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Automount

Updated Mar 27, 2021 ·

Tasks​

Here we'll have two servers:

  • tstsvr - nfs server
  • tstclient - nfs-client

To-dos:

  1. On your server 1, set hostname to tstsvr. Set server 2 to tstclient
  2. Configure tstsvr to offer RW access to 2 NFS shares:
    • /home/ldap/
    • /data
  3. Ensure /home/ldap contains a subddirectory for LDAP users
  4. LDAP user home directories should be available on th NFS share.
  5. Configure automount to automatically mount user's home directories.
  6. Configure NFS client to automatically mount the share:
    • tstsvr:/data

Solution​

Server 1: NFS Server​

  1. Set Hostname

    hostnamectl set-hostname tstsvr

  2. Configure NFS Shares

    Edit /etc/exports to define the NFS shares:

    /home/ldap *(rw,sync,no_root_squash)
    /data *(rw,sync,no_root_squash)

    Ensure to run exportfs -a after editing to apply changes.

  3. Prepare /home/ldap Create a subdirectory for LDAP users:

    mkdir /home/ldap/ldap_users

  4. LDAP User Home Directories on NFS Ensure LDAP user home directories are mounted from NFS. This typically involves configuring LDAP to use NFS for home directories (/home/ldap/ldap_users).

  5. Configure Automount

    Install autofs if not already installed:

    sudo yum install autofs

    Edit /etc/auto.master to include:

    /home/ldap /etc/auto.ldap

    Create /etc/auto.ldap with content:

    * -rw,sync tstsvr:/home/ldap/&

    Restart autofs:

    sudo systemctl restart autofs

Server 2: NFS Client​

  1. Configure NFS Client on tstclient

    Set the hostname for tstclient:

    hostnamectl set-hostname tstclient

    Edit /etc/fstab on tstclient to automatically mount /data from tstsvr:

    tstsvr:/data /mnt/data nfs defaults 0 0

    Mount the NFS share:

    mount /mnt/data

Notes​

  • Ensure NFS server (rpcbind, nfs-server) and client (rpcbind, nfs-utils) packages are installed and running on both servers.
  • Replace tstsvr and tstclient with actual IP addresses if DNS resolution is not available.
  • Adjust NFS export options (rw, sync, no_root_squash, etc.) according to your security requirements.