linux disc space

Jeff Schwab jeff at
Sat Feb 16 00:45:17 CET 2008

Steve Holden wrote:
> Jeff Schwab wrote:
>> I'm not sure how superuser-only space would be reserved in the first 
>> place.  I don't see anything relevant in the fdisk man page.
> The UFS and ext2 filesystem space allocation routines become very 
> inefficient when free space gets too low, so for regular uses the 
> filesystem is considered full before that threshold is reached. You can 
> adjust the threshold setting (amon others) with tunefs.

Live and learn.  I've been using primarily reiserfs for a while now, 
which may be why my free blocks always == available blocks.

> Root uid processes can continue to use disk space after that point so 
> that various daemon processes don't stop, and so that recovery actions 
> can be taken.

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