Failed to mount sysroot

@schoschi12 wrote:

Hi guys

I’m searching for help rescuing my rockstor install. I was running the system without major problems for close to three years by now.
Here some details about the current problem:
Through the WebGUI I downloaded some new packages (blinking “wifi” sign). I restarted, the updates were offered again, I tried again, restarted again. Might not have anything to do with anything, but just in case.
I then tried to get a new Rock-On running (Handbrake), which seemed to work.
Suddenly, no access anymore to the Server, neither the WebGUI nor any Rock-Ons like Plex or Sonarr. The WebGUI showed some message like “rockstor not reachable”, so the server wasn’t “inexistent”.
I gave it about 24h, then pulled the plug (not a good idea, I know)
After a new start I got the message below:

'"Entering emergency mode. Exit the shell to continue."
Type "journalctl" to view system logs.
You might want to save "/run/initramfs/rdsosreport.txt" to a usb stick or
/boot after mounting them and attach it to a bug report.`

I searched a little and also got the message below:

failed to mount sysroot

I tried “fsck” and “xfs_repair -v -L /dev/dm-0”, which were both not successfull (path different in rockstor than CentOS?), but both commands were unknown (do I first have to navigate somewhere?)

I’m using a USB-drive for the OS (not ideal, I know)
First I tried to do the “troubleshooting -> rescue installation” with both the old OS-drive and the new bootable inserted, as well as with only the new one. Got the same error as above.
I tried reinstalling on a new USB-Drive, hoping to restore the data from the existing pool, but didn’t get past the “installation selection”. It was just greyed out, nothing happened when clicking on it.
I tried that with the only the bootable drive inserted and also with the bootable drive and a blank drive inserted. Still the same issue.
The HDDs were connected the whole time, could that be the issue?

I don’t know what else to try, do you have any tips? Also I will try to export some logs, if you can tell me which ones could offer some information.

Thanks for reading all this and trying to help me, it’s much appreciated!

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