(Joe wrote)
You don't. The ext2/3/4 file systems are designed to minimize fragmentation, ...
Not what I expected. But I like it!
Recently, I've been moving a lot of files and sub-directories around. And I'm preparing for a semi-annual big back-up and system upgrade (to F-29). Because it has been a few years since I last checked for fragmentation, I thought it would be good to at least check.
A few minutes ago, based on Ed's reply, I tried "e4defrag -c" on "/home": ----- e4defrag 1.44.2 (14-May-2018) <Fragmented files> now/best size/ext 1. [user1's home]/.ICEauthority 30/1 4 KB 2. [user1's home]/.local/share/tracker/tracker-miner-fs.log 12/1 4 KB 3. [user2's home]/.nv/GLCache/e0ac323390458da3db161114e73bf39c/89ca161336d63803/c6eb5423ccd49d57.toc 11/1 4 KB 4. [user2's home]/.local/share/tracker/tracker-miner-fs.log 29/1 4 KB 5. [user2's home]/.nv/GLCache/1518083e014283666145392811bca1e8/4c4d90067ea0e5dc/c6eb5423ccd49d57.toc 9/1 4 KB
Total/best extents 55461/52910 Average size per extent 131 KB Fragmentation score 1 [0-30 no problem: 31-55 a little bit fragmented: 56- needs defrag] This directory (/home) does not need defragmentation. Done. -bash.2[~]: ----- So it looks great.
The results above do raise a question in my mind: What are those "[user's home]/.local/share/tracker/tracker-miner-fs.log" files? Anything to do with coin or data mining, or something else malicious?
Thank-you, Joe and Ed. Bill.