nfs mount permission denied的可能原因及解决
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nfs mount permission denied的可能原因及解决
当nfs客户端增加到十台时,clinet报错
mount: 10.168.1.162:/data/iscsi/webapp failed, reason given by server: Permission denied
server:
Jun 24 10:13:17 svr162 mountd[15431]: authenticated mount request from 10.168.1.176:1020 for /data/iscsi/webapp (/data/iscsi/webapp)
升级nfs server:
yum update nfs-utils portmap
排除iptables防火墙、hosts.deny限制等原因,子网内所有服务器都有权限mount,
showmount -e 10.168.1.162
/data/iscsi/webapp 10.168.1.0/24
考虑是否超出了nfs服务器支持的客户端数量上限。查资料nfs属于无状态服务,没有数量限制。试过多种方法,终于解决,只要mount
nfsd on /proc/fs/nfsd type nfsd (rw)
you can solve the problem adding the following lines in /etc/fstab on the server side:
nfsd /proc/fs/nfsd nfsd auto,defaults 0 0
sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs auto,defaults 0 0
Then type on the server
mount -a
And try to mount de resource in the client
http://www.linuxforums.org/forum/linux-networking/44779-nfs-permission-denied-error.html
Tags: linux, nfs
127.0.0.1 localhost localhost.localdomain
XXXXXXXXX(ip) node1.cluster
XXXXXXXXX(ip) server.cluster
在配置NFS时,共享 /home 和/mirror文件夹
server.cluster端的配置:
1.启动portmap
[root @server root]# /etc/rc.d/init.d/portmap start
[root @server root]# chkconfig --level 35 portmap on
2. 设定 NFS 分享出去:
[root @server root]# vi /etc/exports
/home server.cluster(rw,async,no_root_squash) node1.cluster(rw,async,no_root_squash)
/mirror server.cluster(rw,async,no_root_squash) node1.cluster(rw,async,no_root_squash)
[root @server root]# exportfs -rv
[root @server root]# /etc/rc.d/init.d/nfs start
[root @server root]# chkconfig --level 35 nfs on
3. 设定挂载点:
[root @server root]# mkdir -p /mirror/node1
[root @server root]# mkdir -p /mirror/server
node1.cluster
1. 启动portmap :
[root @node1 root]# /etc/rc.d/init.d/portmap start
[root @node1 root]# chkconfig --level 35 portmap on
2. 设定 NFS 分享出去:
[root @node1 root]# vi /etc/exports
/home server.cluster(rw,async,no_root_squash) node1.cluster(rw,async,no_root_squash)
/mirror server.cluster(rw,async,no_root_squash) node1.cluster(rw,async,no_root_squash)
[root @node1 root]# exportfs -rv
[root @node1 root]# /etc/rc.d/init.d/nfs start
这一步发生了这个状况:
Starting NFS services: [ OK ]
Starting NFS quotas: [ OK ]
Starting NFS daemon: [FAILED]
下一步在server端挂载文件夹:
[root @server root]# mount -t nfs -o bg,intr server.cluster:/mirror /cluster/server
[root @server root]# mount -t nfs -o bg,intr node1.cluster:/mirror /cluster/node1
一切正常。
在node1端挂载文件夹:
[root @node1 root]# mount -t nfs server.cluster:/home /home
这段出了问题:mount: mount to NFS server 'server.cluster' failed: System Error: No route to host.
以下两段正常:
[root @node1 root]# mount -t nfs -o bg,intr server.cluster:/mirror /cluster/server
[root @node1 root]# mount -t nfs -o bg,intr node1.cluster:/mirror /cluster/node1
/home 文件夹挂载不上,怀疑是上一步starting NFS deamon failed 有关,有没有高人给指点一下
- snowhiller
- (雪山老妖)
- 等 级:
server.cluster端启动的服务
[root@server ~]# rpcinfo -p `hostname`
program vers proto port
100000 2 tcp 111 portmapper
100000 2 udp 111 portmapper
100024 1 udp 847 status
100024 1 tcp 850 status
100011 1 udp 741 rquotad
100011 2 udp 741 rquotad
100011 1 tcp 744 rquotad
100011 2 tcp 744 rquotad
100003 2 udp 2049 nfs
100003 3 udp 2049 nfs
100003 4 udp 2049 nfs
100003 2 tcp 2049 nfs
100003 3 tcp 2049 nfs
100003 4 tcp 2049 nfs
100021 1 udp 32768 nlockmgr
100021 3 udp 32768 nlockmgr
100021 4 udp 32768 nlockmgr
100021 1 tcp 47124 nlockmgr
100021 3 tcp 47124 nlockmgr
100021 4 tcp 47124 nlockmgr
100005 1 udp 804 mountd
100005 1 tcp 807 mountd
100005 2 udp 804 mountd
100005 2 tcp 807 mountd
100005 3 udp 804 mountd
100005 3 tcp 807 mountd
node1.cluster端启动的服务:
rpcinfo -p `hostname`
program vers proto port
100000 2 tcp 111 portmapper
100000 2 udp 111 portmapper
100021 1 udp 32768 nlockmgr
100021 3 udp 32768 nlockmgr
100021 4 udp 32768 nlockmgr
100021 1 tcp 47828 nlockmgr
100021 3 tcp 47828 nlockmgr
100021 4 tcp 47828 nlockmgr
100003 2 udp 2049 nfs
100003 3 udp 2049 nfs
100003 4 udp 2049 nfs
100003 2 tcp 2049 nfs
100003 3 tcp 2049 nfs
100003 4 tcp 2049 nfs
100005 1 udp 665 mountd
100005 1 tcp 668 mountd
100005 2 udp 665 mountd
100005 2 tcp 668 mountd
100005 3 udp 665 mountd
100005 3 tcp 668 mountd
100011 1 udp 705 rquotad
100011 2 udp 705 rquotad
100011 1 tcp 708 rquotad
100011 2 tcp 708 rquotad
- maple8282
- 等 级:
- snowhiller
- (雪山老妖)
- 等 级:
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