Corruption is a state of a file, a filesystem, etc. where all its data and metadata are not consistent. This tag may be used to reference questions dealing with problems of data recovery after erroneous manipulations or unexpected shutdown.

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0answers
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md raid5: translate md internal sector numbers to offsets

TL;DR summary: Translate an md sector number into offsets(s) within the /dev/mdX device, and how to investigate it with xfs_db. The sector number is from sh->sector in ...
4
votes
3answers
3k views

ReFS but for Linux

Microsoft is going to bring a "Resilient FileSystem" with Windows 8, but only for servers. I'd like that on a Linux desktop, but my search reveals no contender. There are so many filesystems for ...
22
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5answers
6k views

Do journaling filesystems guarantee against corruption after a power failure?

I am asking this question on behalf of another user who raised the issue in the Ubuntu chat room. Do journaling filesystems guarantee that no corruption will occur if a power failure occurs? If this ...
6
votes
3answers
26k views

How to check if a file is corrupt or not?

Are there any general solutions to check if a file is corrupt or not? For example, whether a video file is bad, or a compressed file is corrupt, etc.
4
votes
2answers
12k views

Short read while trying to open partition

On my personal home computer running Kubuntu Linux 13.04 I'm having trouble mounting a partition that is very dear to me. My backup policy is to perform a backup about monthly, so I do have a backup ...
3
votes
0answers
196 views

Do ext(4?) filesystems intrinsically store newer data in a fashion that is more prone to corruption?

I recently had a corrupted ext4 filesystem throwing these errors: kubuntu@kubuntu:~$ sudo mount -t ext4 /dev/sdc2 c1 mount: wrong fs type, bad option, bad superblock on /dev/sdc2, missing codepage ...
2
votes
2answers
1k views

ext4 corruption found in superblock, but filesystem can be mounted

After a crash, I've got an Ext4 filesystem (on an LVM LV) that gives the following error when running fsck.ext4 -nf: e2fsck 1.42.12 (29-Aug-2014) Corruption found in superblock. (blocks_count = 0). ...
0
votes
1answer
33 views

How to recover a node/content from a tarfile that's been overwritten

Disclaimer: I'm not very good at writing questions, and mine is a very specific scenario. So I'm just going to jump straight into the situation: I was browsing my filesystem, and somehow managed to ...
0
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0answers
54 views

My ext4 partition is corruption-prone possibly because of suspend

I'm using an encrypted ext4 main partition on a Lenovo i7 laptop running Ubuntu 14.04 LTS, currently using the 3.13.0-53-generic x86_64 kernel. After running for multiple weeks without shutting down ...