Corrupted blocks on a filesystem. Blocks are a unit of division on a filesystem.

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3
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1answer
165 views

Does my hard-drive have bad sectors or not?

I got a new drive and I'm confused if smartctl detects bad sectors or not. Both short and extended self-tests completed without error. But the Error Log indicates Uncorrectable error in data for 96 ...
0
votes
1answer
77 views

How to check integrity to HDD with UDF format

I'm having problem with a USB external drive, which seem to be formated with UDF and was being used for MAC and Windows (or at least that is what told). When I attached the HDD to my Linux system ...
1
vote
1answer
32 views

Bad blocks only with extension cord?

My external hard drive was acting strangely, so I ran badblocks, and it seemed that nearly every block was bad from the first minute I ran it. If I did badblocks -v > file, the file was over 100MB ...
6
votes
2answers
556 views

Does a bad sector indicate a failing disk?

My Ubuntu 13.10 system has been performing very poorly over the last day or so. Looking at the kernel logs, it appears that the <1yr old 3TB SATA disk is having issues with a particular sector: ...
1
vote
0answers
415 views

badblocks and “end_request: I/O error” in output

I have 500GB disk in my toshiba laptop, I tried to do backup of files in this HDD but it failed few times (ubuntu just closed copying operation or unmounted disk during copying files). So I boot my ...
5
votes
3answers
928 views

How can I check for bad blocks on an LVM physical volume?

When you're using ext4, you can check for badblocks with the command e2fsck -c /dev/sda1 # or whatever. This will "blacklist" the blocks by adding them to the bad block inode. What is the equivalent ...
0
votes
2answers
97 views

ECC on a single block device

I have an SSD that I suspect failing silently now and then. I have run badblocks on it and it is clear that it is not bad sectors but might instead be some race condition in the electronics, in which ...
1
vote
0answers
109 views

How to blacklist bad blocks from a MD-raid + dm-crypt + ext4?

I have a ext4 partition, on top of a dm-crypt, on top of a MD-RAID 10. One partition (/dev/sdc1) dropped out of the array with a ton of read errors. I ran the manufacturer provided diagnostic tool ...
1
vote
1answer
1k views

Extremely long time for an ext4 fsck

The problem that I am having is the extremely long time that fsck is taking. I have thoroughly made searches on Google, but I could not find anything that would resolve the problem. The command that ...
2
votes
2answers
2k views

How to interpret badblocks output

The man pages for badblocks do not seem to mention what the three numbers in the output mean in particular: Pass completed, 7 bad blocks found (7/0/0 errors) Pass completed, 120 bad blocks found ...
2
votes
1answer
150 views

Can MD cope with a badblock list?

I have a MD drive set in RAID6 configuration with LVM2 on top. One of my drives was faulted last night due to bad blocks. Now apart from the fact that I am aware I should physically replace the drive, ...
3
votes
1answer
858 views

manufacturer's tool found bad blocks, but smartctl doesn't show any

Description of my problem is quite large, so first I will give a short summary, then I will precisely describe the situation. Short summary: manufacturer's diagnostic tools found and repaired some ...
3
votes
1answer
226 views

UBI bad block management

Anyone know what happens when UBI uses up all its reserved PEBs that are reserved for bad block management? For example say I have a UBI volume that has 14 PEBs reserved # ubinfo -d 1 ubi1 Volumes ...
5
votes
1answer
642 views

Is interrupting badblocks risky?

I'm running badblocks to check for bad segments on an external drive, and it's been about an hour and it has not yet finished. Now, I need to go and consider cancelling. Is this somehow risky? Should ...
10
votes
4answers
6k views

Linux - Repairing bad blocks on a RAID1 array with GPT

The tl;dr: how would I go about fixing a bad block on 1 disk in a RAID1 array? But please read this whole thing for what I've tried already and possible errors in my methods. I've tried to be as ...
2
votes
3answers
1k 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 ...
5
votes
1answer
1k views

How to view bad blocks on mounted ext3 filesystem?

I've ran fsck -c on the (unmounted) partition in question a while ago. The process was unattended and results were not stored anywhere (except badblock inode). Now I'd like to get badblock ...
1
vote
2answers
288 views

Why is badblocks segfaulting?

I am trying to check a mounted partition to see if the drive has errors: [root@virtuality ~]# /sbin/badblocks -v /dev/sdb1 Segmentation fault Uh oh. What does this mean? Why is badblocks ...
10
votes
1answer
4k views

How do you use badblocks?

I can never remember the specific incantations for using badblocks, and apparently google isn't much help either. Yes I could read the man page but I remember it's like 4 options I have to use to get ...