Partition problems after installing a second Kubuntu version

john d. herron paradox.herron at bluewin.ch
Wed Sep 16 17:43:16 UTC 2009



On 16/09/09 09:28, Nils Kassube wrote:
>> On 16/09/09 17:52 John Herron wrote:
>>
>> Sorry I took awhile to get back.
>>     
> No problem :)
>
>   
>> I've decided to do the partition changes gradually (i.e. not all at once). 
>> So yesterday, after moving some stuff to the external UBS hdd (a lot of win95 non-essentials from /dev/hda1 and the remains from a very recently attempted - and botched - Kubuntu 8.04 installation into /dev/hda3), I tried to unmount and shrink /dev/hda1 by some 3 GB.
>> Gparted answered:
>>     "The partition could not be unmounted from the following mountpoints: /media/hda1.
>>     Most likely other partitions are also mounted on these mountpoints. You are advised to unmount them manually."
>>
>> Does this mean I should, as I proceed to rearrange things, gradually
>> disable (and then re-enable) each partition in a terminal?
>>
>> Yes, that would be one option. But you will have to disable all of the logical partitions within the extended partition if you want to grow the extended partition. That would be in conflict with your / partition if hda7 is your / partition. Therefore I would suggest you do all the partition shuffling from a LiveCD.
> You mean e.g. from the Kubuntu 8.04 Live CD I burned from its ISO file? The questions arise because when I did the 'botched' Kubuntu 8.04.2 install about a month or so ago, the Live CD would not let me chose /dev/hda3 as mount point; it insisted on wanting / as mount point.
> But just now I notice that Feisty, on /dev/hda7, is already mounted there... Conflict situation?
>   

Hmm, that's a bit strange. Maybe you now have hda7 mounted at / and hda3 as well? Then you could see only the one that was mounted last. One more reason to use a LiveCD to do the partition changes.
Please check if maybe the UUID for hda3 in fstab is the one from hda7. 

> Use the command
> ls -l /dev/disk/by-uuid
> to find out the association of UUIDs and partitions.
>
>   
Here's the output:
john at john-desktop:~$ ls -l /dev/disk/by-uuid
total 0
lrwxrwxrwx 1 root root 10 2009-09-16 16:23 
0bb50341-e97d-4c1e-8adf-420ca42bbc88 -> ../../hda4
lrwxrwxrwx 1 root root 10 2009-09-16 16:23 
1ec3d4e6-d74e-4b40-9a15-d468bbc474e7 -> ../../hda7
lrwxrwxrwx 1 root root 10 2009-09-16 16:23 
1fe8aab0-6b0f-4a62-8d41-8859f04129e0 -> ../../hda3
lrwxrwxrwx 1 root root 10 2009-09-16 16:23 3701-10EF -> ../../hda1
lrwxrwxrwx 1 root root 10 2009-09-16 16:23 
37dc83c4-2043-4784-98f2-d882cf06b11d -> ../../hda5
lrwxrwxrwx 1 root root 10 2009-09-16 16:23 
8de809de-b19e-48b5-91c3-da8c16fe82c7 -> ../../hda6


In a web tutorial by one Holly Bostick on shell-shocked 
(http://www.shell-shocked.org/article.php?id=230) it says, among other 
things: "...Set up *all / partitions* for Linux (except the swap of 
course) as ext2...". I'm baffled: can there be more than one / partition 
on a harddisk? I look at the contents of the hdd on my box and see only 
one / (much like in win95 there's only one C:\). What am I 
missing/overlooking?

Thanks for your patience and help.

john

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