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Output of fdisk -l:

Disk /dev/sda: 640.1 GB, 640135028736 bytes 255 heads, 63 sectors/track, 77825 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x07f2837e Device Boot Start End Blocks Id System /dev/sda1 1 13 104391 de Dell Utility /dev/sda2 * 14 1926 15360000 7 HPFS/NTFS /dev/sda3 1926 27578 206055449+ 7 HPFS/NTFS /dev/sda4 27579 77826 403610625 5 Extended /dev/sda5 27579 52921 203561523+ 83 Linux /dev/sda6 59000 59972 7811072 82 Linux swap / Solaris /dev/sda7 59972 77826 143407104 83 Linux 

A few things to note:

1) There's around 50GB of unallocated space betweed sda5 and sda6.

2) sda5 is mounted at / on my Ubuntu install, and sda7 is mounted at /home.

I want to install Fedora in the unallocated space by creating a 50GB ext4 partition. I would create only a single root partition in that space without modifying any partition around, and I'll take care of all the GRUB mess.

My question is: Will creating an ext4 partition between sda5 and sda6 change the sdaX numbering of the swap and /home partitions? I guess yes. In any case, will it also change the UUID of any other partition? I'm asking this because I can see in my ubuntu fstab that the partitions are identified by their UUID. If I just create a partition in the unallocated space and install Fedora, will the UUIDs change of the surrounding drives so much that the drives won't auto-mount at Ubuntu startup?

Any help would be appreciated. Thanks!

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  • At the next disk-partitioning crossroads, consider using LVM, so you don't have to worry about things like this. Commented Apr 26, 2011 at 9:49

1 Answer 1

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No. It will not change the partitioning number of said device. And you can create the new partition in between 5 and 6, and that partition will be sda8. UUID will remain same, as you are not modifying that partition.

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  • Thanks. It all went smoothly for me. The UUID of sda{5,6,7} didn't change, and the new partition was named sda8, just like you had said. Commented Apr 26, 2011 at 11:17

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