• ​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。
• ​まさおのブログ (表): Ubuntu で NFS サーバの設定をする

• ​nfsのmountオプション - うまい棒の断片 - 断片部
• ​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.

• ​NFS の性能を最適化する

• ​Stray Penguin - Linux Memo (NFS)
• ​Stray Penguin - Linux Memo (NFSv4)

• ​SecuringNFS - Debian Wiki

• ​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

• ​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.

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

• 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.
  

• 

• 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
    

  • ​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