Questions tagged [badblocks]

Tool for searching bad blocks in block devices and partitions. Use for questions about the tool badblocks or to repair bad blocks on devices.

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Ubuntu 18.04.4 remove lvm devices in /dev/mapper without vg and lv info

These day,I found the one cpu load high $sudo top %Cpu0 : 7.0 us, 0.0 sy, 0.0 ni, 93.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st %Cpu1 : 10.6 us, 0.0 sy, 0.0 ni, 0.0 id, 89.4 wa, 0.0 hi, 0.0 si,...
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I can't install ubuntu , due to my old hard drive

I have old hdd whenever I install ubuntu on these it crashes in between , sometimes it's called bad sector or sometimes read only file system. I installed a month ago on same drive before this is ...
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2answers
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Fixing bad sectors of a hard drive

My hard drive is partly visible (only 4.1 GB of 2TB) in "Disks" and has a bad sector. I have tried using the smartmontools to check for bad sectors and then used badblocks -svn /dev/sda for ...
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External Hard disk (NTFS) unable to mount

I have a problem with my Transcend 1Tb HDD. It is my backup disk (I haven't partitioned it) with lots of data and i am unable to mount it to my Ubuntu 20.04 system. I suspect the problem is due to ...
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How to speed up badblocks

It has been 50h and it is only 0.04% of the way through... Which if my maths is correct means it will be finished after another 2,000,000h (not real maths) hutber@hutber:~$ badblocks -svw -b 4096 -c ...
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Bad boot error and superblock [duplicate]

I was about to spend the next 3 hours playing CSGO, but the Steam client wouldn’t launch. I tried launching it from the command line interface, but there was an error saying that ~/.steam/error.log ...
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338 views

Bad blocks reported by the kernel, none to be found after scanning

Recently a system that I mainly use over SSH stopped working. I rebooted it and it showed error messages (sorry, didn't take a photo) saying the disk needed to be checked. I checked the disk with fsck ...
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Force mount NTFS partition (damaged blocks)

Apparently my hard disk has decided to get damaged and my Windows NTFS partition is not accessible. I have a dual boot, but the Windows one would not initialise (maybe not solvable). I will more ...
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116 views

Creating ext4 filesystem on 20TB Raid5 is still running - has it stalled or is this a very long process?

I have a 20TB (4x5TB) RAID5 aray (please hold comments about RAID5, I know a lot of people don't like it) that I recently setup, through Webmin, on 18.04.3LTS ubuntu server. I am not creating the ...
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Can not “zero” my drive with dd

I was "zeroing" my drive with the dd tool when I get this input/output error: Is my drive good for trash or is there a way to fix it please? Thanks a lot for your answer :) sudo dd if=/dev/zero of=/...
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memory device: reason for bad blocks and how to fix it

I have a 64G micro SSD that is corrupted. I had put it into a device that can handle only 32G. Question: can this damage the SSD, and if so, how would that happen? I have run the badblocks command, ...
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How to prevent 'check disk for defects' to run

I had some bad blocks within my hard drive lately but I was able to repair them . I'm trying to install Ubuntu on my Hard drive ( which is empty ) but I don't get the Grub Interface thing , it ...
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Can bad sectors cause ubuntu installer to freeze?

Shortly after selecting installation type (full/minimal) and clicking continue the installer freezes and doesn't proceed to next step. The HDD has 91 bad sectors could that be the reason? I also ...
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149 views

dosfsck seems to hang after bad cluster message

I used the following terminal command to fix bad sector on /dev/sda5 partition I have which is FAT32 sudo dosfsck -w -r -l -a -v -t /dev/sda5 after running for a long time it displayed the ...
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1answer
2k views

Mark ext4 blocks as bad manually without trying to read/write

I have a 10-years old 320 Gb HDD which I've used as an external drive, and it traveled with me for much of those 10 years. Needless to say, it survived more than a few falls (including those while in ...
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Test tools to detect bad sectors on hard disk? [duplicate]

I recently bought a new 1TB hard drive and I would like to do a couple of tests before I start using it (I prefer to know if there are problems or there may be problems now before it is too late). ...
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616 views

Would you please help me to fix badblocks on my hard drive?

