[kwlug-disc] Safely append unused space to an ext3 partition

Khalid Baheyeldin kb at 2bits.com
Tue Jul 20 23:09:17 EDT 2010


On Tue, Jul 20, 2010 at 11:01 PM, Khalid Baheyeldin <kb at 2bits.com> wrote:

> On the new server that I had, there are 12GB that are unassigned for some
> reason.
> Perhaps this is due to even number boundaries, or something.
>
> The current state is like this (from parted)
>
> Disk /dev/sda: 1000GB
> Sector size (logical/physical): 512B/512B
> Partition Table: msdos
>
> Number  Start   End     Size    Type      File system  Flags
>  1      32.3kB  988GB   988GB   primary   ext3         boot
>  2      988GB   1000GB  12.1GB  extended
>  5      988GB   1000GB  12.1GB  logical   linux-swap
>
> In fdisk, it is like so:
>
> Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
> 255 heads, 63 sectors/track, 121601 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Disk identifier: 0xsomething
>
>    Device Boot      Start         End      Blocks   Id  System
> /dev/sda1   *           1      120134   964976323+  83  Linux
> /dev/sda2          120135      121601    11783677+   5  Extended
> /dev/sda5          120135      121601    11783646   82  Linux swap /
> Solaris
>
> I don't want to repartition the disk and spend several hours backing up and
>
> restoring the file system (which is only 100GB, but still ...)
>
> So the question is: is there a way to somehow append the 12GB that are
> assigned to /dev/sda1, and end up with only 2 partitions (1 and 5)?
>
> If this can be done at the partition level, would ext3 need to know about
> that
> extra space, or will it use it without issues?
>
> Thanks in advance
>

Ignore that message!

I just got confused. The extended partition contains the swap and no space
is
being lost.

My bad. Should do the math before I post. Or not post too late like that ...
-- 
Khalid M. Baheyeldin
2bits.com, Inc.
http://2bits.com
Drupal optimization, development, customization and consulting.
Simplicity is prerequisite for reliability. --  Edsger W.Dijkstra
Simplicity is the ultimate sophistication. --   Leonardo da Vinci
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