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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Switching RST to AHCI without losing data (feddit.de)

submitted 1 year ago by squaresinger@feddit.de to c/linux@lemmy.ml

4 comments fedilink hide all child comments

My laptop switched from AHCI to RST on its own (probably after a Windows update) and now I cannot boot my Kubuntu anymore. Live sticks also cannot access the drives. When I try to switch it back in the UEFI settings, it tells me that it will wipe the drive to do so.

Is this message correct? How can I change it back without losing all my data?

The device in question is a Lenovo Ideapad 720-15ikb with Kubuntu and Win10 dual boot.

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[–] trones@ythreektech.com 2 points 1 year ago* (last edited 1 year ago) (1 children)

If you have access to an external drive as big or bigger than the laptop drive, boot SystemRescueCD and ddrescue it as a backup, just to be safe. I personally haven't had it actually wipe a drive, basically it's saying switching might render it unbootable if the right drivers aren't in place.

I always back up first just to be safe though, worst case I waste a little time.

[–] squaresinger@feddit.de 2 points 1 year ago

I only got an old external USB2 drive. Backing up >1TB over that will take some time^^

Thanks for the suggestion though!