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[admin@localhost tidb]$ ping 10.10.80.110
PING 10.10.80.110 (10.10.80.110) 56(84) bytes of data.
64 bytes from 10.10.80.110: icmp_seq=1 ttl=64 time=0.260 ms
64 bytes from 10.10.80.110: icmp_seq=2 ttl=64 time=0.223 ms
64 bytes from 10.10.80.110: icmp_seq=3 ttl=64 time=0.232 ms
^C
--- 10.10.80.110 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 0.223/0.238/0.260/0.020 ms
[admin@localhost tidb]$ su
密码：
[root@localhost tidb]# ll
总用量 485696
-rwxrwxrwx  1 root  root        391 8月   8 10:18 1.txt
-rwxrwxrwx  1 admin admin       391 8月   8 10:18 1.txt~
-rwxrwxrwx. 1 root  root    3397531 8月   6 14:10 goyacc
-rwxrwxrwx. 1 root  root   12825692 8月   6 14:10 pd-ctl
-rw-r--r--  1 root  root        957 8月   9 09:35 pd.log
-rwxrwxrwx. 1 root  root   12282442 8月   6 14:10 pd-recover
-rwxrwxrwx. 1 root  root   27258031 8月   6 14:10 pd-server
-rwxrwxrwx. 1 root  root   11882863 8月   6 14:10 pd-tso-bench
-rwxrwxrwx  1 root  root        206 8月   9 09:28 start.sh
-rwxrwxrwx  1 root  root        206 8月   8 11:49 start.sh~
-rwxrwxrwx. 1 root  root   38055862 8月   6 14:10 tidb-server
-rwxrwxrwx. 1 root  root  182228888 8月   6 14:10 tikv-ctl
-rwxrwxrwx. 1 root  root  209385552 8月   6 14:10 tikv-server
[root@localhost tidb]# rm pd.log
rm：是否删除普通文件 "pd.log"？y
[root@localhost tidb]# ./pd-server --name=pd3 --data-dir=pd3 --client-urls="http://10.10.80.101:2379"  --peer-urls="http://10.10.80.101:2380" --join="http://10.10.80.110:2379" --log-file=pd.log&
[1] 3660
[root@localhost tidb]# ps -e |grep pd-server
[1]+  退出 1                ./pd-server --name=pd3 --data-dir=pd3 --client-urls="http://10.10.80.101:2379" --peer-urls="http://10.10.80.101:2380" --join="http://10.10.80.110:2379" --log-file=pd.log
[root@localhost tidb]# ps -e |grep pd-server[root@localhost tidb]# ./pd-server --name=pd3 --data-dir=pd3 --client-urls="http://10.10.80.101:2379"  --peer-urls="http://10.10.80.101:2380" --join="http://10.10.80.110:2379" --log-file=pd.log
[root@localhost tidb]# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.10.80.101  netmask 255.255.255.0  broadcast 10.10.80.255
        inet6 fe80::ce3a:baf0:b734:349b  prefixlen 64  scopeid 0x20<link>
        inet6 fe80::5f73:4e5c:8421:caac  prefixlen 64  scopeid 0x20<link>
        ether 52:54:00:e4:1b:cc  txqueuelen 1000  (Ethernet)
        RX packets 378  bytes 103638 (101.2 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 176  bytes 19161 (18.7 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1  (Local Loopback)
        RX packets 72  bytes 6248 (6.1 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 72  bytes 6248 (6.1 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

virbr0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500
        inet 192.168.122.1  netmask 255.255.255.0  broadcast 192.168.122.255
        ether 52:54:00:47:3c:72  txqueuelen 1000  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

[root@localhost tidb]# ./pd-server --name=pd3 --data-dir=pd3 --client-urls="http://10.10.80.101:2379"  --peer-urls="http://10.10.80.101:2380" --log-file=pd.log^C

[root@localhost tidb]./pd-server --name=pd3 --data-dir=pd3 --client-urls="http://10.10.80.101:2379"  --peer-urls="http://10.10.80.101:2380" --join="http://10.10.80.110:2379" --log-file=pd.log
^C

[root@localhost tidb]ps -e |grep pd-server

[root@localhost tidb]# ./pd-server --name=pd3 --data-dir=pd3 --client-urls="http://10.10.80.101:2379"  --peer-urls="http://10.10.80.101:2380" --join="http://10.10.80.110:2379" --log-file=pd.log&
[1] 3748
[root@localhost tidb]# ps -e |grep pd-server

        3748 pts/0    00:00:00 pd-server