# \[data1\] not enough master nodes discovered during pinging (found \[\[\]\], but needed \[-1\])
**URL:** https://discuss.elastic.co/t/data1-not-enough-master-nodes-discovered-during-pinging-found-but-needed-1/145045
**Category:** Elasticsearch
**Created:** [August 19, 2018, 10:18am UTC](https://discuss.elastic.co/t/data1-not-enough-master-nodes-discovered-during-pinging-found-but-needed-1/145045 "2018-08-19T10:18:18Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@Rahul.Deshmukh](https://discuss.elastic.co/u/Rahul.Deshmukh)
#### Post date: [August 19, 2018, 10:18am UTC](https://discuss.elastic.co/t/data1-not-enough-master-nodes-discovered-during-pinging-found-but-needed-1/145045/1 "2018-08-19T10:18:18Z")
Hi There, having issue with discovering data node in elastic, tried all of the all posts about same issue but could not resolve it, please help!!
My Environemt:
Two Centos Vmware workstation Vm's
```
NODE 1 Config: Master Node
ip adress: ens33:192.168.234.129
cluster.name: my-homelab
node.name: master
node.master: true
node.data: true
path.data: /var/lib/elasticsearch
path.logs: /var/log/elasticsearch
network.host: _ens33:ipv4_
discovery.zen.ping.unicast.hosts: ["192.168.234.128", "192.168.234.129"]
[root@server1 network-scripts]# curl http://192.168.234.129:9200
{
"name" : "master",
"cluster_name" : "my-homelab",
"cluster_uuid" : "_DuH8qz9R7a9_3SPMiC7VA",
"version" : {
"number" : "6.3.2",
"build_flavor" : "default",
"build_type" : "rpm",
"build_hash" : "053779d",
"build_date" : "2018-07-20T05:20:23.451332Z",
"build_snapshot" : false,
"lucene_version" : "7.3.1",
"minimum_wire_compatibility_version" : "5.6.0",
"minimum_index_compatibility_version" : "5.0.0"
},
"tagline" : "You Know, for Search"
}
```
* * *
```
NODE2 Config--data node
ip adress: ens33:192.168.234.128
cluster.name: my-homelab
node.name: data1
node.master: false
node.data: true
network.host: _ens33:ipv4_
network.bind_host: _ens33:ipv4_
discovery.zen.ping.unicast.hosts: ["192.168.234.129", "192.168.234.128"]
[root@server2 network-scripts]# curl http://192.168.234.128:9200
{
"name" : "data1",
"cluster_name" : "my-homelab",
"cluster_uuid" : "_na_",
"version" : {
"number" : "6.3.2",
"build_flavor" : "default",
"build_type" : "rpm",
"build_hash" : "053779d",
"build_date" : "2018-07-20T05:20:23.451332Z",
"build_snapshot" : false,
"lucene_version" : "7.3.1",
"minimum_wire_compatibility_version" : "5.6.0",
"minimum_index_compatibility_version" : "5.0.0"
},
"tagline" : "You Know, for Search"
}
[root@server2 network-scripts]#
```
* * *
---
### Author:  [@Rahul.Deshmukh](https://discuss.elastic.co/u/Rahul.Deshmukh)
#### Post date: [August 19, 2018, 8:12pm UTC](https://discuss.elastic.co/t/data1-not-enough-master-nodes-discovered-during-pinging-found-but-needed-1/145045/2 "2018-08-19T20:12:55Z")
resolved this through below command for both ports 9200 and 9300
# firewall-cmd --add-port=9200/tcp
# firewall-cmd --add-port=9200/tcp --permanent
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [September 16, 2018, 8:13pm UTC](https://discuss.elastic.co/t/data1-not-enough-master-nodes-discovered-during-pinging-found-but-needed-1/145045/3 "2018-09-16T20:13:01Z")
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