[[PageOutline]]

 * [http://itmst.blog71.fc2.com/blog-entry-89.html Electronic Genome - Ubuntu + NFSサーバでファイル共有]
   * 良くまとまっているので、このページのみでほぼ構成できた。
 * [http://masaoo.blogspot.com/2009/08/ubuntu-nfs.html まさおのブログ (表): Ubuntu で NFS サーバの設定をする]

 * [http://fragments.g.hatena.ne.jp/hogem/20080924/1222266324 nfsのmountオプション - うまい棒の断片 - 断片部]
 * [http://stackoverflow.com/questions/2680917/whats-sure-kill-when-talking-about-nfs-mount-option what's "sure kill" when talking about NFS mount option? - Stack Overflow]
 > I think it means kill -9, though please note that you are reading a quite old howto (as most other TLDP howtos, I think) from 2002 year, and regarding NFS mount options hard,intr are already default and
 >> The intr / nointr mount option is deprecated after kernel 2.6.25. Only SIGKILL can interrupt a pending NFS operation on these kernels, and if specified, this mount option is ignored to provide backwards compatibility with older kernels.

 * [http://archive.linux.or.jp/JF/JFdocs/NFS-HOWTO/performance.html NFS の性能を最適化する]

 * [http://www.asahi-net.or.jp/~aa4t-nngk/nfs.html Stray Penguin - Linux Memo (NFS)]
 * [http://www.asahi-net.or.jp/~aa4t-nngk/nfsv4.html Stray Penguin - Linux Memo (NFSv4)]

 * [http://wiki.debian.org/SecuringNFS SecuringNFS - Debian Wiki]

 * [http://serverfault.com/questions/83991/nfs-export-of-other-mounts-in-the-tree redhat - NFS export of other mounts in the tree - Server Fault]
  * 次のようなエラーが出る
{{{
request to export directory /var/samba/mnt below nearest filesystem /var/samba
}}}
  * nohide

 = NFSv4 =
 * [http://linux.die.net/man/5/exports exports(5): NFS server export table - Linux man page]
 > For NFSv4, there is a distinguished filesystem which is the root of all exported filesystem. This is specified with fsid=root or fsid=0 both of which mean exactly the same thing.
 * [http://www.asahi-net.or.jp/~aa4t-nngk/nfsv4.html Stray Penguin - Linux Memo (NFSv4)]

 = NFS with DHCP =
 * 結果として、静的割当を行わないと起動時のマウントには成功しなかった

 * Linux 4.4.5-1-ARCH
 * nfs-utils 1.3.3-3
 * nfs-server:~$ cat /etc/exports
{{{
/srv/nfs4 192.168.1.0/24(rw,sync,fsid=0,no_subtree_check,no_root_squash)
}}}
 * nfs-client:~$ cat /etc/fstab
{{{
nfs-server.local.mitty.jp:/ /srv/nfs4       nfs4    nosuid,noexec,_netdev,hard      0       0
}}}

 * mitty@nfs-client:~$ systemctl status srv-nfs4.mount
{{{
● srv-nfs4.mount - /srv/nfs4
   Loaded: loaded (/etc/fstab; bad; vendor preset: disabled)
   Active: failed (Result: exit-code) since Tue 2016-03-15 00:20:17 JST; 7min ago
    Where: /srv/nfs4
     What: nfs-server.local.mitty.jp:/
     Docs: man:fstab(5)
           man:systemd-fstab-generator(8)

Mar 15 00:20:17 nfs-client systemd[1]: Mounting /srv/nfs4...
Mar 15 00:20:17 nfs-client mount[229]: mount.nfs4: Failed to resolve server nfs-server.local.mitty.jp: Name or service not known
Mar 15 00:20:17 nfs-client systemd[1]: srv-nfs4.mount: Mount process exited, code=exited status=32
Mar 15 00:20:17 nfs-client systemd[1]: Failed to mount /srv/nfs4.
Mar 15 00:20:17 nfs-client systemd[1]: srv-nfs4.mount: Unit entered failed state.
}}}
 * [[Image(nfs-dhcp.png,33%)]]

 * 以下、効果が無かったもの
  * rpcbind.service, nfs-client.serviceの有効化
{{{
mitty@nfs-client:~$ sudo systemctl enable rpcbind.service
Created symlink from /etc/systemd/system/sockets.target.wants/rpcbind.socket to /usr/lib/systemd/system/rpcbind.socket.
mitty@nfs-client:~$ sudo systemctl enable nfs-client.target
Created symlink from /etc/systemd/system/multi-user.target.wants/nfs-client.target to /usr/lib/systemd/system/nfs-client.target.
Created symlink from /etc/systemd/system/remote-fs.target.wants/nfs-client.target to /usr/lib/systemd/system/nfs-client.target.
mitty@nfs-client:~$ sudo systemctl enable remote-fs.target
}}}
  * [http://baptiste-wicht.com/posts/2014/10/linux-tip-force-systemd-networkd-to-wait-for-dhcp.html Linux tip: Force systemd networkd to wait for DHCP | @Blog("Baptiste Wicht")]
{{{
mitty@nfs-client:~$ sudo vim /etc/systemd/system/multi-user.target.wants/remote-fs.target
Wants=network-online.target
After=remote-fs-pre.target network-online.target
mitty@nfs-client:~$ sudo systemctl enable systemd-networkd-wait-online.service
Created symlink from /etc/systemd/system/network-online.target.wants/systemd-networkd-wait-online.service to /usr/lib/systemd/system/systemd-networkd-wait-online.service.
}}}
{{{
Wants=dhcpcd.service
After=remote-fs-pre.target dhcpcd.service
}}}