1
vote
2answers
33 views

Does fsck keep existing files?

This is a rather dumb question but my googling didn't give me any direct anwser. So I have a computer which ubuntu (12.04) filesystem has gone corrupted. Now I want to try to repair it with fsck from ...
0
votes
0answers
37 views

wrong file system type passed to fsck

My Ubuntu hanged today while it was downloading, as it was unresponsive for long i shut it down forcefully . Later when i switched it on, it was not coming up so i used a live cd to fix the file ...
3
votes
1answer
136 views

Just deleted 100GB of files, no extra free space. How do I get it back without rebooting?

There are other questions like this bumbling around the site (that I'm working through) but I'm in the strange position where I think I know what I'm doing but can't explain what's going on. I had ...
0
votes
2answers
5k views

Recover from a corrupted filesystem when fsck do not help

Something went wrong with my filesystem, Ubuntu set it to read-only and now under Ubuntu Live Disc, fsck can't fix it. I'm running 13.04 and it won't boot - at startup, it just shows the grub rescue ...
0
votes
1answer
31 views

Bug in Krusader lost directory subtree. How to recover the files?

Using Krusader version 2.4.0-beta1 (thanks Canonical for using me as ginnea pig without my knowledge), I renamed two directories to replace the spaces in the names with underscores. Unfortunately, ...
1
vote
1answer
401 views

lvreduce too much. Can I recover this?

I was trying to take a hard drive out of a large LVM group consisting of 5 drives. It had a 5.5TB filesystem (ext4). The LV was 7.5TB. I wanted to reduce the LV by 1.82TiB so that I then could shrink ...
1
vote
1answer
182 views

How to check an encrypted disk for errors

During the last installation of Ubuntu I set up full disk encryption using the option on the installer. My disk seems to now have become corrupt, and I'd like to check it for errors. GNOME Disks on ...
0
votes
1answer
240 views

fsck on ext4 resulted in file corruption

I had to hard reboot my machine and I had a file system corruption. I have tried to run fsck on the partition from live CD. However my partition is ext4 and I understand that fsck defaults to ext2 ...
3
votes
3answers
3k views

Ubuntu 12.04 SSD root frequent random read only file system

I really need your help. I've got Dell Inspiron 1545 with 8GB of RAM and Sandisk Extreme 240GB SSD. The disk is seperated into three partitions, /root, /swap - 8GB, /home blkid: /dev/sda1: ...
2
votes
1answer
1k views

I need to convert ext2 filesystem to ext4 to prevent fsck every time I boot?

Installed Ubuntu 12.10 alongside manufacturer-installed Win 8 with no problems. Was "clever" enough to install as ext2 filesystem, which has resulted in the inconvenience of fsck making the usual ...
2
votes
2answers
2k views

Why does my root filesystem keep becoming read-only?

I've lately been having an issue with my root filesystem becoming readonly. It happens some amount of time after boot. I don't know exactly when it happens, as I don't usually notice it until ...
3
votes
1answer
193 views

Problem with Free space

I was zeroing out the free space on my Ubuntu 12.04 using sfill, when the command stopped responding and I had to reboot the machine. Now, the system says that it has no space left, and that it is ...
1
vote
1answer
278 views

How to fix file system's CHS geometry?

I'm trying to check FAT16 file system with GParted and the check fails with the following message: The file system's CHS geometry is (484, 16383, 63) is invalid. The partition table's CHS geometry ...
0
votes
2answers
2k views

Frequent change of file-system to read-only

I am using Ubuntu 12.04 on my relatively new laptop. Initial few days, everything worked fine, but then suddenly I started getting a strange problem. After every 2-3 days, the file-system was becoming ...
3
votes
0answers
2k views

12.04 indicates filesystem check on next boot, but never does one [duplicate]

Just installed 12.04 32 bit on my machine, with 3 drives. When I open a terminal window or ssh in remotely, I see: Welcome to Ubuntu 12.04.1 LTS (GNU/Linux 3.2.0-29-generic-pae i686) ...
0
votes
1answer
2k views

USB stick bad superblock. Works absolutely fine in Windows

When I plug in my 8GB Cruzer Blade 8GB (Formatted as FAT32) into my Ubuntu computer, I get a mount error. The command 'e2fsck -f /dev/sda1" gives me "Bad magic number in super-block while trying to ...
0
votes
2answers
6k views

Disk Utility in 12.04 LTS will not let me check the file system partition for errors

I want to check my partition for errors using Disk utility. When I press the "Check Filesystem" button, it says that an error occurred ... device is busy. How can I ignore that error and carry on ...
0
votes
1answer
418 views

My Ubuntu Server filesystem just crashed. Need some help! How to recover files or filesystem?

None of my sites worked, saying that the /tmp/ folder was not writeable. I ssh-ed into the server, and indeed, everyting was read only. I restarted with the fsck flag, and now I get a grub error. ...
2
votes
2answers
821 views

How to check file system at every restart?

My PC restart about 6 to 7 times a days because of electricity fluctuate. So I want to ask: do I have to run fsck/tune2fs tools to check my file system at every restart or do you recommend something ...
6
votes
3answers
4k views

Fsck gets mad when the file system is mounted

When I run fsck -fy in a terminal it says something similar to: WARNING!! FILE SYSTEM MOUNTED!! You will cause seviere damages. Why is that? This might be a little off-topic but I ran that ...
5
votes
3answers
24k views

How to delete/edit files from readonly filesystem

I am having problem with my memory device (actually a memory card that act external memory device like pendrive). experimentx@workmateX:/var/www/zendtest$ sudo rm ...
10
votes
3answers
32k views

Force fsck.ext4 on reboot, but really “forceful”

One of my Ubuntu 10.04 servers is giving me trouble. When I run fsck.ext4 -n /dev/sda5 it tells me there are errors in the free inode count, free block count, and more. I have tried: touch ...
2
votes
1answer
7k views

Errors when performing fsck on encrypted partition in recovery mode

I'm booting in recovery mode Unmount crypto partition. umount /dev/mapper/sda6_crypt and i make fsck -c /dev/mapper/sda6_crypt fsck output: fsck.LVM"_member: not found fsck: Error 2 while ...
4
votes
3answers
1k views

Is it possible to find out which files are deleted during a filesystem recovery check?

Some files/inodes are deleted during filesystem check if corrupted in a way after a system crash. fsck only reports "some inodes were deleted". Is it possible to know exactly what files were deleted ...
26
votes
1answer
12k views

What's lost+found and where did it come from?

I reformatted a hard drive to ext4, planning to use it as a backup drive. After mounting the freshly-formatted drive, I discovered a single empty directory inside it: lost+found. What's the purpose of ...