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I created three new partitions, but after a reboot, the system is being dropped to a shell:

/dev/mapper/group-newpartition: clean, 11/655360 files, 276620/2621440 blocks [FAILED]

An error occurred during the file system check.
Dropping you to a shell; the system will reboot
Give root password for maintenance.

I tried to fix the disk error with fsck(), but the result status code is 0x4. I tried to reverse what I changed in /etc/fstab so that the system didn't check the partition while booting. But the shell the system being dropped to was a read only file system. I tried to access through the single user mode, but the result was the same. How to fix the problem?

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Why would you consider attempting to modify a seriously damaged disk that failed an fsck? –  mdpc Aug 12 at 2:02
    
This downvote because you asked a question, didn't even made it ready (see the end), and then disappeared without any reaction. You let others work for nothing. –  Peter Horvath Aug 12 at 8:38
    
I check the post when I am available online. I asked 16 hours ago. And revisit the post is the first thing I do this morning when I am before a computer. –  Purres Aug 12 at 17:51

1 Answer 1

The reason you are in read-only mode is that: a) Your file system was found to be damaged, then b) Your OS tried to fix it at boot, but failed, so c) Dropped you into a read-only shell so that you can extract and backup your files without modifying original file system hence preventing you from damaging it further.

If I were you, I would try to fix the problem first. However, if you do insist, you can remount your filesystem with -o loop,rw like

mount -t ext4 /dev/sda1 /mnt/sysimage -o loop,rw

where /mnt/sysimage is your mount point.

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