42
How do I recover data from a BTRFS Fedora partition if live images do not "see" the disk? (lemmy.wtf)
submitted 4 months ago by to c/linux@lemmy.ml
32 comments fedilink hide all child comments
 

I cannot get further than GRUB except to rescue mode, when I attempt to boot the main Fedora OS it gets stuck on searching for a disk indefinitely. Gets stuck on Job dev-disk-by\<many symbols>.device/start running (1h / no limit) in the console.

I have a Windows partition on same drive, it also doesn't boot, it's rescue command prompt (from where you are instructed to open notepad to rescue files) doesn't "see" any disk but C: and X: (emerg boot).

I tried booting this machine with two live OS USBs: Fedora and SystemRescue. Neither of them list the SSD (or anything but the USB drive FS itself) in lsblk or the file manager.

Due to lack of storage mediums, I haven't done a backup in a while. How can I rescue the files? Many passwords are also stuck there, in Firefox manager I wasn't able to sync due to losing access to the 2FA email.

Edit: SOLVED! Needed to switch disk mode in BIOS/UEFI from RAID to AHCI. IDK how it got to RAID in the first place.

you are viewing a single comment's thread
view the rest of the comments
[–] 1 point 4 months ago (3 children)

When you boot a recovery image does it have any dmesg logs though? You should see something there when you try to mount it

Does "fdisk -l" show all your partitions on that drive?

  • permalink
  • fedilink
  • source
  • parent
  • hideshow 3 child comments
    •
  • [–] [S] 1 point 4 months ago* (2 children)

    No, fdisk shows only the drive itself.

    I didn't find any obvious errors in dmesg logs, but again I don't know much about them. You may check them out here: https://termbin.com/975x

  • permalink
  • fedilink
  • source
  • parent
  • hideshow 2 child comments
    •
  • [–] 2 points 4 months ago (1 child)

    This seems suspicious

    Found 1 remapped NVMe devices.
Switch your BIOS from RAID to AHCI mode to use them.

    Have you setup a RAID?

  • permalink
  • fedilink
  • source
  • parent
  • hideshow 1 child comment
    •
  • [–] [S] 1 point 4 months ago* (last edited 4 months ago)

    Don't recall doing so. I think I saw something about automatic switch to/from RAID and AHCI in boot logs?

    I've actually seen "something/AHCI/RAID" switch in BIOS set to RAID. Will try switching to AHCI.

    Edit: IT WORKED! I changed RAID to AHCI, now the system boots as expected. Thank you. Will change to solved.

  • permalink
  • fedilink
  • source
  • parent