实例:
nfs服务器:172.16.100.1
客户端:172.16.100.3
1.创建挂载点并在客户端上挂载:
S#vim /etc/exports
/data 172.16.100.3/16(rw)
/read 172.16.100.3/16(ro)
C#mount -t nfs 172.16.100.1:/data /sqld/mdata
C#showmount -a 172.16.100.1
C#showmount -e 172.16.100.1
C#showmount -d 172.16.100.1
2.不重启服务重新导出
S#S#vim /etc/exports
/data 172.16.100.3/16(rw)
#/read 172.16.100.3/16(ro)
S#exprotnfs -rav 重新导出
C#showmount -e 172.16.100.1
3.限定导出属性
nfs的权限认证是基于账号的uid和gid的。
S#id hadoop
uid=502 gid=502
S#setfacl -m u:hadoop:rwx /read
S#su -hadoop
S$cd /data
S$touch a.hadoop
C#groupadd -g 502 openstack
C#useradd -u 502 -g 502 openstack
S#exportfs -ra
C#mount -t nfs 172.16.100.1:/data /sqld/mdata
C#ll /sqld/mdata
a.hadoop openstack openstack
C#su - openstackl
C$cd /sqld/mdata
C$touch b.openstack
S#ll /read
此时会发现b.openstack的属主属组为hadoop。
S#useradd -u 510 nfstest
S#cd /data
S#touch c.nfstest
S#chown nfstest:nfstest c.nfstest
S#vim /etc/exprots
/data 172.16.100.3/16(rw,all_squash,anonuid=510,nanogid=510) 限定导出属性
#/read 172.16.100.3/16(ro)
S#exportfs -rav
C#umount /sqld/mdata
C#mount -t nfs 172.16.100.1:/data /sqld/mdata
C#ll /sqld/mdata
4.客户端开机挂载:
C#vim /etc/fstab
172.16.100.1:/data /sqld/mdata nfs defaults,_netdev 0 0
5.服务器进程使用固定端口:
S#vim /etc/sysconfig/nfs
MOUNTD_PORT=892
RQUOTAD_PROT=875
LOCKD_TCPPORT=32083
LOCKD_UDPPORT=32769
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