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Old 08-21-2010, 12:02 AM   #1
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trying to resize a partition from command line

I'm trying to resize a partition from a command line using the instructions on this page:

The line below is the one I can't get to work right.
Can someone please show me exactly how its supposed to be typed?

Now, using fdisk, we must resize hda1 to 6000M, and create a new partition. Command: "fdisk /dev/had".
In our case, the fdisk commands are "p d n p 1 1 +6000M t 7 a 1 n p 2 enter enter w", resulting in this "fdisk -l /dev/had" output :
I've made this work before but I cheated by using Acronis to create the partitions. I really want to get it to work from command line.

Old 08-21-2010, 02:37 AM   #2
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Registered: Oct 2004
Distribution: Fedora Core 4, 12, 13, 14, 15, 17
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You have to type and enter one letter at a time apart from the +6000M

If you type fdisk /dev/hda (not had) you enter the fdisk command line working on the disk hda.

Everything from then on, up to the w is an fdisk command.
so it's
fdisk /dev/hda
You will see what's happening as you go along.

If you type
fdisk /dev/hda

then enter
you will see a list of available commands.

[root@kids ~]# fdisk /dev/hda

The number of cylinders for this disk is set to 4865.
There is nothing wrong with that, but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g., old versions of LILO)
2) booting and partitioning software from other OSs
   (e.g., DOS FDISK, OS/2 FDISK)

Command (m for help): m
Command action
   a   toggle a bootable flag
   b   edit bsd disklabel
   c   toggle the dos compatibility flag
   d   delete a partition
   l   list known partition types
   m   print this menu
   n   add a new partition
   o   create a new empty DOS partition table
   p   print the partition table
   q   quit without saving changes
   s   create a new empty Sun disklabel
   t   change a partition's system id
   u   change display/entry units
   v   verify the partition table
   w   write table to disk and exit
   x   extra functionality (experts only)

Command (m for help):
If you make a mistake or lose your nerve along the way, you can get out of fdisk by entering
or if you are in the middle of a command just use
Ctrl + c
to exit fdisk.
Nothing is changed on the disk until you type w and <enter>

That page is a lousy way of documenting it IMHO.

Last edited by smoker; 08-21-2010 at 03:02 AM. Reason: added get out
1 members found this post helpful.
Old 08-21-2010, 11:02 AM   #3
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Registered: Jan 2010
Posts: 3

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Can't thank you enough for your help; finally got it resized and formatted.

What a relief.

thank you thank you thank you!


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