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Feature #255

Bind or Remount Part Of File Hierarchy At Another Directory

Added by Daniel Curtis over 10 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Daniel Curtis
Category:
-
Target version:
-
Start date:
12/03/2013
Due date:
% Done:

100%

Estimated time:
0.50 h
Spent time:
0.50 h

Description

If you are using Linux kernel v2.4.0+, you can remount part of the file hierarchy somewhere else using the following mount command syntax. This is useful for NFS servers in /exports. You must type the following commands as the root user. The syntax is:

mount --bind /path/to/olddir /path/to/newdir
mount -B olddir newdir

The syntax for /etc/fstab entry is:

/olddir /newdir none bind

In this example, mount /home/multimedia/mp3 and /home/multimedia/videos as follows:

mkdir -p /exports/{music,videos}
mount --bind /home/multimedia/mp3 /exports/music
mount --bind /home/multimedia/videos /exports/videos

Verify new settings:

mount
df -a
mount | egrep -i --color 'music|videos'

Update /etc/fstab file as follows:

vi /etc/fstab

Append the following:

/home/multimedia/mp3 /exports/music none bind
/home/multimedia/videos /exports/videos

Save and close the file.

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