NFS client

nfs-utils Updated mount.nfs command - allows mounting nfs4 volumes

kmod-fs-nfs Kernel module for NFS support

kmod-fs-nfs-common Common NFS filesystem modules

For NFSv4 server → install kmod-fs-nfs-v4 For NFSv3 server → install kmod-fs-nfs-v3

opkg update
opkg install nfs-utils kmod-fs-nfs kmod-fs-nfs-v4 kmod-fs-nfs-v3

WARNING: The librpc is missing in some versions. You can safely use -force-depends if it happens to you Note that to use mount -t cifs, NFS mount support in busybox has to be enabled.

mkdir /mnt/remote2
mount.nfs // /mnt/remote2 [-rvVwfnh ] [-t version] [-o options]
mount -t nfs /mnt/point -o nolock
# To connect using NFSv4
mount -t nfs4 /mnt/point -o nolock
# For Fedora 17+ servers, which are nfs4 out of the box...
mount -t nfs src -o nfsvers=3 -o nolock

The nolock will disable NFS file locking. If you really need file locking, you must install the portmap package and start the portmap daemon before trying to mount an exported filesystem without the nolock option.

In some revisions mounting is not possible because default disabled in kernel: BUSYBOX_CONFIG_FEATURE_MOUNT_NFS [=n]

Read manpage of mount.nfs

Put it in /etc/fstab.

Append -v to your mount command to see detailed debugging info... i.e.;

mount -t nfs /mnt/point -o nolock  -v

Since netfilter will track every connection, if you use MASQUERADING for example, you could disable con-tracking for data connections:

$IPT -t raw -A PREROUTING -i $IF_LAN -s $NET_LAN -p tcp --sport 32777:32780 -j CT --notrack #---------- don't track nfs
$IPT -t raw -A PREROUTING -i $IF_LAN -s $NET_LAN -p udp --sport 32777:32780 -j CT --notrack #---------- don't track nfs
$IPT -t raw -A OUTPUT -o $IF_LAN -d $NET_LAN -p tcp --dport 32777:32780 -j CT --notrack #---------- don't track nfs
$IPT -t raw -A OUTPUT -o $IF_LAN -d $NET_LAN -p udp --dport 32777:32780 -j CT --notrack #---------- don't track nfs

Note this is not the same as for the server, the source and destination ports differ. The INPUT is for when you read from the remote filesystem and the OUTPUT for when you write to it.

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  • Last modified: 2020/10/27 20:13
  • by bobafetthotmail