System broken, timeshift snapshots not visible/working

[splox]

Good morning lovely people,
I again where able to crash my whole system (probably a connection issue while updating the system and i tried to play the 1999 game pharaos…)
Wenn i try to use snapshot to restore anything i just get [failed] this and thats errors, not even the info that im in emergency mode.

I made myself a bootable usb stick but didnt knew that xfce and kde are different things and have a stick with xfce on it while my old system (kernel?) Was kde.
When i used the usb stick to get to timeshift it showed on the first try some snapshots but after loading one and restarting nothing worked anymore and it also didnt showed any snapshots anymore (have btrfs drive)

I tried to install from the bootable stick a new kernel but it also failed.

I still have data on my hard drive (you know games n stuff) so it isnt lost.

What can i / should i do to get the whole thing running again with minimal loss to my (home) files?

Also i have no stable or fast internet because i am in a hospital and use my phone with usb tethering to gain internet access

Ps: chroot -a does not work, telling me no linux installed

[andreas85]

How to boot from USB into live Manjaro (for repair):

How to boot into my system from usb?

Hi newbi question my desktop is XFCE my pc is 64bit 60gig hardrive. I did a recent up date and now manjaro won’t boot up. I get a message saying I need to have a kernel installed first. I’ve tried advanced option but even the fallback won’t boot. I did some research that it’s possible to recover my installed system by chroot using usb but not really sure what to do after I get the message below. In the terminal I typed “manjaro-chroot -a” below is the message I got. “Mounting (ManjaroLinux) …

Then make a backup of important files !

Make Backups:

[HowTo] make a crash-proof backup in Manjaro for your entire system

Difficulty: ★★☆☆☆ If you follow the tutorial completely, you will be able to create a backup of your entire system not only limited to Manjaro, but also including Windows, RHEL, Ubuntu, … and whatever else you might have installed on your system! Even if you replace your HDD by an SSD, your HDD crashes, your entire system gets stolen, … you can always restore a Cold System backup to an identical system (You cannot restore E.G. a Dell XPS onto a Dell PowerEdge and then expect that to…

Then try to repair (from chroot)

Repeat the update !

Then add a second kernel

Please install 2 kernels (one of them LTS)

Manjaro Kernels

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btrfs snapshots will allways be visible by using btrfs command

You find good Information about Btrfs in the wiki

Btrfs

and in

[how to] rescue data from a damaged btrfs volume

Difficulty: ★★☆☆☆ You used btrfs. Now it’s paying off. There is an easy way out (I’ve already done this myself):

In most cases, when a btrfs volume breaks, it is possible to recover the data

This is because btrfs works with copy on write. This means that new changes are always appended at the end, so to speak. The previously existing data is not actually overwritten. (In reality this is a bit more complicated, but for us here this simplified view is sufficient). If the file system ge…

[splox]

Thank you very much

[Ben]

Last year I had Timeshift set to do rsync snapshots to a separate HDD.

I was informed that this isn’t the right idea - they aren’t backups - so I also started using Back-in-time to do a similar job.

Later on I just started leaving snapshots on the /home drive and backups on a /mnt/backupHDD.

So when disaster strikes (it did - when I tried to restore a timeshift snapshot, it failed… and ALL the snapshots failed… but much of the data was backed up anyway). I reinstalled from USB and manually rebuilt, copying back settings as needed.

BTRFS is superb for doing hourly snapshots for a quick reboot recovery - but you need a backup for safety.