Defragment ext4

diskDoes the ext4 filesystem need defragmentation? The answer, in short, is yes. The ext4 filesystem is robust and gets fragmented in a few scenarios (like pidgin chat logs or browser cache) or on prolonged usage (but much less than FAT or NTFS). ext4 comes with its own defrag tool – e4defrag which is present in some distros including Ubuntu.

  • To check for fragmentation:
    sudo e4defrag -c /
  • To defragment:
    sudo e4defrag /

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