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I have installed ubuntu 12.04 lts I have 500 gb single partitioned hard disk on which this ubuntu is installed

now i want to create two partition but when I try using gparted it is only showing unmount option(all other options are grey) so how can i do it without losing any data

user247166
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2 Answers2

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You can't repartition a partition which is in use. So

1) backup your data (1);

2) repartition your disk with gparted starting the system with a LiveUSB or LiveDVD (there is a gparted LiveCD somewhere around).

(1) In theory the resizing of a modern ext4 partition should be safe and without data loss. But when doing such kind of highly potentially disruptive operations, a backup is fundamental.(2)

(2) well... I have daily backup even when I do almost nothing. YMMV...

Rmano
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You can resize your single HDD partition only through Gparted live disk or Ubuntu live disk.

Avinash Raj
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