I just ran this command: sudo badblocks -svvn -c 262144 /dev/sda -force And the result was: Pass completed, 274 bad blocks found. (246/0/28 errors) Would you please help me to know if these blocks ...
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How to tell why drive is remounting read-only

I have a Lenovo laptop with an SSD and Ubuntu 18.04. The root partition keeps remounting read-only, according to the console messages. Except it won't read when it happens, either, just giving I/O ...
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External hard drive keeps powering down

Is it possible to prevent an external hard drive from powering down? I left the drive on over the night for a large download, but when I checked it in the morning, the download failed with the ...
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1answer
793 views

Error message using SMARTCTL for fixing bad sectors on HDD

I have tried to fix the bad sectors of an external HDD following the advice of user228505, that is, installing smartctl sudo apt-get install smartmontools then executing sudo smartctl --all /dev/...
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can't read superblock on /dev/mapper/veracrypt1

I have scoured the web, including veracrypt official forums for this and nothing. It's almost like support does not exist for this issue. When I go to mount the partition, it spits out this error: ...
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Parted input/output error while making a new GPT table

I have damaged usb drive. Tried making a new table with GParted, not finishing the operation. also tried with parted, it's printing input/output error while making GPT table. scanned with badblocks ...
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221 views

Formatting read-only usb with badblocks

I have a usb stick that suddenly started mounting read-only. I was going try and reformat it (e.g. with gparted) but wouldn't let me as it's mounted read only. Also (optimistically) tried zero-ing it (...
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How to install/use “icheck” and “ncheck” in Ubuntu 16.04

I want to use icheck and ncheck commands to find files stored on specific HDD blocks (instruction). I installed the command via sudo apt-get install icheck but this packages is A tool for ...
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Possible bad hard disk recovery

My friend had some important files on an internal HDD, and asked for help after his laptop suddenly freezed, restarted and won't boot again on Windows. HDD was still listed in BIOS. In Windows, if i ...
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93 views

Slow Read or Slow Write affects all drives

I am running Ubuntu 16.04 with RocketRaid 2720SGL HBA board that I have updated the firmware to take the RAID handler out and just use the ports. There are two ports on the board that will allow a ...
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Bad sectors, maybe a dupe?

I'm on ubuntu 16.10. As of today, I opened the disks tool and noticed my HDD has 1225 bad sectors, no worries. Five minutes later the count went to 1570. Three minutes later it went to 1767. I'...
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How do i update e2fsck?

Recently, after a sudden power failure, my 1tb hard drive (/dev/sda1) failed and will not mount. It says, Error mounting /dev/sda1 at /media/zangar_/4b84d62b-520d-408e-addc-7a2bf52cc4e3: Command-line `...
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1answer
78 views

Beginning of the partition (~3GB) deleted with “badblocks” command. Is data recovery possible? [duplicate]

I executed badblocks -wsv on my windows partition to check for badblocks. I relatively quickly realized I executed it in destructive mode so I aborted the process and only ~3GB of the partition were ...
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434 views

My 'file system consistency check' (fsck) retured the following results, what does it mean?

My system was giving a message that the hard-disk have errors, then I slow-formatted (zeroed) the hard-disk and after that ran the following command, sudo fsck -y -f /dev/sda1 which returned the ...
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845 views

Problems with one of my hard drives

Using Ubuntu 14.04 for a year in this computer. Lately I've noticed that listing files in Nautilus were slow. After a reboot I got I message something like Cannot mount My_Disk, Skip, Manual... ...
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1k views

How much time does it take to zero-out hard disk of 500gb?

I'm seeing a blank screen with cursor(underscore) at the top left. My laptop is accessing the hard disk continously. It's been around 15 minutes.
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3k views

How to mark bad sectors in Disk Utility?

