View Full Version : [SOLVED] change size of partition on dual boot
shantiq
August 28th, 2010, 08:21 AM
on a dual boot can one change the size of each partitioned section of the boot once both sides are installed ?
i have a 500GB disc and i have lucid on 307 Gb and maverick on 145GB
i did this so i could test maverick
now i would like to change the split to say half and half
can i do this?
i have mountmanager installed but i am not sure how to proceed. Any clues?
Ceedub2
August 28th, 2010, 08:46 AM
Gparted does this. They say that not to partition with in Ubuntu itself.
DemonBob
August 28th, 2010, 08:56 AM
Boot with the Gparted Live CD (http://sourceforge.net/projects/gparted/files/gparted-live-stable/), then you can make those changes.
shantiq
August 28th, 2010, 09:11 AM
Boot with the Gparted Live CD (http://sourceforge.net/projects/gparted/files/gparted-live-stable/), then you can make those changes.
hi bob could you say a bit more about this way of doing it
a few tips/steps please
good guide here (http://www.fsckin.com/2007/10/21/partitioning-or-resizing-drives-in-ubuntu-using-gparted/)
ok got it installed from terminal not sure what to do next i want to reduce one and increase size of other
shantiq
August 28th, 2010, 10:19 AM
ok managed to reduce the first one sda1 but as you can see now
i have 160 unallocated and want to move that to sda 6 but sda6 has got this padlock on HOW do i unlock it? i am sure it is simple just cannot see how to
http://img202.imageshack.us/img202/5227/devsdagparted001.png
oldfred
August 28th, 2010, 06:47 PM
The extended is all one partition with many logicals but it is mounted as one. You may need to click on sda7 and swapoff as most liveCDs use the swap partition to speed things up.
But before you do anything, are you going to keep several system installs? If so you may want to consider a separate /data partition that you can mount in each install and have all the same data.
I have 9.10 my old install, 10.04 my current & 10.10 each in 20-25GB partitions with only about 6GB used. All my data is in a data partition and mounted into each so whichever I boot I have all the same data.
Partitioning basics with some info on /data older but still relevant
http://ubuntuforums.org/showthread.php?t=282018&highlight=separate+%2Fdata+partition
How to Multi-boot (Maintain more then 2 OS) old grub
http://ubuntuforums.org/showthread.php?t=724817
Painless Linux Multi-boot Setup - see also comments
http://blog.linuxtoday.com/blog/2009/08/painless-linux.html
oldfred's versions of data linking from above blog, based on more from comments
http://ubuntuforums.org/showthread.php?t=1405490
shantiq
August 28th, 2010, 07:13 PM
hi olfred thanx for input
basically i want to keep lucid for a while until i know maverick can do everything fine that i need it to do
so at the moment i want both on my machines and i have both
i was too conservative when i installed maverick and gave it too little space
so i want to shift a lot of the lucid space unto the maverick side
got the gparted live disc but it is scaring the shite out of me
not sure how to handle it
can i use it AFTER i have installed both lucid and maverick
the situation i am in now and MODIFY the split of space
i do not even know that
so as you see many questions
can i even do what i am trying to do with what i have got now?
oldfred
August 28th, 2010, 08:18 PM
You can expand but you show lots of free space in both right now.
You have 115GB & 132GB unused. If anything I would shrink system partitions and make large data partition(s), then next Nov after your 10.10 is good but you want to test 11.04 you can still mount the same data into that system install.
shantiq
September 8th, 2010, 09:10 PM
ok finally done it
it HAS TO BE off a live disc of gparted as the program will not run on the mounted disc you are already on and you are trying to reduce/increase in size which makes sense like trying to move furniture you are sittin on
found a really clearly explained video on youtube (http://www.youtube.com/watch?v=8n6bKDww5jc&feature=related)
must not frget
sudo update-grub at the end to ring in the changes on the grub startup
and after a couple of attempts i got there
well worth the trip saves reinstalling EVERYTHING
nota bene
--------
at the last stage on linux 0 will not do as an option as it expects windows to be there so 1 is the right
choice to get the visuals then the video linked explains the steps clearly
it now looks as in the attached image (maverick is on the right) thanx for all pointers
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