1 )显示端口rpc使用端口https://www.cn DBA.cn/Zha sir/article/3437
#rpcinfo -p
程序vers proto port服务
100000 4 tcp 111 portmapper
100000 3 tcp 111 portmapper
100000 2 tcp 111 portmapper
100000 4 udp 111 portmapper
100000 3 udp 111 portmapper
100000 2 udp 111 portmapper
100024 1 udp 60653 status
100024 1 tcp 34616 status
100011 1 udp 875 rquotad
100011 2 udp 875 rquotad
100011 1 tcp 875 rquotad
100011 2 tcp 875 rquotad
100005 1 udp 44827 mountd
100005 1 tcp 48606 mountd
100005 2 udp 49265 mountd
100005 2 tcp 33534 mountd
100005 3 udp 51657 mountd
100005 3 tcp 47918 mountd
100003 2 tcp 2049 nfs
100003 3 tcp 2049 nfs
100003 4 tcp 2049 nfs
100227 2 tcp 2049 nfs_acl
100227 3 tcp 2049 nfs_acl
100003 2 udp 2049 nfs
100003 3 udp 2049 nfs
100003 4 udp 2049 nfs
100227 2 udp 2049 nfs_acl
100227 3 udp 2049 nfs_acl
100021 1 udp 49197 nlockmgr
100021 3 udp 49197 nlockmgr
100021 4 udp 49197 nlockmgr
100021 1 tcp 44240 nlockmgr
100021 3 tcp 44240 nlockmgr
100021 4 tcp 44240 nlockmgr
2 )配置固定的nfs端口号
#vim /etc/sysconfig/nfs
RQUOTAD_PORT=875
LOCKD易怒金鱼=32803
LOCKD_UDPPORT=32769
MOUNTD_PORT=892
STATD_PORT=662
#service rpcbind restart
stopping rpcbind : [确定]
starting rpcbind : [确定]
#服务NFS重新启动
shutting down NFS daemon : [确定]
shutting down NFS mount d : [确定]
shutting down NFS quotas : [确定]
shuttingdownnfsservices : [确定]
shutting down RPC idmapd : [确定]
starting NFS服务： [确定]
starting NFS quotas : [确定]
starting NFS mount d : [确定]
starting NFS daemon : [确定]
开始RPC idmapd : [确定]
4 )再次查看端口
#rpcinfo -p
程序vers proto port服务
100000 4 tcp 111 portmapper
100000 3 tcp 111 portmapper
100000 2 tcp 111 portmapper
100000 4 udp 111 portmapper
100000 3 udp 111 portmapper
100000 2 udp 111 portmapper
100011 1 udp 875 rquotad
100011 2 udp 875 rquotad
100011 1 tcp 875 rquotad
100011 2 tcp 875 rquotad
100005 1 udp 892 mountd
100005 1 tcp 892 mountd
100005 2 udp 892 mountd
100005 2 tcp 892 mountd
100005 3 udp 892 mountd
100005 3 tcp 892 mountd
100003 2 tcp 2049 nfs
100003 3 tcp 2049 nfs
100003 4 tcp 2049 nfs
100227 2 tcp 2049 nfs_acl
100227 3 tcp 2049 nfs_acl
100003 2 udp 2049 nfs
100003 3 udp 2049 nfs
100003 4 udp 2049 nfs
100227 2 udp 2049 nfs_acl
100227 3 udp 2049 nfs_acl
100021 1 udp 32769 nlockmgr
100021 3 udp 32769 nlockmgr
100021 4 udp 32769 nlockmgr
100021 1 tcp 32803 nlockmgr
100021 3 tcp 32803 nlockmgr
100021 4 tcp 32803 nlockmgr
5 )添加防火墙规则(添加位置至关重要) https://www.cn DBA.cn/Zha sir/article/34373359 www.cn DBA.cn/Zha sir/article/343359 www
#vim /etc/sysconfig/iptables
- a输入- ptcp-mtcp-s 10.0.1.7-- dport 111-j accept
- a输入-填充-填充-填充- s 10.0.1.7-- dport 111-j accept
- a输入- ptcp-mtcp-s 10.0.1.7-- dport 2049-j accept
- a输入-填充-填充-填充- s 10.0.1.7-- dport 2049-j accept
- a输入- ptcp-mtcp-s 10.0.1.7-- dport 662-j accept
- a input-pudp-mudp-s 10.0.1.7-- dport 662-j accept
- a输入- ptcp-mtcp-s 10.0.1.7-- dport 875-j accept
- a输入- pudp-mudp-s 10.0.1.7-- dport 875-j accept
- a输入- ptcp-mtcp-s 10.0.1.7-- dport 892-j accept
- a输入- pudp-mudp-s 10.0.1.7-- dport 892-j accept
- a输入- ptcp-mtcp-s 10.0.1.7-- dport 32803-j accept
- a input-pudp-mudp-s 10.0.1.7-- dport 32769-j accept
6 )防火墙重新启动
#服务可移植重启
iptables : settingchainstopolicyaccept : filter [确定]
iptables : flushingfirewallrules : [确定]
iptables :卸载模块： [确定]
iptables : applyingfirewallrules : [确定]
3359 www.cn DBA.cn/Zha sir/article/34373359 www.cn DBA.cn/Zha sir/article/34373359 www.cn DBA.cn
#showmount -e 10.0.1.12
导出列表for 10.0.1.12:
/rman_backup/coredb 10.0.1.7
#showmount -e 10.0.1.12
clnt _ create : RPC : portmap per failure-unabletoreceive : errno 113 (通告程序故障) )。
nfs rpcbind iptables