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Basically, the output of df -h for my /var differs from an ncdu -x /var and I can't figure out why. Seems to be a 146 meg discrepancy which I can't explain.
$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda6 7.6G 351M 6.9G 5% /var
ncdu -x /var
--- /var ------------------------------------------------------------------------------------------------
122.9MB /log
76.8MB /lib
5.3MB /cache
160.0kB /run
80.0kB /spool
e 16.0kB /lost+found
12.0kB /tmp
4.0kB /games
e 4.0kB /local
e 4.0kB /lock
e 4.0kB /mail
e 4.0kB /opt
Total disk usage: 205.3MB Apparent size: 166.1MB Items: 16564
Last edited by graysky (2009-08-13 00:01:22)
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Internal filesystem stuff takes space.
What filesystem do you use?
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It's ext4.. 146 megs of metadata?? Come to think of it. Gparted showed 146 megs used right after I formatted it. I thought it was an error and ran fsck on it but got a report of no errors so it must be real. I just can't explain it!
Last edited by graysky (2009-08-13 00:11:15)
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Yeah, I presume it's journal.
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Wow. 146 of metadata for a freshly formatted [empty] partition seems odd to me...
CPU-optimized Linux-ck packages @ Repo-ck • AUR packages • Zsh and other configs
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I guess it's not odd, it's like lucke says, it is filesystem related, file allocation tables, journal and whatnot take space
As far as I know all filesystems do this, some more than others but all do this.
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