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<H1>[Mageia-dev] df lying?</H1>
<B>Felix Miata</B>
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TITLE="[Mageia-dev] df lying?">mrmazda at earthlink.net
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<I>Mon Jan 7 18:54:25 CET 2013</I>
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<PRE>On 2013-01-07 15:15 (GMT+0200) Anssi Hannula composed:
><i> Felix Miata composed:
</I>
>><i> What is upstream for df command? In openSUSE 12.2, Cauldron & F18 on the
</I>>><i> same 64 bit system, df on the only partition on my 1TB data HD is
</I>>><i> obviously lying as to usage and free on a nearly full EXT2 partition:
</I>
>><i> # df # before copy Filesystem 1K-blocks Used Available Use%
</I>>><i> Mounted on /dev/sdb1 968990412 942397904 26592508 98%
</I>>><i> /disks/esata
</I>
>><i> -rw-rw-r-- 1 5548561312 Jan 6 14:59 monk0714IonE-201301061400s2.ts
</I>>><i> -rw-rw-r-- 1 5548200540 Jan 6 15:59 monk0715IonE-201301061500s2.ts
</I>>><i> -rw-rw-r-- 1 5548657192 Jan 6 16:59 monk0716IonE-201301061600s2.ts
</I>>><i> -rw-rw-r-- 1 5547676772 Jan 6 17:59 monk0801IonE-201301061700s2.ts
</I>>><i> -rw-rw-r-- 1 5546660256 Jan 6 18:59 monk0802IonE-201301061800s2.ts
</I>>><i> -rw-rw-r-- 1 5547738436 Jan 6 19:59 monk0803IonE-201301061900s2.ts
</I>>><i> -rw-rw-r-- 1 5548427644 Jan 6 20:59 monk0804IonE-201301062000s2.ts
</I>
>><i> # df # after copying above 37,925,705K bytes in 7 files to # #
</I>>><i> /disks/esata from another system on the network Filesystem 1K-blocks
</I>>><i> Used Available Use% Mounted on /dev/sdb1 968990412 942397904
</I>>><i> 26592508 98% /disks/esata
</I>
>><i> Unless this is a bug in df, how is this lack of info possible given the
</I>>><i> following filesystem info (e.g., no reserved blocks, and no journal)
</I>>><i> about the partition?
</I>
>><i> tune2fs 1.42.5 (29-Jul-2012) Filesystem volume name: full1TazboxWD
</I>>><i> Last mounted on: /disks/esata
</I>><i> [...]
</I>>><i> Free blocks: 6648127
</I>
><i> This seems to be in line with the above "df" output.
</I>
><i> What is the result of "du -sk /disks/esata"? It should be approximately
</I>><i> same as the number of used 1K-blocks in "df" output (968990412).
</I>
$ df /disks/esata
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sdb1 969063752 942471244 26592508 98% /disks/esata
$ du -sk /disks/esata
942397900 /disks/esata
difference in free count: 73344
Repeating after umounting, fsck.ext2 -f /dev/sdb1 then remounting changed
nothing.
fsck output included:
528/61054976 files
237541825/244189952 blocks (237541825 * 4 = 950167300; 244189952 * 4 = 976759808)
What could be the reason for the differences, all overhang? 0 overhang?
Something else?
Do total space in df & du output exclude inode blocks?
--
"The wise are known for their understanding, and pleasant
words are persuasive." Proverbs 16:21 (New Living Translation)
Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!
Felix Miata *** <A HREF="http://fm.no-ip.com/">http://fm.no-ip.com/</A>
</PRE>
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