4 partition limit

Asked by Justin on 2009-03-22

I have a dell computer with three partitions and 80GB hard drive running Windows xp media-dell utility, windows(ntfs), and dell system recovery partitions. I want to dual boot with ubuntu 8.10 WITHOUT messing up the Ctrl+F11 recovery. Because of the 4 partition limit, can I have a logical partition with ubuntu, /home, and swap partitions in it? How would I create logical partitions? Also, is it possible to have the /home data in windows partition? Thanks.

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Answered
For:
Ubuntu gparted Edit question
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Last query:
2009-03-22
Last reply:
2009-03-23
Jim Hutchinson (jphutch) said : #1

You can have more than 4 if you make the 4th one an extended partition. Then you can several logical partitions within that extended partition. I'm pretty sure you have that option during the install but it might also do it automatically. I know I've had up to 6 partitions (3 each for two different Linux installs) without problems. It would not be easy or advantageous to have the /home on windows. While Ubuntu can now read and write to ntfs partitions you loose many of the benefits of the Linux file system like journaling and the lack of fragmentation. You also run the risk of messing up one or the other system. If you want to investigate some options check out http://www.psychocats.net/ubuntu/partitioning.

peter b (b1pete) said : #2

.......'can I have a logical partition with ubuntu, /home, and swap partitions in it?'........

A = yes you can

......'How would I create logical partitions?'...........

A = either win or ubuntu partitioner at install under MANUAL option can do it - don't forget, there MUST be free space available to create a new partition be it pri or extended.

....'Also, is it possible to have the /home data in windows partition?'...

A = why would you want that ? you can create up to 15 logical partitions/volumes under the extended part.

peter b

peter b (b1pete) said : #3

.......'can I have a logical partition with ubuntu, /home, and swap partitions in it?'........

pls read the A as

A = yes you can HAVE AN EXTENDED partition WITH LOGICAL/VOLUMES for ubuntu /home, / , and swap

peter b

Cruncher (ubuntu-wkresse) said : #4

If the reason that you want to place /home on a windows partition is that you want to be able to access your Linux files from Windoze, it is always possible to create an empty directory on the Windows partition, create a link of it (under Ubuntu, *not* Windows - they are quite different), and move that link to your home folder.
It is probably not a good idea to place your *complete* home folder on an NTFS/Windoze partition, since many hidden configuration files are stored there, and they might get messed up on a non-native filesystem.

Abi ^-^ (abiyasa-eka) said : #5

Hello, you can convert primary partition to logical partition using gparted in ubuntu live cd ....

But, backup your data first, it's because convert a partition can delete all of it's contents ....

Cruncher (ubuntu-wkresse) said : #6

During Ubuntu installation (quite at the beginning) you will be asked where to install Ubuntu (the window will probably have "GParted" in the title at that point). I am not familiar with how powerful and intelligent the automatic settings of Ubuntu's partition editor are, but with the manual settings the best approach would be to
- reduce the windows partition in size, as much as you can spare, but at the very least about 5GB
- create an extended partition out of the new space
- inside that extended partition, you can create as many logical partitions as you like. at the very least you'll need a swap (should be about 2x the size of your total RAM main memory), and the main Ubuntu partition (mount point "/"). If you like you can also create a partition for "/home", but that's not mandatory.

Tom (tom6) said : #7

2Gb for a linux-swap partition (possibly, although you may decide not to have one), in addition ...
8Gb is needed for a standard Ubuntu install, 5 wont be enough unless you really know what you're doing and go for some fancy options - some of us do that as standard and forget what the real standard fully-featured install is like.

This may all sound like a lot of space but Ubuntu includes some pretty impressive packages such as OpenOffice and a linux equivalent of Nero. While the standard install of Windows might take up a lot less space it invariably needs a lot of extra programs before it reaches the point Ubuntu starts at. Ubuntu takes a lot less time to install, even with all the extra functionality it includes right from the start :)

Good luck and regards from
Tom :)

Tom (tom6) said : #8

Err the linux-swap should ideally be exactly as Cruncher describes, ideally about twice Ram size. If it's less than your Ram size then you may also have trouble with sleep/suspend/hibernation modes but personally i think a clean shut-down is much safer anyway. The linux-swap is used to take the pressure off ram in much the same way as pagefile.sys does for Windows except it's performance doesn't drop-off rapidly.

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