From: Dave Reisner <d@falconindy.com>
To: Bruce Dubbs <bruce.dubbs@gmail.com>
Cc: util-linux-ng@vger.kernel.org
Subject: Re: findmnt/df discrepancy
Date: Wed, 12 Feb 2014 10:38:06 -0500 [thread overview]
Message-ID: <20140212153806.GB583@rampage> (raw)
In-Reply-To: <52FB9355.3090702@gmail.com>
On Wed, Feb 12, 2014 at 09:29:25AM -0600, Bruce Dubbs wrote:
> I've noticed a discrepancy in percent free between findmnt and df:
>
> $ df -h|grep /tmp
> /dev/sdb5 9.8G 8.3G 967M 90% /tmp
> $ findmnt --df|grep /tmp
> /dev/sdb5 ext4 9.7G 8.3G 967M 85% /tmp
>
> Actually, the discrepancy seems to be df as 8.3/9.8 is 84.7%.
> Can anyone here explain the difference? Should it be submitted to
> coreutils as a bug?
It's the reserved space on the filesystem. On an ext4 FS where the
reserved space is 0%, df and findmnt (mostly) agree:
$ df -h | grep Gluttony
/dev/sdb2 1.8T 701G 1.1T 39% /mnt/Gluttony
$ findmnt --df | grep Gluttony
/dev/sdb2 ext4 1.8T 700.1G 1.1T 39% /mnt/Gluttony
next prev parent reply other threads:[~2014-02-12 15:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-12 15:29 findmnt/df discrepancy Bruce Dubbs
2014-02-12 15:38 ` Dave Reisner [this message]
2014-02-15 4:02 ` Phillip Susi
2014-02-21 12:09 ` Karel Zak
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