moving partitions

[Colin Law]

On 27 August 2014 14:23, J.L. Blom <joep at neuroweave.nl> wrote:
> I have a peculiar problem with moving partitions. I have, many years ago
> made a boot partition of 100 MB as I thought that was more than enough.
> However, as ubuntu grows, the needed room on the boot partition has to be
> increased as well, resulting in the fact that it now requires > 74 MB and
> the old Linux uses at least 35 MB so I don´t have not enough space.
> OK, I booted from an USB-stick, used gParted and shrank the adjoining
> partition.
> The boot-partition is an primary partition, while the next partition, which
> I shrank, was the first partition on the extended partition. I ended with an
> unused partition of ~1 GB.
> Than I wanted to let the boot-partition grow with 1 GB. But that didn´t
> work. Gparted wouldn´t do that.
> Now I´m stuck. Can somebody explain why this primary partition won´t grow
> and how I can solve this problem?

When you have an extended partition that you wish to shrink you must
first shrink and or move the partitions within that extended partition
(so that there is space inside the extended partition) then shrink the
extended partition itself so that there is room to extend the adjacent
primary partition.  From your description it sounds as if you have
freed up space at the front of the extended partition, but it is still
inside that partition.  You must therefore shrink the extended
partition so that the free space is outside the extended partition.

Colin

> Thanks in advance,
> Joep
>
>
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