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MariaDB with Galera on RedHat 7.2 not starting

Hi, can someone please help as I couldn't find relevant information online. When trying to initialize the first node of the cluster, I get this:

Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: wsrep_load(): loading provider library '/usr/lib64/galera/libgalera_smm.so'
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: wsrep_load(): Galera 25.3.15(r3578) by Codership Oy <info@codership.com> loaded
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: CRC-32C: using hardware acceleration.
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: Found saved state: 00000000-0000-0000-0000-000000000000:-1
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: Passing config to GCS: base_dir = /var/lib/mysql/; base_host = 172.20.1.56; bas
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510378977024 [Note] WSREP: Service thread queue flushed.
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: Assign initial position for certification: -1, protocol version: -1
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: wsrep_sst_grab()
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: Start replication
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: Setting initial position to 00000000-0000-0000-0000-000000000000:-1
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: protonet asio version 0
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: Using CRC-32C for message checksums.
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: backend: asio
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Warning] WSREP: access file(/var/lib/mysql//gvwstate.dat) failed(No such file or directory)
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: restore pc from disk failed
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: GMCast version 0
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: (b5e7b88e, 'tcp://0.0.0.0:4567') listening at tcp://0.0.0.0:4567
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: (b5e7b88e, 'tcp://0.0.0.0:4567') multicast: , ttl: 1
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: EVS version 0
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Note] WSREP: gcomm: connecting to group 'galera_cluster', peer '172.20.1.56:,172.20.1.57:,17
Jun 12 11:14:40 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:40 140510611449984 [Warning] WSREP: (b5e7b88e, 'tcp://0.0.0.0:4567') address 'tcp://172.20.1.56:4567' points to
Jun 12 11:14:43 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:43 140510611449984 [Warning] WSREP: no nodes coming from prim view, prim not possible
Jun 12 11:14:43 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:43 140510611449984 [Note] WSREP: view(view_id(NON_PRIM,b5e7b88e,1) memb {
Jun 12 11:14:43 mariadb-N1.intelligene.local mysqld[10404]: b5e7b88e,0
Jun 12 11:14:43 mariadb-N1.intelligene.local mysqld[10404]: } joined {
Jun 12 11:14:43 mariadb-N1.intelligene.local mysqld[10404]: } left {
Jun 12 11:14:43 mariadb-N1.intelligene.local mysqld[10404]: } partitioned {
Jun 12 11:14:43 mariadb-N1.intelligene.local mysqld[10404]: })
Jun 12 11:14:43 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:14:43 140510611449984 [Warning] WSREP: last inactive check more than PT1.5S ago (PT3.50184S), skipping check
Jun 12 11:15:13 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:15:13 140510611449984 [Note] WSREP: view((empty))
Jun 12 11:15:13 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:15:13 140510611449984 [ERROR] WSREP: failed to open gcomm backend connection: 110: failed to reach primary view: 11
Jun 12 11:15:13 mariadb-N1.intelligene.local mysqld[10404]: at gcomm/src/pc.cpp:connect():162
Jun 12 11:15:13 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:15:13 140510611449984 [ERROR] WSREP: gcs/src/gcs_core.cpp:gcs_core_open():208: Failed to open backend connection: -
Jun 12 11:15:13 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:15:13 140510611449984 [ERROR] WSREP: gcs/src/gcs.cpp:gcs_open():1379: Failed to open channel 'galera_cluster' at 'g
Jun 12 11:15:13 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:15:13 140510611449984 [ERROR] WSREP: gcs connect failed: Connection timed out
Jun 12 11:15:13 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:15:13 140510611449984 [ERROR] WSREP: wsrep::connect(gcomm://172.20.1.56,172.20.1.57,172.20.1.58) failed: 7
Jun 12 11:15:13 mariadb-N1.intelligene.local mysqld[10404]: 2016-06-12 11:15:13 140510611449984 [ERROR] Aborting
Jun 12 11:15:14 mariadb-N1.intelligene.local systemd[1]: mariadb.service: main process exited, code=exited, status=1/FAILURE
Jun 12 11:15:14 mariadb-N1.intelligene.local systemd[1]: Failed to start MariaDB database server.
-- Subject: Unit mariadb.service has failed

Answer Answered by Claudio Nanni in this comment.

It looks like you are starting the first node of the cluster, the first node should not look for any other node of the cluster but it should perform what is called 'bootstrap', this can be achieved in a couple of ways(one is the way Nirbhay mentioned), for more complete reference on this please refer to: https://mariadb.com/blog/mariadb-galera-cluster-quirk-bootstrapping

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