[mythtv-users] Myth reports incorrect disk space usage?

Tim Tait t.tait at comcast.net
Thu Jul 15 17:26:49 EDT 2004


Jarod Wilson wrote:

>On Thursday 15 July 2004 12:18, pete stagman wrote:
>  
>
>>On Thu, 2004-07-15 at 14:14, Jarod Wilson wrote:
>>    
>>
>>>On Thursday 15 July 2004 10:53, Jason Keirstead wrote:
>>>      
>>>
>>>>On July 15, 2004 02:42 pm, Henk Poley wrote:
>>>>        
>>>>
>>>>>Be enlightened:
>>>>>http://sysunconfig.net/aixtips/df_du_diff_out.txt
>>>>>
>>>>>du adds all filesizes together, and substracts that from the total
>>>>>diskspace. df lists the free space.
>>>>>          
>>>>>
>>>>I know how du and df work, thanks.
>>>>
>>>>But these discepancies, especially on a small number of files, are not
>>>>going to add up to 9 GB unless the poster is using a filesystem size of
>>>>hundreds and hundreds of gigabytes, which is highly doubtful.
>>>>        
>>>>
>>>A typical ext3 format (at least on Red Hat) reserves 5% of all space for
>>>the root user. 9GB is roughly 5% of a 200GB drive. That's not hundreds
>>>and hundreds of gigabytes.
>>>      
>>>
>>Ummmmm, sorry Jarod but 200GB IS hundreds of Gigabytes  :)
>>    
>>
>
>Like Michael said, yes, 200 is hundreds, or even hundred and hundred, but it 
>is *not* hundreds and hundreds. :-p
>
>But I believe I now understand what Jason was trying to say (that it could 
>only be attributed to massive minimum block sizes on a multi-terabyte 
>volume). However, we now have the answer from Tim Tait.
>
I really can't take credit for the answer, that I think goes to Henk 
Poley. I only helped define the problem.

Tim




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