[NBLUG/talk] disk space quirk?

[Steve Johnson]

>From what I remember, linux (and most unix's i believe) will report 100%
full when the drive is really 95% full, this is to give you spare room to
take care of cleaning out space..    I know there is a better way to explain
this =) Just not sure how..  I believe this is so that things wont break,
yet if you monitor your disk space you will get notified when the disk is
full, yet things like logging will continue to work.


But by design the disk will report its self full at 95%, so yeah, this is
probably correct. 

Here's the math..

27545968 * .95 = 26168669.6  Thats pretty close to the number you got there.

-Steve

P.S.  I'm sure someone can explain this better then I can =)


On Wed, Jul 28, 2004 at 04:26:14PM -0700, Bob Blick wrote:
> Here's something that doesn't add up. Perhaps there's something I'm not
> seeing, but it seems like df is reporting something incorrectly for
> /dev/hda3:
> 
> Filesystem           1K-blocks      Used Available Use% Mounted on
> /dev/hda1              1887540   1648968    238572  88% /
> /dev/hda3             27545968  26053464     93244 100% /home
> shmfs                   127980         0    127980   0% /dev/shm
> 
> Both partitions are reiserfs, du reports 26053464 used on /dev/hda3.
> 
> Do I really have only 93 meg free when I should have 1.4 gig? fsck at boot
> doesn't complain about anything being wrong.
> 
> Thanks,
> 
> Bob
> 
> 
> 
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