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Re: Problem with minimum partition sizes


From: Gareth Bult
Subject: Re: Problem with minimum partition sizes
Date: Fri, 04 Mar 2005 18:14:46 +0000

Mmm, I am using them ..

However I had this wild idea that I could build a GUI installer program so people wouldn't have to use command line tools ... ;-)

Gareth.

On Fri, 2005-03-04 at 19:16 +0100, K.G. wrote:
Is there any reason you can't use fdisk and mke2fs to satisfy your needs ?

On Fri, 04 Mar 2005 17:48:07 +0000
Gareth Bult <address@hidden> wrote:

> Urm, no, not really .. it doesn't matter that the number is calculated
> from the CHS - it still appears to be an arbitrary limitation
> artificially imposed on the filesystems. 
> 
> There appears to be an 8Mb limit on ext2 and ext3 filesystems, and 256Mb
> limit on VFAT!
> 256Mb is quite a large "minimum" when VFAT filesystems work quote
> happily on 1.2Mb floppies !
> 
> Why does it not impose a limit that matches the limits imposed by the
> filesystem design ?
> 
> At the moment it seems that the filesystems have to fit to the
> partitioning software, whereas the partitioning software should actually
> fit around the filesystems ???
> 
> Gareth.
> 
> On Fri, 2005-03-04 at 18:30 +0100, B.Hakvoort wrote:
> 
> > It's not artificial since this the cylindersize is calculated from the CHS
> > information which in turn is read from the disk.
> > 
> > Hope this makes it clear :)
> > 
> > > Urm,
> > >
> > > You're imposing an artificial limitation on the software that prevents
> > > it from being used.
> > > How does it make sense ?
> > >
> > > For embedded systems, partitions can easily be less than 8Mb , not only
> > > do partitions of this size work without a problem, they are *needed* ..
> > >
> > > (!)
> > >
> > > Gareth.
> > >
> > > On Fri, 2005-03-04 at 18:18 +0100, B.Hakvoort wrote:
> > >
> > >> Hi,
> > >>
> > >> For ext2 gparted takes the size of one cylinder as the min size. This
> > >> makes sense, since partitions are rounded to cylinderboundaries.
> > >>
> > >> Bart
> > >>
> > >> > Hi
> > >> >
> > >> > I'm using gparted 0.0.8 with associated libgparted 1.6.20. (Gentoo)
> > >> >
> > >> > There appear to be artificial limits in partition sizes when creating
> > >> > new partitions, different minimums per partition type.
> > >> >
> > >> > Whereas some partitions may have minimum sizes, I *need* to be able to
> > >> > create 4Mb ext2 partitions (which I can do quite happily using fdisk)
> > >> ,
> > >> > yet the apparent minimum in gparted is set to 8Mb. (and it looks like
> > >> > it's getting this from 'parted')
> > >> >
> > >> > Is there easy way of getting around this ?
> > >> >
> > >> > If not, any chance of some saner minimum size checking ?
> > >> >
> > >> > Thanks,
> > >> > Gareth.
> > >> > _______________________________________________
> > >> > Bug-parted mailing list
> > >> > address@hidden
> > >> > http://lists.gnu.org/mailman/listinfo/bug-parted
> > >> >
> > >>
> > >>
> > >
> > 
> > 
> 

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