Date: Tue, 11 Aug 2009 09:30:50 +0100 From: chris scott <kraduk@googlemail.com> To: mojo fms <fbsdlilly@gmail.com> Cc: freebsd-questions@freebsd.org, Naeem Afzal <nafzal@hotmail.com> Subject: Re: filesystem size after newfs Message-ID: <d36406630908110130u34e9d3a5ne6763c2f3ba7c9cb@mail.gmail.com> In-Reply-To: <f151ba00908101913o58de0catf912233ff6397bc0@mail.gmail.com> References: <COL111-W45F597BC11398A6DA2CB42D1060@phx.gbl> <f151ba00908101913o58de0catf912233ff6397bc0@mail.gmail.com>
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2009/8/11 mojo fms <fbsdlilly@gmail.com> > On Mon, Aug 10, 2009 at 3:55 PM, Naeem Afzal <nafzal@hotmail.com> wrote: > > > > > I created this small partition of 512K bytes on disk, I am noticing > > about 24% is used up before system can be mounted and used. My assumpti= on > > was about 4% is supposed to be used if minfree is set to 0. > > > > #newfs -U -l -m 0 -n -o space /dev/ad1d > > /dev/ad1d: 0.5MB (1024 sectors) block size 16384, fragment size 2048 > > using 1 cylinder groups of 0.50MB, 32 blks, 64 inodes with soft updates > > super-block backups (for fsck -b #) at: > > 160 > > #mount /dev/ad1d /test > > #df -H /test > > Filesystem Size Used Avail Capacity Mounted on > > /dev/ad1d 391k 2.0k 389k 1% /test > > Could someone explain where the 512-391=3D121K of disk space went to= ? > What > > is the relation between this used of space and total paritition size or > is > > it some fixed ratio? > > Thanks & Regards > > Naeem > > _________________________________________________________________ > > Express your personality in color! Preview and select themes for > Hotmail=AE. > > > > > http://www.windowslive-hotmail.com/LearnMore/personalize.aspx?ocid=3DPID2= 3391::T:WLMTAGL:ON:WL:en-US:WM_HYGN_express:082009_________________________= ______________________ > > freebsd-questions@freebsd.org< > http://www.windowslive-hotmail.com/LearnMore/personalize.aspx?ocid=3DPID2= 3391::T:WLMTAGL:ON:WL:en-US:WM_HYGN_express:082009_________________________= ______________________%0Afreebsd-questions@freebsd.org>mailing > list > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > To unsubscribe, send any mail to " > > freebsd-questions-unsubscribe@freebsd.org" > > > > 5% to root, and the rest i am assuming file system blocks. Try making th= e > 512k partition bigger accounting for those things and you should be able = to > get it really close to 512k available. > > -- > Who knew > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to " > freebsd-questions-unsubscribe@freebsd.org" > why do you want something that small? Could you not use an md device or tmpfs, they would probably be more efficient
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