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<>解决：clnt_create: RPC: Port mapper failure - Unable to receive: errno 113 (No
route to host)
实验环境：centos7。
实验目的：NFS 存储部署。
[root@oVirt-Engine ~]# showmount -e 192.168.10.132 clnt_create: RPC: Port
mapper failure - Unable to receive: errno113 (No route to host)
* 开启nfs服务 systemctl start rpcbind nfs-server
* 查看部署了nfs服务的服务器接口（前提两台主机可以ping通） [root@oVirt-Engine ~]# rpcinfo -p
192.168.10.132 program vers proto port service 100000 4 tcp 111 portmapper
100000 3 tcp 111 portmapper 100000 2 tcp 111 portmapper 100000 4 udp 111
portmapper100000 3 udp 111 portmapper 100000 2 udp 111 portmapper 100024 1 udp
35065 status 100024 1 tcp 42556 status 100005 1 udp 20048 mountd 100005 1 tcp
20048 mountd 100005 2 udp 20048 mountd 100005 2 tcp 20048 mountd 100005 3 udp
20048 mountd 100005 3 tcp 20048 mountd 100003 3 tcp 2049 nfs 100003 4 tcp 2049
nfs100227 3 tcp 2049 nfs_acl 100003 3 udp 2049 nfs 100003 4 udp 2049 nfs 100227
3 udp 2049 nfs_acl 100021 1 udp 42203 nlockmgr 100021 3 udp 42203 nlockmgr
100021 4 udp 42203 nlockmgr 100021 1 tcp 37289 nlockmgr 100021 3 tcp 37289
nlockmgr100021 4 tcp 37289 nlockmgr
* 若这时候，还是一样的报错 [root@oVirt-Engine ~]# showmount -e 192.168.10.132
clnt_create: RPC: Port mapper failure - Unable to receive: errno113 (No route to
host)
* 查看环境服务器的防火墙 [root@ovirt-node ~]# systemctl status firewalld ●
firewalld.service - firewalld - dynamic firewall daemon Loaded: loaded(
/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)
Active: active(running) since 三 2020-12-23 06:28:18 UTC; 2h 8min ago Docs:
man:firewalld(1) Main PID: 1013 (firewalld) CGroup:
/system.slice/firewalld.service └─1013 /usr/bin/python2 -Es /usr/sbin/firewalld
--nofork --nopid12月 23 06:28:18 ovirt-node systemd[1]: Starting firewalld -
dynamic firewa.... 12月 23 06:28:18 ovirt-node systemd[1]: Started firewalld -
dynamic firewal.... 12月 23 06:28:19 ovirt-node firewalld[1013]: WARNING:
AllowZoneDrifting is.... 12月 23 08:00:26 ovirt-node firewalld[1013]: WARNING:
AllowZoneDrifting is.... Hint: Some lines were ellipsized, use -l to show in
full.
* 关闭防火墙 [root@ovirt-node ~]# systemctl stop firewalld [root@ovirt-node ~]#
systemctl status firewalld ● firewalld.service - firewalld - dynamic firewall
daemon Loaded: loaded(/usr/lib/systemd/system/firewalld.service; disabled;
vendor preset: enabled) Active: inactive (dead) Docs: man:firewalld(1) 12月 23
06:28:18 ovirt-node systemd[1]: Starting firewalld - dynamic firewa.... 12月 23
06:28:18 ovirt-node systemd[1]: Started firewalld - dynamic firewal.... 12月 23
06:28:19 ovirt-node firewalld[1013]: WARNING: AllowZoneDrifting is .... 12月 23
08:00:26 ovirt-node firewalld[1013]: WARNING: AllowZoneDrifting is .... 12月 23
08:37:27 ovirt-node systemd[1]: Stopping firewalld - dynamic firewa.... 12月 23
08:37:28 ovirt-node systemd[1]: Stopped firewalld - dynamic firewal.... Hint:
Some lines were ellipsized, use -l to showin full.
* 检测 [root@oVirt-Engine ~]# showmount -e 192.168.10.132 Export list for
192.168.10.132: /var/nfs/iso * /var/nfs/vmstorage *
* 与部署环境的服务器相比 [root@ovirt-node ~]# exportfs -avr exporting *:/var/nfs/iso
exporting *:/var/nfs/vmstorage[root@ovirt-node ~]#
* 这时我们的NFS 存储部署报错就解决了。