Questions tagged [bad-blocks]
The bad-blocks tag has no usage guidance.
103
questions
2
votes
2answers
62 views
re-use of hdd which was wiped, but can not accessed for any further use
I have an HDD which was wiped (not by myself).Maybe a program named killdisk was used. I want to re-use the HDD, but it seems to be "really deleted". I don't want any old data from the hdd.
...
0
votes
1answer
274 views
What Runtime_Bad_Block mean in SMART Attributes? How critical is it?
My SSD has the following SMART Attribute Pre-fail.
What does that mean and how critical is it?
183 Runtime_Bad_Block 0x0013 098 001 010 Pre-fail Always In_the_past 60
1
vote
1answer
70 views
Does badblocks have a ramp when there are no errors?
Before I added a replacement drive to an array, I executed this script to make sure I didn't need to send the replacement back to the manufacturer:
date
badblocks -b 4096 -c 4096 /dev/sdd
date
hdparm -...
1
vote
1answer
114 views
usb stick's broken after badblock with -w option
I have two usb sticks with 8Gb and 128Gb size. For different reasons, I pass badblocks with -svw option, and now both sticks are totally damaged. Every time I want to write on it I have the same error:...
0
votes
0answers
14 views
HDD. How sector, block, cluster related to each other? [duplicate]
I want to buy HDD and External Hard Drive Enclosure. I will connect it to computer via USB. I will write on this HDD system backups, current sound work files backups, sound work files archive. I run ...
2
votes
2answers
211 views
What is the difference between a bad block and a bad sector?
In a couple of resources I encountered the terms "bad sector" and "bad block" when referring to corrupted areas at hard disks, which do not seem to be very different.
I thought ...
2
votes
1answer
275 views
Was my HDD with failed SMART really repaired?
In brief: I want to know if an HDD with failed SMART can be repaired by any means, and if so, is it still reliable enough.
In details: I have a 4 years old 1TB Western Digital HDD (WD10JPVX-08JC3T6) ...
0
votes
0answers
31 views
Bad blocks on two external hard drives with vital data
I have two Western Digital My Passport hard drives (one 2TB and the other 4TB) and the 2TB hard drive was corrupted a few days ago when I accidentally pulled it out of a Macbook just before it was ...
3
votes
1answer
943 views
Do bad clusters on modern (as of 2020) SSD indicate hardware failure?
I've got a Samsung 970 Evo 2TB SSD that has been working perfectly for a year and a half, under a mostly-read load.
Recently, while updating Windows to the 2004 release, the OS got stuck in the ...
0
votes
1answer
67 views
How to recover soft bad sectors
How to get rid of soft bad sectors obtained from cloning a faulty disc?
I have a EFI HDD with some bad sectors from a DELL computer. It's been causing headache for quite some time. So want to replace ...
1
vote
2answers
1k views
Strange HDDSCAN results, consecutive bad blocks
I'm doing VR-Verify;
All bads are consecutive, starting at around ~20-22%, and the percentage hasn't moved for the whole duration of bad blocks.
HDD was quite slow lately, especially on boot, could ...
0
votes
1answer
177 views
How likely is the last block of a drive to be a bad sector?
This is a follow-up question to this one, where zeroing the disk with dd would give me an error towards the very end of the drive.
I then set about trying to determine whether this was a bad sector, ...
0
votes
1answer
2k views
badblocks is taking ages - what am I doing wrong?
I have a 8TB Seagate Archive drive which has a few bad sectors. I can't afford to replace it yet, though. I'm trying to "fix it" with badblocks for the time being, but it's taking ages:
# badblocks -...
1
vote
2answers
2k views
How to scan boot/system drive for bad sectors on Ubuntu machine?
My workstation, an Ubuntu v14.04 (Trusty) machine, has two system boot options. I can run Windows (for protools and music recording), but more often I boot up into Ubuntu for software development work....
2
votes
1answer
222 views
How to emulate disk partition bad blocks in a test file?
I would like to test some disk rescue methods before applying them in real life, in particular the ability for ddrescue to restore bad blocks from several disk copies, assuming one bad block is not ...
1
vote
1answer
4k views
How many bad blocks in a HDD is too many?
I am at my second attempt to get a brand new undamaged HDD (the first attempt yielded a question already) but I am starting to lose hope. The new drive I got is S.M.A.R.T. healthy but has a lot of bad ...
1
vote
0answers
32 views
Strange data corruption on HDD after switching from Windows to Linux
After I have replaced Windows 10 (the laptop has been in use for some time witout any issues) with Kubuntu Cosmic (ext4 over lvm, kernel 4.18.0-16-generic) on a laptop, I have started experiencing a ...
