Mark Curtis created CASSANDRA-8554:
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Summary: Nodetool drain shows all nodes as UP on the drained node
Key: CASSANDRA-8554
URL: https://issues.apache.org/jira/browse/CASSANDRA-8554
Project: Cassandra
Issue Type: Bug
Environment: Centos 6.5, DSE4.5.1 tarball install
Reporter: Mark Curtis
Priority: Minor
When running nodetool drain, the drained node will still show the status of
itself as UP in nodetool status even after the drain has finished. For example
using a 3 node cluster on one of the nodes that is still operating and not
drained we see this:
{code}
$ ./dse-4.5.1/bin/nodetool status
Note: Ownership information does not include topology; for complete
information, specify a keyspace
Datacenter: Central
===================
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
-- Address Load Tokens Owns Host ID
Rack
UN 192.168.56.21 210.78 KB 256 32.1%
82eb2fca-4f57-467b-a972-93096ec5d69f RAC1
DN 192.168.56.23 2.22 GB 256 33.5%
a11bfac1-fad0-440b-bd68-7562a89ce3c7 RAC1
UN 192.168.56.22 2.22 GB 256 34.4%
4250cb05-97be-4bac-887a-acc307d1bc0c RAC1
{code}
While on the drained node we see this:
{code}
[datastax@DSE4 ~]$ ./dse-4.5.1/bin/nodetool drain
[datastax@DSE4 ~]$ ./dse-4.5.1/bin/nodetool status
Note: Ownership information does not include topology; for complete
information, specify a keyspace
Datacenter: Central
===================
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
-- Address Load Tokens Owns Host ID
Rack
UN 192.168.56.21 210.78 KB 256 32.1%
82eb2fca-4f57-467b-a972-93096ec5d69f RAC1
UN 192.168.56.23 2.22 GB 256 33.5%
a11bfac1-fad0-440b-bd68-7562a89ce3c7 RAC1
UN 192.168.56.22 2.22 GB 256 34.4%
4250cb05-97be-4bac-887a-acc307d1bc0c RAC1
{code}
Netstat shows outgoing connections from the drained node to other nodes as
still established on port 7000 but the node is no longer listening on port 7000
which I believe is expected.
However the output of nodetool status on the drained node could be interpreted
as misleading.
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