DNS不能進行反向解析，導致amoeba無法鏈接到數據庫

DNS不能進行反向解析，導致amoeba無法鏈接到數據庫
[root@master ~]# tail -5 /usr/local/mysql/data/master.linuxfan.cn.err
170926 19:09:18 [Warning] IP address '192.168.200.202' could not be resolved: Temporary failure in name resolution
170926 19:10:03 [Warning] IP address '192.168.200.202' could not be resolved: Temporary failure in name resolution
170926 19:10:48 [Warning] IP address '192.168.200.202' could not be resolved: Temporary failure in name resolution
170926 20:03:28 [Note] Start binlog_dump to slave_server(22), pos(master-bin.000001, 706)
170926 20:03:34 [Note] Start binlog_dump to slave_server(33), pos(master-bin.000001, 706)
[root@master ~]#
解決方法：192.168.200.254
[root@localhost ~]# vi /var/named/chroot/etc/named.conf
options {
listen-on port 53 { any; };
forwarders { 202.106.0.20;114.114.114.114;8.8.8.8; };
directory "/var/named";
};
zone "linuxfan.cn." IN {
type master;
file "linuxfan.cn.zone";
};
zone "200.168.192.in-addr.arpa" IN { ##添加反向解析
type master;
file "192.168.200.arpa";
};
zone "linuxren.cn." IN {
type master;
file "linuxren.cn.zone";
};
:wq
[root@localhost ~]# vi /var/named/chroot/var/named/linuxfan.cn.zone ##添加數據庫及代理的A記錄
$TTL 86400
@ IN SOA linuxfan.cn. root.linuxfan.cn. (
20150630
1H
2M
3W
1D
)
@ IN NS ns.linuxfan.cn.
mail IN MX 10 mail.linuxfan.cn.
@ IN A 192.168.200.254
mail IN A 192.168.200.254
ns IN A 192.168.200.254
ftp IN A 192.168.200.254
ntp IN CNAME ns
amoeba IN A 192.168.200.202
master IN A 192.168.200.203
slave1 IN A 192.168.200.204
slave2 IN A 192.168.200.205
:wq
[root@localhost ~]# vi /var/named/chroot/var/named/192.168.200.arpa ##添加反向解析PTR記錄
$TTL 86400
@ IN SOA linuxfan.cn. root.linuxfan.cn. (
20150630
1H
2M
3W
1D
)
@ IN NS ns.linuxfan.cn.
mail IN MX 10 mail.linuxfan.cn.
202 IN PTR amoeba.linuxfan.cn.
203 IN PTR master.linuxfan.cn.
204 IN PTR slave1.linuxfan.cn.
205 IN PTR slave2.linuxfan.cn.
:wq
[root@localhost ~]# /etc/init.d/named restart