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Filesystem free space and reserved allocation (was Re: Telnet to mail...)

On Thu, Oct 12, 2000 at 09:03:59PM +0200, Martin Bialasinski (martin@internet-treff.uni-koeln.de) wrote:

> Note that anything above 95% diskspace used is only available to root. 

This is not quite accurate.

The ext2fs default is to reserve some number of blocks -- 10% of total,
IIRC -- for root access only.  This reserved value is *not* reported by
df and other tools as available, it's reserved off the top.  You can
modify the value with, IIRC, tunefs.

If your FS reports 95% free, then 5% of the user-allocated space remains

Karsten M. Self <kmself@ix.netcom.com>     http://www.netcom.com/~kmself
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