0
votes
1answer
761 views
How does mkfs -c works
I have faulty 3 Tb drive. There's a lot of bad blocks, but it's still has about 2.6 Tb usable space and I'd like to utilize it for trash storage (music, videos, etc.) At first I came across some guy's ...
0
votes
1answer
317 views
HDD SMART test shows read error; should I toss the disk or scan for bad blocks?
After triggering SMART test (long) using smartctl, I have the following smartctl -a output:
smartctl 6.5 2016-01-24 r4214 [x86_64-linux-4.4.0-142-generic] (local build)
Copyright (C) 2002-16, Bruce ...
0
votes
1answer
463 views
How can I attempt to read bad sectors from the end of the disk, using ddrescue?
How can I attempt to read bad sectors from the end of the disk, using ddrescue? I have dynamic volumes and the LDR is kept at the end of the disk, unlike MBR.
I remember that I've tried --reverse but ...
1
vote
1answer
522 views
How to add a sector to the list of badblocks for ext4?
dumpe2fs -b /dev/sdd1
can dump blocks that are known to be bad by ext4.
How do I manually add a block to that list without redoing mkfs ?
0
votes
2answers
2k views
Checking a new disk for bad blocks on Linux, does read-only make sense?
When I issue the following command
sudo badblocks -vs -b 4096 -o badsectors2.txt /dev/sdc1
I get as a response
Checking blocks 0 to 1152784944
Checking for bad blocks (read-only test): 72.37% done,...
0
votes
2answers
411 views
Detecting bad blocks/ sectors on modern (spinning) drives and script to monitor SMART info
I'm currently scanning a number of old drives to detect errors.
If you google detecting bad sectors on a mechanical spinning disk (rather than ssd) you'll usually come across:
windows
chkdsk/r ...
2
votes
1answer
877 views
How to interpret S.M.A.R.T and Badblocks results
I have bought a used SSHD ( Seagate Laptop SSHD - ST500LM000-1EJ162 ) on ebay. Regarding to S.M.A.R.T the disk might be damaged somehow, I am not sure. To correctly interpret the S.M.A.R.T values, I ...
0
votes
1answer
1k views
I can't change SATA hard disk (working in UDMA) to PIO mode in Linux
I'm trying to disable DMA in my SATA 3.5" hard disk drive to work in PIO mode because for recovering some bad sectors from a failing disk with GNU ddrescue
I am using PartedMagic Linux live CD and I ...
1
vote
1answer
977 views
ZFS scrub finds checksum errors, but badblocks and smartctl do not
I have configured a ZFS pool with two drives as a mirror. The operating system is Ubuntu 16.04 and I have been using the zfs 0.6.5 as packaged by the vendor. The drives are 3T WD Green and 3T WD Red (...
-1
votes
2answers
587 views
Badblocks reports “weird value (4294967295) in do_write” when writing patterns
This is the second time that I'm receiving this error running badblocks, approximately 2 years apart from the last time, and the vast majority of factors from hardware (cables, etc.) to software (the ...
3
votes
1answer
1k views
How to start badblocks at a specified portion of the drive
While trying to dd the last few blocks of a 200GB Maxtor IDE hard drive, I run into the following error:
$ dd if=/dev/zero of=/dev/sdc bs=4M status=progress
203901894656 bytes (204 GB, 190 GiB) ...
2
votes
1answer
300 views
partclone via clonezilla - where are the bad blocks logged?
I've just backed up a partition using clonezilla, which in turn employed partclone. During the backup, several blocks were bad and were skipped (it was in rescue mode). Is there a log of these?
12
votes
1answer
13k views
How to test SSDs or NVMe for badblocks'?
With the traditional spinning disks diagnostics is rather easy. If you suspect a drive to be faulty, you can check the SMART values, run a SMART extended test and a badblocks -wsv test. If all three ...
141
votes
16answers
26k views
How can I intentionally break/corrupt a sector on an SD card?
I need to test the resilience of some read/write code for some embedded hardware. How might I sacrifice a few SD cards and break several known sectors for a controlled study?
The only thing I can ...
1
vote
2answers
4k views
ext4 filesystem still has errors after fsck
Suddenly my ext4 file system fell down into read-only mode.
I've unmounted this disk and tried to repair it, but without any success.
fsck tries to fix something but ends with FILE SYSTEM WAS ...
0
votes
2answers
656 views
How to know if bad block is logical or physical?
I cannot read some files from external disk (NTFS system). Windows cannot read from this disk now.
I am just scanning the disk using badblocks (Linux). The program prints a lot of bad blocks.
I ...
