On 12/31/2011 08:39:00 PM, Ed Greshko wrote:
> On 01/01/2012 08:16 AM, Geoffrey Leach wrote:
> > Fedora 16 on both server and client.
> >
> > /etc/exports
> >
> > /nfs4exports 192.168.0.0/24
> > (ro,sync,insecure,root_squash,no_subtree_check,fsid=0)
> > /nfs4exports/tmp 192.168.0.0/24
> > (rw,nohide,sync,insecure,root_squash,no_subtree_check)
> >
> > ll -d /nfs4exports /nfs4exports/*
> > drwxrwxrwt 5 root root 4.0K Dec 31 15:34 /nfs4export
> > ll -d /nfs4exports /nfs4exports/*
> > drwxrwxrwt. 30 root root 4.0K Dec 31 16:06 /nfs4exports/tmp
> >
> > client --
> > sysctl -w sunrpc.nfs_debug=1023
> > root@pvr[60]->mount -t nfs4 mtranch:/tmp /tmpm
> > mount.nfs4: access denied by server while mounting mtranch:/tmp
> > root@pvr[61]->dmesg|tail
> > [ 4840.385627] encode_compound: tag=
> > [ 4840.386755] nfs4_get_rootfh: getroot error = 13
> > [ 4840.386757] <-- nfs4_get_rootfh() = -13
> > [ 4840.386759] --> nfs_free_server()
> > [ 4840.387247] --> nfs_put_client({1})
> > [ 4840.387249] --> nfs_free_client(4)
> > [ 4840.387327] <-- nfs_free_client()
> > [ 4840.387337] <-- nfs_free_server()
> > [ 4840.387338] <-- nfs4_create_server() = error -13
> > [ 4840.387341] <-- nfs4_mount() = -13 [error]
> >
> > The error is generated by /* getroot.c: get the root dentry for an
> NFS
> > mount ...
> > /* Start by getting the root filehandle from the server */
> > ret = server->nfs_client->rpc_ops->getroot(server, mntfh,
> > &fsinfo);
> > if (ret < 0) {
> > dprintk("nfs4_get_rootfh: getroot error = %d\n",
> -ret);
> > goto out;
> > }
> >
> > So, what the .... is the root filehandle in this context and how do
> I
> > define it?
>
> Hummm..... I tried to reproduce the problem you are seeing. I have
> 2
> F16 VMs at the same update level with no testing or update repos
> defined.
>
> On the server...
>
> [root@f16-1 ~]# cat /etc/exports
> /nfs4exports
> 192.168.0.0/24(ro,sync,insecure,root_squash,no_subtree_check,fsid=0)
> /nfs4exports/f16tmp
> 192.168.0.0/24(rw,nohide,sync,insecure,root_squash,no_subtree_check)
>
> [root@f16-1 ~]# ll -d /nfs4exports /nfs4exports/*
> drwxrwxrwt. 3 root root 4096 Jan 1 11:01 /nfs4exports
> drwxrwxrwt. 42 root root 4096 Jan 1 12:19 /nfs4exports/f16tmp
>
> [root@f16-1 ~]# exportfs
> /nfs4exports 192.168.0.0/24
> /nfs4exports/f16tmp
> 192.168.0.0/24
>
> [root@f16-1 etc]# cat fstab
>
> #
> # /etc/fstab
> # Created by anaconda on Tue Dec 20 07:19:46 2011
> #
> # Accessible filesystems, by reference, are maintained under
> '/dev/disk'
> # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for
> more
> info
> #
> /dev/mapper/vg_f161-lv_root / ext4
> defaults 1 1
> UUID=453bfedb-9c5f-4639-8283-f0cb31228fdb /boot
> ext4 defaults 1 2
> /dev/mapper/vg_f161-lv_swap swap swap
> defaults 0 0
> #NFS Exports
> /tmp /nfs4exports/f16tmp none rw,bind 0 0
>
>
> On the client.....
>
> [root@f16-2 ~]# sysctl -w sunrpc.nfs_debug=1023
> sunrpc.nfs_debug = 1023
> [root@f16-2 ~]# mount -t nfs4 192.168.0.190:/f16tmp /f16tmp
> [root@f16-2 ~]#
>
> [root@f16-2 ~]# df
> Filesystem 1K-blocks Used Available Use% Mounted
> on
> rootfs 18093948 7181720 9993088 42% /
> devtmpfs 504268 0 504268 0% /dev
> tmpfs 513012 140 512872 1% /dev/shm
> tmpfs 513012 42808 470204 9% /run
> /dev/mapper/vg_f161-lv_root 18093948 7181720 9993088 42% /
> tmpfs 513012 42808 470204 9% /run
> tmpfs 513012 0 513012 0%
> /sys/fs/cgroup
> tmpfs 513012 0 513012 0% /media
> /dev/sda2 495844 60208 410036 13% /boot
> 192.168.0.190:/f16tmp/ 18093952 7181568 9993216 42% /f16tmp
>
> FWIW, could you try using the IP in the mount instead of the
> hostname?
>
Good idea, but, alas no joy. Could you post the output of dmesg|tail
after the mount?
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