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/dev/mapper/ubuntu--vg-ubuntu--lv does not exist. [Ubuntu Server 20.04]

Ask Ubuntu Asked by LeonardoMantovani on February 26, 2021

Today I deleted LAMP stack from my Ubuntu 20.04 server using tasksel and, when I rebooted the server, instead of booting as usual it gave me that error:

Gave up waiting for root file system device. Common problems:
- Boot args (cat /proc/cmdline)
 — check rootdelay= (did the system wait long enough?)
- Missing modules (cat /proc/modules; le /dev)
ALERT! /dev/mapper/ubuntu—-vg—ubuntu—-le does not exist. Dropping to shell!

Before showing it, he repeated for a lot of times the following logs:

blk_update_request: I/O error, dev fd0, sector 0 op 0x0: (READ) flags 0x0 phys_seg 1 prio class 0’
floppy: error 10 while reading block 0
mdadm: No arrays found in config file or automatically

I’m new to Linux but I thought that it could be a problem with file system… so I tried fixing it with fsck (I found online that it could repair Ubuntu’s file system) using:

touch /forcefsck 

and then rebooting but it didn’t work 🙁

Can someone help me? How can I fix the problem and come back to my GNOME interface?

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