Disc Free (df) weirdness (FC2)

[Mike McCarty]

Peter Arremann wrote:
> On Thursday 06 October 2005 21:29, Mike McCarty wrote:
> 
>>Peter Arremann wrote:
>>
>>>On Thursday 06 October 2005 21:10, Mike McCarty wrote:
>>>
>>>>At 93%, it must have been about 7098935 blocks used. How did a
>>>>reboot free up 1017187 blocks?
>>>
>>>When deleting a file that is currently being used by a program, the disk
>>>blocks are actually not freed up until the last process that has a closed
>>>the file. Most likely one of the files you deleted was still being used.
>>
>>I forgot to mention... I had NO programs running except for an xterm
>>with a shell in it, su to root. I had closed all window, and opened
>>only the one. I do use GNOME with X Window to manage the windows,
>>however. (I suppose it might have been a gnome-terminal.)
> 
> Just because you don't run them, doesn't mean that you don't have a bunch of 
> programs running. just do a ps -ef and you'll see how much there is - even on 
> an idle system you often have a few dozen processes. 

Yes, I am aware. But what process would have consumed about 1G, and then
deleted it, while *another* process had it also opened?

> Very often people try removing /var/log/messages and are surprised they don't 
> get disk space back until a reboot because they forgot to restart syslogd. 

I guess I'm not making myself clear, somehow.

Mike
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