0
votes
1answer
1k views
Badblocks and fsck say HDD is clean but Linux marks it as read-only
I'm relatively new to Linux so I'm not sure why this is happening.
I have this one drive that Linux always marks it as read-only partition. At first I thought it was just the OS so I did a clean ...
-1
votes
1answer
766 views
What is AdBlock blocking on my website?
While reading my webpage I noticed that AdBlock was blocking one element. I certainly don't have any ads. Here's the entire source:
<!DOCTYPE html>
<html>
<head>
<title>...
0
votes
0answers
1k views
mkfs.ext4 and mkfs.vfat with same badblock file give me different space
I have a 256GB pendrive with bad sectors, and I get them with this command:
sudo badblocks -wsvf -o 256GB.txt /dev/sdc
But when I use this file (256GB.txt) to format the pendrive I get different ...
1
vote
2answers
229 views
SMART: Is my HDD about to get bad sectors and corrupted data?
I am running gsmartcontrol in Linux.
I ran an extended SMART test. The Health Self-Assessment test returned a value of 'PASSED'. However I am concerned about the possibility of any bad sectors and ...
2
votes
1answer
2k views
How do you securely erase remapped bad sectors on HDD in Linux?
I have run badblocks on my HDD in Linux. No badblocks were found. However some bad sectors may have been previously detected and remapped; if this is the case, the badblocks test would not have found ...
1
vote
1answer
414 views
How long would badblocks take on a 40GB disk? How do I optimize the whole procedure?
I am running badblocks on a 40GB partition checking for errors.It hasn't responded for hours now!
Went through some answers related to this and someone suggested to increase the -c parameter's value ...
-2
votes
1answer
4k views
How do Zero-Fill, Full Format, and CHKDSK fix bad sectors?
I use HD Tune pro error scan to find problems with mechanical hard drives. However, I am confused as to weather these are fixable problems or not. Please clarify weather my statements are accurate:
...
0
votes
1answer
282 views
Writing to bad sector makes every other operation fail afterwards
My hard drive has a few bad blocks, so I'm trying to get a list of them all in order to bypass them when creating a new ext4 filesystem, like this:
badblocks -wsv -o badblocks_sdf.txt /dev/sdf
As ...
1
vote
1answer
216 views
Can data patterns on HDD cause corruption?
I am really baffled that one of my movie files doesn't seem to like Samsung HDDs and I was wondering if certain data patterns can cause or at least favor data corruption over time.
It first started ...
1
vote
1answer
3k views
Is there a good way to scan a drive for bad blocks in the background?
I just got a QNAP TS-251, an NAS that runs Linux plus the manufacturer's tools. One of the setup options is to run a bad block scan, but on a pair of 4 TB drives that might take a really long time to ...
0
votes
1answer
80 views
Retrieve data from a mountable partition refusing `cp` but allowing `dd`
Recently, my internal drive failed after a manual reboot and I would like to retrieve the data before changing it. My computer is a Macbook Pro mid-2012 and the drive is formatted as HFS+. (From my ...
0
votes
0answers
44 views
New external USB HDD cannot copy big files and develops bad blocks
I had an issue with external HDD not being able copy out big files but thought it was due to the bad blocks that they had (here is that question).
But now I have brand new 5Tb that I am trying to use ...
0
votes
0answers
1k views
Input/output error when reading disk
I did a forced shutdown after my computer froze (on Ubuntu). After turning back on I found a "attempt to read or write outside of disk hd0" error, after choosing Ubuntu on GRUB.
I haven then ...
1
vote
1answer
73 views
Is it a hardware failure to have badblocks on HDD
My PC was running slow , I thought that there may be some problem with the hard disk , so I ran badblocks and the process was running for the last 263 hours before I accidentally interrupted it. It ...
0
votes
2answers
867 views
Does it worth to reinstall Windows 7 in the same partition after bad sectors found by CHKDSK in it?
I've executed CHKDSK with both "Automatically fix filesystem errors" and "Scan for and attempt recovery bad sectors" options selected on a system partition of a clean Windows 7 installation.
Wininit ...
0
votes
2answers
338 views
Does having some Bad Sectors indicate that the drive will crash soon?
I have a Hitachi HTS723232L9SA62 320Gb 7200RPM HDD. I checked the SMART status and there are 3 bad sectors, totaling 1.5MB. This means that approximately 0.00046875% of my hard drive has gone bad.
Is ...
0
votes
1answer
346 views
Usefulness of badblock on modern storage media
If I understand it correctly, badblocks just writes somewhat elaborate patterns to the supplied block device and reads it back. With modern hard drives doing extensive caching, sometimes have included ...