I have some bad sectors on my drive, but when I open disk utility using: gnome-disks It won't let me mark them, or do anything with the driver except benchmark it and format it! Please help, my ...
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2answers
16k views

Hard drive won't mount

Running sudo fdisk -lu returns the hdd I want to mount as Disk /dev/sdb but when I try to mount it from KDE Partition Manager it doesn't show some directories when I try to set up a path (tried ...
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184 views

Partition Errors and Remounts Read-Only when Accessing Specific File

I have a pretty basic system running Ubuntu 16.04, 1 HDD, running a few partitions: sda1 - EXT4 - 100G - / sda2 - EXT4 - 723.5G - /home sda3 - NTFS - 100G - (windows) sda5 - SWAP - 8G Whenever I ...
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3answers
559 views

Problems restoring damaged sectors on hdd

I have some problems with my laptop hdd, due to a lack of electricity during a critical update. Since then, I have been able to reboot with little to no further issues, but recently, possibly due to ...
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2k views

Constant messages on I/O error on same sectors

I have the following messages on console They say: ata1.00: status: { DRDY ERR } ata1.00: error: { UNC } blk_update_request: I/O error, dev sda, sector 1476687273 usbhid 6-1.2.3:1.1: couldn't find ...
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1answer
3k views

Is there a way to use badblocks with btrfs?

I have a hard drive with bad sectors that I've found using badblocks and whatever Windows uses. I have Lubuntu installed on btrfs, and it's running smoothly for now (where Windows would freeze up), ...
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1answer
2k views

is it possible to recover bad blocks?

I have a 500Gb Internal HDD and from dmesg's output i got this "wonderful" news: [ 324.434832] end_request: I/O error, dev sde, sector 4715026720 [ 324.434838] Buffer I/O error on device sde1, ...
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1answer
628 views

Is information about a filesystem's bad blocks preserved after formatting a partition?

I have a drive with bad blocks. The filesystem is aware of them, and I read that you can feed e2fsck with a badblocks repport to inform the file system that there are some bad blocks. (I think the ...
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1answer
293 views

Booting issue & Boot-Repair not working

I have problems with booting Ubuntu 14 on my computer. Normal booting ends to grub rescue mode (can't read something from hard drive). Actually only way I have managed to boot my computer is to use ...
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2k views

Is my hard-disk doomed?

SMART Data & Self-Tests Overall Assessment reports for both disks Disk is OK. What does this mean? According to the following two screenshots is my hard disk doomed?
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1answer
180 views

Laptop with bad blocks won't repair [closed]

I received a Dell Inspiron 1545. It was corrupted when I got it, and I have been able to successfully install Lubuntu. But when I try to install windows, it gives me an error. I have figured out ...
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2k views

My ubuntu is corrupted

I have a dual boot - Ubuntu and windows 7. I recently wass playing around in the ubuntu and used the 'dd' command and it kinda corrupted my linux file system. I exactly dont know what happened to ...
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Unmarking bad block on a drive

I had gotten root kitted and gone through and zero wiped all my drives. my ssd where I assume had the rootkit installed is reporting a bad block. I went and checked with badblocks and it reported 0 ...
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6k views

errors were found while checking the disk drive for /home

I'm having a problem with booting into my Ubuntu computer. The screen stuck at boot with the message errors were found while checking the disk drive for /home. After that, I enter the command that ...
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1answer
29 views

Compaq Presario SR1123WM, HELP? [duplicate]

1GB memory, 90% free 70GB HDD 7200rpm, Intel Celeron (P) 330 2.66 GHz 533 FSB installed Ubuntu 14.04.1 LTS 32 bit. It is slower than prior Windows XP 32bit OS. what is wrong? may I improve ...
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2k views

How can I correct logical bad sectors in HDD in Ubuntu?

During boot time I found that my hard disk had logical errors in different sectors. I did my research and ran this command: sudo badblocks -sv /dev/sda1 > bad-blocks-result This command created a ...
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1answer
13k views

“Disk is OK, 113 bad sectors” [duplicate]

So, lately I've been having issues booting up Ubuntu and having to go into grub and do a recovery boot and I'll have issues saying "i/o errors in dev/sda" or something along those lines and I noticed ...
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11k views

how to check badsector on ext4 6TB

how to check bad sector on HDD 6TB koko@Rumah:~$ sudo badblocks -v /dev/sda2 [sudo] password for koko: badblocks: Value too large for defined data type invalid end block (5751976960): must be 32-bit ...