[2020-03-25 11:40:23.528035] E [name.c:266:af_inet_client_get_remote_sockaddr] 0-glusterfs: DNS resolution failed on host server3
[2020-03-25 11:40:24.303609] I [MSGID: 114018] [client.c:2331:client_rpc_notify] 0-data-client-2: disconnected from data-client-2. Client process will keep trying to connect to glusterd until brick's port is available
[2020-03-25 11:40:26.528517] E [name.c:266:af_inet_client_get_remote_sockaddr] 0-glusterfs: DNS resolution failed on host server3
[2020-03-25 11:40:26.528601] I [glusterfsd-mgmt.c:2443:mgmt_rpc_notify] 0-glusterfsd-mgmt: disconnected from remote-host: server3
[2020-03-25 11:40:27.533072] I [rpc-clnt.c:2035:rpc_clnt_reconfig] 0-data-client-2: changing port to 49155 (from 0)
[2020-03-25 11:40:29.533171] E [name.c:266:af_inet_client_get_remote_sockaddr] 0-glusterfs: DNS resolution failed on host server3
[2020-03-25 11:40:31.536284] C [rpc-clnt-ping.c:155:rpc_clnt_ping_timer_expired] 0-data-client-0: server 192.168.40.11:49152 has not responded in the last 30 seconds, disconnecting.
[2020-03-25 11:40:31.536371] I [MSGID: 114018] [client.c:2331:client_rpc_notify] 0-data-client-0: disconnected from data-client-0. Client process will keep trying to connect to glusterd until brick's port is available
[2020-03-25 11:40:31.536396] W [MSGID: 108001] [afr-common.c:5595:afr_notify] 0-data-replicate-0: Client-quorum is not met
[2020-03-25 11:40:31.536441] I [rpc-clnt.c:2035:rpc_clnt_reconfig] 0-data-client-2: changing port to 49155 (from 0)
[2020-03-25 11:40:31.536734] E [rpc-clnt.c:346:saved_frames_unwind] (--> /lib64/libglusterfs.so.0(_gf_log_callingfn+0x13b)[0x7fb5fad74b0b] (--> /lib64/libgfrpc.so.0(+0xd7e4)[0x7fb5fab1a7e4] (--> /lib64/libgfrpc.so.0(+0xd8fe)[0x7fb5fab1a8fe] (--> /lib64/libgfrpc.so.0(rpc_clnt_connection_cleanup+0xc3)[0x7fb5fab1b9b3] (--> /lib64/libgfrpc.so.0(+0xf548)[0x7fb5fab1c548] ))))) 0-data-client-0: forced unwinding frame type(GlusterFS 4.x v1) op(LOOKUP(27)) called at 2020-03-25 11:39:59.573489 (xid=0x160)
[2020-03-25 11:40:31.536755] W [MSGID: 114031] [client-rpc-fops_v2.c:2634:client4_0_lookup_cbk] 0-data-client-0: remote operation failed. Path: / (00000000-0000-0000-0000-000000000001) [Transport endpoint is not connected]
[2020-03-25 11:40:31.536860] E [rpc-clnt.c:346:saved_frames_unwind] (--> /lib64/libglusterfs.so.0(_gf_log_callingfn+0x13b)[0x7fb5fad74b0b] (--> /lib64/libgfrpc.so.0(+0xd7e4)[0x7fb5fab1a7e4] (--> /lib64/libgfrpc.so.0(+0xd8fe)[0x7fb5fab1a8fe] (--> /lib64/libgfrpc.so.0(rpc_clnt_connection_cleanup+0xc3)[0x7fb5fab1b9b3] (--> /lib64/libgfrpc.so.0(+0xf548)[0x7fb5fab1c548] ))))) 0-data-client-0: forced unwinding frame type(GlusterFS 4.x v1) op(LOOKUP(27)) called at 2020-03-25 11:40:01.272478 (xid=0x161)
[2020-03-25 11:40:31.536958] E [rpc-clnt.c:346:saved_frames_unwind] (--> /lib64/libglusterfs.so.0(_gf_log_callingfn+0x13b)[0x7fb5fad74b0b] (--> /lib64/libgfrpc.so.0(+0xd7e4)[0x7fb5fab1a7e4] (--> /lib64/libgfrpc.so.0(+0xd8fe)[0x7fb5fab1a8fe] (--> /lib64/libgfrpc.so.0(rpc_clnt_connection_cleanup+0xc3)[0x7fb5fab1b9b3] (--> /lib64/libgfrpc.so.0(+0xf548)[0x7fb5fab1c548] ))))) 0-data-client-0: forced unwinding frame type(GF-DUMP) op(NULL(2)) called at 2020-03-25 11:40:01.524124 (xid=0x162)
[2020-03-25 11:40:31.536971] W [rpc-clnt-ping.c:210:rpc_clnt_ping_cbk] 0-data-client-0: socket disconnected
[2020-03-25 11:40:32.536572] E [name.c:266:af_inet_client_get_remote_sockaddr] 0-glusterfs: DNS resolution failed on host server3
[2020-03-25 11:40:32.536641] I [glusterfsd-mgmt.c:2463:mgmt_rpc_notify] 0-glusterfsd-mgmt: Exhausted all volfile servers
[2020-03-25 11:40:35.542448] E [name.c:266:af_inet_client_get_remote_sockaddr] 0-glusterfs: DNS resolution failed on host server3
[2020-03-25 11:40:35.542475] I [rpc-clnt.c:2035:rpc_clnt_reconfig] 0-data-client-2: changing port to 49155 (from 0)
[2020-03-25 11:40:31.536875] W [MSGID: 114031] [client-rpc-fops_v2.c:2634:client4_0_lookup_cbk] 0-data-client-0: remote operation failed. Path: / (00000000-0000-0000-0000-000000000001) [Transport endpoint is not connected]
The message "E [MSGID: 101075] [common-utils.c:508:gf_resolve_ip6] 0-resolver: getaddrinfo failed (family:2) (Name or service not known)" repeated 39 times between [2020-03-25 11:38:38.501755] and [2020-03-25 11:40:35.542446]