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Extending root partition

asked 2017-05-16 07:31:26 -0600

Pouyan gravatar image


I use Lenovo Z50-70 Laptop with Fedora25 and Win10 (both 64x) installed dual boot. I need to extend my root partition and I have already 32GB of unallocated space on my disk but I find no option to do so. You can see my partitions on image below: image description

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answered 2017-05-16 12:47:31 -0600

cmurf gravatar image

The root volume cannot easily be extended in this layout. There's no free space after this partition, and LVM isn't being used either. Some fairly significant surgery would be needed no matter what. Possibly the easiest would be to boot from a livecd, create a new partition out of the 32GiB free space, and then use dd with a 1M block size to copy the existing root to the new root; and then wipe the signature on the old root. You'd need to check both /etc/fstab and grub.cfg to make sure it's looking for root with UUID rather than device. The UUID would be the same with this method, but the device will have changed. It's important to wipe the old signature to avoid having two identical filesystem volumes with the same UUID visible; not all file systems will tolerate this gracefully.

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answered 2017-05-16 10:19:46 -0600

SteveEbey73701 gravatar image

You may nneed to boot from a livecd and do it. rather than on the current booted system. I would imagine, just as in windows, the root partition has to be locked before resizing.

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Last updated: May 16 '17