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updatedb scans nfs directories mounted via autofs

This document (7003163) is provided subject to the disclaimer at the end of this document.


SUSE Linux Enterprise Server 11


On installing findutils-locate an additional daily cron job will be added to the cron system. This
job will run updatedb, and update the files database every night or shortly after switching on the computer.

Beginning with autofs version 5, updatedb scans files below automounted nfs directories.
On systems with lots of nfs directories it creates a lot of network traffic and slows down

The reason for this is that autofs does not write to /etc/mtab anymore.

This is documented in the autofs documentation on SUSE Linux Enterprise Server 11,

 - `autofs' filesystem mounts only appear in /proc/mounts and not
  /etc/mtab. If you have a large number of entries in a direct mount
  map and link /etc/mtab to /proc/mounts you may see performance

Since the automounted directories are missing in the list of mounted directories,
the type of the mounted filesystem is not discovered and updatedb treats them as local.


In /etc/sysconfig/autofs, change the option DEFAULT_BROWSE_MODE to "no".
It disables that maps are browsable and excludes paths mounted via automount.

Restart autofs: /etc/init.d/autofs restart.


This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:7003163
  • Creation Date: 29-Apr-2009
  • Modified Date:03-Mar-2020
    • SUSE Linux Enterprise Server

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