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Path: utzoo!mnetor!seismo!mimsy!chris
From: chris@mimsy.UUCP (Chris Torek)
Newsgroups: comp.unix.wizards
Subject: Re: RFS - losing disk free space count
Message-ID: <4884@mimsy.UUCP>
Date: Mon, 29-Dec-86 16:20:19 EST
Article-I.D.: mimsy.4884
Posted: Mon Dec 29 16:20:19 1986
Date-Received: Tue, 30-Dec-86 21:03:23 EST
References: <4384@mit-eddie.MIT.EDU>
Organization: U of Maryland, Dept. of Computer Science, Coll. Pk., MD 20742
Lines: 14
Keywords: superblock free count
Summary: 102% full is normal in 4.[23]BSD

In article <4384@mit-eddie.MIT.EDU> shawn@mit-eddie.MIT.EDU (Shawn
>F. Mckay) writes:
>... I soon got messages saying I was out of space. In fact, doing
>a df show'd me being at 102%, 0 free. ... I ran fsck, and it said
>I had 616 free blocks. (Although df still says I have no space).

This is normal.  Read the document on the 4.2 fast file system.
By default, 10% of the free space on any file system is reserved
to the super user.  `df' hides this space, though not terribly
effectively: all one need do is add up the `used' and `avail' values
and note the discrepancy with `kbytes'.
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7690)
UUCP:	seismo!mimsy!chris	ARPA/CSNet:	chris@mimsy.umd.edu