[NTLUG:Discuss] ext3 waste disk spaces then Windows ME?

Chris Cox cjcox at acm.org
Tue Apr 25 16:01:26 CDT 2006


Pat Regan wrote:
> m m wrote:
>> All:
>>
>> I just found this:
>>
>> " ... Ext3 has the worst inital capacity (92.77%), while others FS preserve 
>> almost full partition capacity (ReiserFS = 99.83%, JFS = 99.82%, XFS = 
>> 99.95%). Interestingly, the residual capacity of Ext3 and ReiserFS was 
>> identical to the initial, while JFS and XFS lost about 0.02% of their 
>> partition capacity, suggesting that these FS can dynamically grow but do not 
>> completely return to their inital state (and size) after file removal."
>>
>> from
>>
>> http://www.tuxmachines.org/node/6396
>>
>> According to the article abovem it seems that the XFS is "better" than ext3.
>> ext3 must be good at some points, otherwise why the most distro use it?
>> Anyone have the idea?
>>
> 
> Somebody needs to tell the author of that article about the fact that
> mke2fs reserves 5% of the filesystem for root by default.  That would
> bring your number for ext2 up to almost 98%.
> 
> 5% was a very reasonable amount of space to set aside 10+ year ago.
> Today, it can be a huge waste of space.

That's a very good point.  I know they talked about lowering
the minspace default, but they never did.  It's still 5% by default
(ick).

Use -m 1 or -m 0 nowadays.



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