JEMF <jemf@xxxxxxxxxxxxxxxx> writes:
> I have a 512 MB Kingston flash disk. When I try to create a partition
> with 460 MB (471.040 KB), the partition is created with 460.6 MB
> (471.665 KB).
>
> ------------------------------------------------
> Device Boot Start End Blocks Id System
> /dev/sdb1 1 951 471665 83 Linux
> ------------------------------------------------
>
> Why? Geometry?
Yup; when the flash device pretends to have geometry so that it doesn't
confuse software that still lives in DOS land, it caused that.
> 2nd Question:
>
> When I format the partition with ext3, the df -k command returns:
>
> ------------------------------------------------
> Filesystem 1K-blocks Used Available Use% Mounted on
> /dev/sdb1 456730 8239 424908 2% /mnt
> ------------------------------------------------
>
> I think 8239 KB (8.05 MB) was used by journal. But the amount of blocks
> decreased after formatted (471665 to 456730). Why?
The difference, of around 23,000 blocks, is five percent of the
available space on the filesystem.
The default reserved block count for root is five percent...
Daniel
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