Re: Problem with minimum partition sizes

[B.Hakvoort]

> 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 ?
>
That's what gparted does.. the min size for fat32 is 256MB (dosfstools
limit). In the case there are no min. sizes (e.g. ext2) gparted takes the
cylindersize of the disk as min.size.

> 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 ???

You know.. in my dreams the harddisks should fit around the filesystems as
wel.

Bart

>
> 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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