Tuesday, June 12, 2018

partitioning - Is dual-boot Windows 10 with hibernation and Ubunutu 18.04 dangerous?

I want 3 partitions on the SSD of my Thinkpad (additional to the small standard partitions for windows recovery and so on):


1.) Windows 10 (This partition is called "C" in Windows)


2.) NTFS data partition used by both OS


3.) Ubuntu 18.04


I read a lot about people not being able to mount other partitions with Ubuntu because they get warning messages, telling them that Windows is in hibernation (Unable to mount Windows 10 partition; it "is in an unsafe state", Unable to mount Windows (NTFS) filesystem due to hibernation, unable to mount ntfs partition created inside widows 10).


I am fine with getting warning messages and I found how to shut down Windows with deactivated fast start-up(see https://askubuntu.com/a/655995/865596, https://askubuntu.com/a/843161/865596) or to restart instead of a shutdown to avoid hibernation-like behavior (see https://askubuntu.com/a/843373/865596).


But I am very afraid of corrupted data or even bricking my system.


So can I rely on getting warning messages when the other OS is hibernating? Or is it possible that when I boot Ubuntu while windows is still in hibernation that I can destroy something without getting warned before doing so? And how dangerous is it to boot Windows 10 while Ubuntu 18.04 is hibernating?


Related question: When people are writing about not being able to mount their "windows partition" do they actually mean the partition 1.) Windows 10 partition (I cannot think of any situation where I would like to mount this partition in write mode. By the way: is it possible to forbid Ubuntu to ever mount this partition with writing rights?) or do they mean the 2.) NTFS data partition?


Summarizing my question: Is it safe to use the following configuration:


1.) Windows 10


-with hibernation


-without fast startup (or with fast-start-up and always trying to restart windows before booting Ubuntu like described in https://askubuntu.com/a/843373/865596)


2.) NTFS data partition used by both OS


3.) Ubuntu 18.04


-without hibernation (or would it even be safe to use hibernation in Ubuntu too?)


-Is there any Fast start up option in Ubuntu 18.04 that should be deactivated for a dual boot configuration?

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