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安装 NFS 服务器
# yum install nfs-utils nfs4-acl-tools portmap
配置 NFS 共享
# vi /etc/exports /bak 172.16.20.11(rw,sync,fsid=0) 172.16.20.12(rw,sync,fsid=0)
# chkconfig nfs on # chkconfig portmap on # /etc/init.d/portmap start # /etc/init.d/nfs start
# rpcinfo -p program vers proto port 100000 2 tcp 111 portmapper 100000 2 udp 111 portmapper 100003 2 udp 2049 nfs 100003 3 udp 2049 nfs 100003 4 udp 2049 nfs ... 100005 3 tcp 750 mountd
# exportfs /bak 172.16.20.11 /bak 172.16.20.12
# vi /etc/hosts.deny portmap:ALL # vi /etc/hosts.allow portmap:172.16.38.0/255.255.254.0
使用 NFS 客户端
# /etc/init.d/portmap start
# showmount -e 172.16.20.1 Export list for 172.16.20.1: /bak 172.16.20.11,172.16.20.12
# mkdir /home/vpsee/bak # mount -t nfs4 172.16.20.1:/ /home/vpsee/bak/ # df -H Filesystem Size Used Avail Use% Mounted on ... 172.16.39.1:/ 232G 23G 198G 11% /home/vpsee/bak
# vi /etc/fstab 172.16.20.1:/ /bak nfs4 soft,intr,rsize=8192,wsize=8192,nosuid # chkconfig netfs on
# chown -R vpsee:vpsee /bak
Troubleshooting
# mount -t nfs4 172.16.20.1:/ /home/vpsee/bak/ mount.nfs4: Cannot allocate memory
# mount -t nfs 172.16.20.1:/ /home/vpsee/bak/ mount: mount to NFS server '172.16.20.1' failed: RPC Error: Program not registered. # mount -t nfs4 172.16.20.1:/ /home/vpsee/bak/