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I have Windows 8.1 installed exclusively on 1Tb volume. Recently I installed Ubuntu 14.04 on the other disk and want to access this big drive in read-write mode. However, Windows placed it's hiberfil.sys file onto it thus preventing me to mount it in rw mode. I tried to disable Windows quick boot feature (worked in Win8) but it seems not working.

So I decided to reduce C: size and create shared partition but faced with another problem: NTFS has a copy of allocation table in the middle of the disk and Windows doesn't want to move it. So I can only free up to 470~ Gb when I need about 840 Gb for the share and 160 Gb for C:.

I tried to repartition with Paragon Partition Manager and Acronis Disk Director. I tried to use Gparted. All of them failed. So I wander if method of resizing NTFS partition beyond the half does exist or I need to reinstall Windows to achieve the desired result.

I don't want to reinstall Windows, so I hope someone advise me a good working partition tool or the method to unlock the drive.

Thanks in advance!

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up vote 2 down vote accepted

I do not know a solution further shrink your partition. But removing the hiberfil.sys is possible. Disabling the quick boot feature is just half the deal. You also need to disable hibernation. You can to this with this command (you need to be in a console with admin rights):

powercfg.exe -h off

This should remove the hibernation file.

BTW: I usually use this partition program. But I never had to shrink the partition to more than half the size.

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Thanks! Both of your advices were helpful: I successfully shrunk the partition C: and was able to mount it in Ubuntu ^_^. – Danatela Apr 3 '14 at 14:22

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