865843651857942052864
DEBUG [main] 2012-07-31 13:51:08,645 Table.java (line 387) applying mutation of row 4c


but it doesn't join the ring:

[node2] nodetool -h localhost ring
Address         DC          Rack        Status State   Load            Owns    Token
node2.ip   datacenter1 rack1       Up     Normal  13.49 KB        100.00% 85070591730234615865843651857942052864



I'm attaching the full log from node2 startup in debug mode.



PS.
When I didn't specified the initial token on node2 I ended up with exception like that:
"Exception encountered during startup: No other nodes seen!  Unable to bootstrap.If you intended
to start a single-node cluster, you should make sure your broadcast_address (or listen_address)
is listed as a seed.
Otherwise, you need to determine why the seed being contacted has no knowledge of the rest
of the cluster.  Usually, this can be solved by giving all nodes the same seed list."


I'm not sure how to proceed now. I found a couple of posts with problems like that but they
weren't very useful.

--
regards,
Jakub Glapa

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