Ask Ubuntu
Ask Ubuntu

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.

67 questions
40
votes
2 answers

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 value
Ivan
  • 809
  • 6
  • 13
  • 18
9
votes
2 answers

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?
anchicka
  • 91
8
votes
3 answers

Fastest way to check for bad sectors in HDD?

I have a bunch of disks, probably 50 or more laying there, I know some of them are broken and some should still work fine, I need a way to check them without wasting days. Do you know any tools besides badblocks, that can do it without taking too…
Computer's Guy
  • 430
5
votes
2 answers

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 ``mount -t "ext4" -o…
Zangar
  • 140
  • 1
  • 2
  • 11
5
votes
1 answer

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), but is there a way to feed badblocks output to…
guest
  • 51
5
votes
3 answers

are both my drives bad? this doesnt make sense

back story.. i took my 2 seagate 32000641AS drives out of an old dns-323 disk array.. i put them in my dell Precision T5600 since the dns-323 was old and becoming a pain to manage. i then created two separate XFS fs on them and mounted them. The…
keith
  • 53
4
votes
1 answer

Fixing bad superblock on SSD drive: Is e2fsck safe to run?

The symptoms: I cannot boot anymore into my Xubuntu 22.04 Linux machine, and here's what happened: At some point my home directory filesystem went into read-only (most likely as a protective measure, from what I can gather). I then rebooted,…
bgoodr
  • 1,612
4
votes
2 answers

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 which I get the response badblocks: Permission denied while…
Someone.
  • 91
3
votes
2 answers

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 showing hidden folders, only displayed 3) and through…
HelpMeee
  • 648
3
votes
1 answer

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 option -c in fsck is doing the same thing.) If I…
Jitsumi
  • 71
3
votes
1 answer

"Disk is OK, 113 bad sectors"

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 I have 113 have bad sectors in my HDD when I just…
durango
  • 33
3
votes
2 answers

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 200000 /dev/sda -o bb_sdc.txt Checking for bad…
Jamie Hutber
  • 614
3
votes
1 answer

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 operation), and got some bad sectors. When I…
pazhosch
  • 51
3
votes
4 answers

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 message unable to access the drive. I am able to…
oshirowanen
  • 4,047
2
votes
2 answers

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.
sushil
  • 21
1
2 3 4 5