日志信息如下：
Feb 06 05:04:48 master-15 systemd[1]: Unit etcd.service entered failed state.
Feb 06 05:04:48 master-15 systemd[1]: etcd.service failed.
Feb 06 05:04:54 master-15 systemd[1]: etcd.service holdoff time over, scheduling restart.
Feb 06 05:04:54 master-15 systemd[1]: Starting Etcd Server...
-- Subject: Unit etcd.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit etcd.service has begun starting up.
Feb 06 05:04:54 master-15 systemd[16498]: Failed at step USER spawning /usr/bin/etcd: No such pr
-- Subject: Process /usr/bin/etcd could not be executed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- The process /usr/bin/etcd could not be executed and failed.
--
-- The error number returned by this process is 3.
Feb 06 05:04:54 master-15 systemd[1]: etcd.service: main process exited, code=exited, status=217
Feb 06 05:04:54 master-15 systemd[1]: Failed to start Etcd Server.
-- Subject: Unit etcd.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit etcd.service has failed.
--
-- The result is failed.
Feb 06 05:04:54 master-15 systemd[1]: Unit etcd.service entered failed state.
Feb 06 05:04:54 master-15 systemd[1]: etcd.service failed.
etcd.service如下：
[Unit]
Description=Etcd Server
After=network.target
After=network-online.target
Wants=network-online.target
[Service]
Type=notify
WorkingDirectory=/var/lib/etcd/
User=etcd
# set GOMAXPROCS to number of processors
ExecStart=/usr/bin/etcd \
--name=etcd1 \
--cert-file=/etc/kubernetes/ssl/etcd.pem \
--key-file=/etc/kubernetes/ssl/etcd-key.pem \
--peer-cert-file=/etc/kubernetes/ssl/etcd.pem \
--peer-key-file=/etc/kubernetes/ssl/etcd-key.pem \
--trusted-ca-file=/etc/kubernetes/ssl/ca.pem \
--peer-trusted-ca-file=/etc/kubernetes/ssl/ca.pem \
--initial-advertise-peer-urls=https://192.168.230.15:2380 \
--listen-peer-urls=https://192.168.230.15:2380 \
--listen-client-urls=https://192.168.230.15:2379,http://127.0.0.1:2379 \
--advertise-client-urls=https://192.168.230.15:2379 \
--initial-cluster-token=k8s-etcd-cluster \
--initial-cluster=etcd1=https://192.168.230.15:2380 \
--initial-cluster-state=new \
--data-dir=/var/lib/etcd
Restart=on-failure
RestartSec=5
LimitNOFILE=65536
[Install]
WantedBy=multi-user.target
