Df -h does not tally Post: 303004098

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Top Forums UNIX for Beginners Questions & Answers Df -h does not tally Post 303004098 by desind on Tuesday 26th of September 2017 02:10:57 PM

09-26-2017

Registered User

Df -h does not tally

Hi,

My df -h numbers do not tally.

Code:

desind@abc123:~#> df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/xvda1       99G  6.9G   87G   8% /
tmpfs            16G     0   16G   0% /dev/shm
/dev/xvdi        50G   53M   47G   1% /home
/dev/xvdb       985G   72M  935G   1% /kafka/data/sda
/dev/xvdc       985G   19G  916G   3% /kafka/data/sdb
/dev/xvdd       985G   19G  916G   3% /kafka/data/sdc
/dev/xvde       985G   76G  859G   9% /kafka/data/sdd
/dev/xvdj        20G   44M   19G   1% /abv/monitoring
/dev/xvdf        69G  3.1G   63G   5% /cxt/sfw
/dev/xvdl       7.8G   19M  7.4G   1% /tmp
/dev/xvdg       9.8G  3.1G  6.2G  34% /var
/dev/xvdh        50G  205M   47G   1% /var/log
cm_processes     16G  168M   16G   2% /var/run/cloudera-scm-agent/process
/dev/xvdk        79G  214M   75G   1% /fgv/pep

I am concerned about the /kafka/data/* directories.

for example /kafka/data/sdd the used column is incorrect.

i did a du and the number still says 76G

Code:

desind@abc123:/kafka/data/sdd#> sudo du -sh
76G

If total size is 985G and used is 76G, then the available disk must be 909G

Is this a bug in redhat linux 6.7 ? can i check that is the exact usage ?

Last edited by desind; 09-26-2017 at 03:15 PM.. Reason: code tags

desind

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LEARN ABOUT REDHAT

fdformat

FDFORMAT(8)						     Linux Programmer's Manual						       FDFORMAT(8)

NAME

       fdformat - Low-level formats a floppy disk

SYNOPSIS

       fdformat [ -n ] device

DESCRIPTION

       fdformat  does  a  low  level  format on a floppy disk.	device is usually one of the following (for floppy devices, the major = 2, and the
       minor is shown for informational purposes only):

	      /dev/fd0d360  (minor = 4)
	      /dev/fd0h1200 (minor = 8)
	      /dev/fd0D360  (minor = 12)
	      /dev/fd0H360  (minor = 12)
	      /dev/fd0D720  (minor = 16)
	      /dev/fd0H720  (minor = 16)
	      /dev/fd0h360  (minor = 20)
	      /dev/fd0h720  (minor = 24)
	      /dev/fd0H1440 (minor = 28)

	      /dev/fd1d360  (minor = 5)
	      /dev/fd1h1200 (minor = 9)
	      /dev/fd1D360  (minor = 13)
	      /dev/fd1H360  (minor = 13)
	      /dev/fd1D720  (minor = 17)
	      /dev/fd1H720  (minor = 17)
	      /dev/fd1h360  (minor = 21)
	      /dev/fd1h720  (minor = 25)
	      /dev/fd1H1440 (minor = 29)

       The generic floppy devices, /dev/fd0 and /dev/fd1, will fail to work with fdformat when a non-standard format is being used, or if the for-
       mat has not been autodetected earlier.  In this case, use setfdprm(8) to load the disk parameters.

OPTIONS

       -n     No verify.  This option will disable the verification that is performed after the format.

SEE ALSO

       fd(4), setfdprm(8), mkfs(8), emkfs(8)

AUTHOR

       Werner Almesberger (almesber@nessie.cs.id.ethz.ch)

Linux 0.99							  1 February 1993						       FDFORMAT(8)