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Questions tagged [bad-sectors]

Use this tag when referring to bad sectors on a hard drive. This is similar to bad clusters or bad blocks. Suggested use is for questions about possible failure of a HDD.

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Bad Sector and I/O device error [duplicate]

I've an internal HDD which I use as external drive (using SATA to USB cable). It's 1TB. 2 weeks ago, I was copying data into it and I unplugged the device (during copying) and then plugged it again ...
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HDD - 8 bad sectors [duplicate]

Screenshot from "Disks" utility Screenshot from "Logs" utility fdisk -l /dev/sdb command gives this: fdisk: cannot open /dev/sdb: Input/output error smartctl -a /dev/sdb returns this: smartctl 6.6 ...
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3answers
70 views

How to add bad sectors on dvd video disks

I'm looking for a way to add bad sectors into a video DVD (and it can still be playable on home DVD players), or a manual way using multiple softwares or using Hex editors etc. I know a lot (not ...
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1answer
104 views

Clone hdd with a few bad sectors

I want to clone my hdd before it dies. I have narrowed down the bad sectors to a very small area. It is small but has caused a lot of problems from time to time. When I try to clone, it gets hung up ...
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1answer
289 views

Reallocated sector count high and increasing

I have an old Western Digital HDD which started getting some bad sectors by a bad SATA cable, after replacing the cable I tried to fill the disk with zeroes using dd utility but it kept returning I/O ...
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1answer
207 views

Bad Sector: Do I need to replace my hard disk?

Recently my computer started to behave strangely. It hangs or stops responding suddenly, some known and unknown programs (system applications I think, and others too) starts shutting down all of a ...
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2answers
61 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 ...
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152 views

Why is PhotoRec taking so long and claiming it will take 480,000+ hours to complete pass 1?

So I've got a 3TB hard disk with bad sectors attached to my MacBook Pro 2015 via a USB 3.0 to SATA adapter from Unitek. I'm trying to run PhotoRec (a part of the TestDisk suite) with maybe 10 common ...
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426 views

Even weirder “Error splicing file: Input/output error”

I know this is the n'th question out there on the "Error splicing file: Input/output error" message, but I'm experiencing some behavior inconsistent enough with the other posts I'm reading to merit ...
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89 views

Are there any issues with recovering bad sectors in a HDD?

I'm using the "HDD Regenerator" program, registered version. I want to recover the bad sectors in my HD that has Windows 7 Ultimate OS installed on it. I created a boot-able USB stick to be able to ...
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1answer
254 views

HDD: lost partition table and bad sectors

I have an issue that's been running for the past few days. This weekend, I could use my external (Seagate Backup Plus Slim) HDD just fine, I even put a couple dozens GigaBytes worth of movies on it ...
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1answer
329 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 ...
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195 views

GNU ddrescue, request help on how to proceed for advanced passes

Hello I'm doing an image of an ntfs disk with the GNU utility ddrescue, I made a first pass with the -n option which resulted in an amount of non-scrapped data, a bad-sector amount, a number of bad-...
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60 views

Hard drive SMART error but sector appears readable

TL;DR: Where is my bad sector? Hi, I have a disk that fails its SMART test. There is supposedly a bad sector at LBA 1565541432, but when I try to read that sector with dd, the sector seems to read ...
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35 views

Read only file system after reformatting and repartitiniong

I am facing some issue in my one of hardisk. I have cleaned it completely, scanned it for bad sectors and reformatted it but again it giving me readonly file system error on next day. Here is ...
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2answers
239 views

Can I repair/reuse a dying hard drive?

I have a harddrive that's giving lots of read/write I/O errors, bad sectors, general malfunctioning. It's a 2 TB caviar green Western Digital. The disk is dying, not dead, so it's recognized by my ...
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1answer
172 views

Why can't the last few sectors be included in a partition?

When partitioning with fdisk the last few sectors cannot be included in a partition, as far as I have experienced. I always thought this is due to MiB- or IO-block-alignment, but I just realized that ...
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1k views

Create smaller partition to cope with bad sectors on 2TB HDD

I have a 2TB WD (My Passport Ultra) external HDD that has developed bad sectors, and I want to continue using it for non-essential/non-critical storage (I fortunately recovered all data that was on ...
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3answers
313 views

Leaving bad sectors in unformatted partition?

Laptop was acting really weird, and copy and seek times were really slow, so I decided to scan the hard drive surface. I have a couple hundred bad sectors all clustered up in last couple of gigabytes ...
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1answer
72 views

Sudden decrease of hard drive sectors

After a crash and a reboot I noticed I'm suddenly unable to mount one of my hard drives and got this error message instead block count 488378134 exceeds size of device (488377869 blocks). I got two ...
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50 views

External Hard Drive: Is it bad or still good to use?

I have an external HDD (Seagate Backup Plus 2TB) and it had some problems lately, therefore I had run some test on it and it turned out to have some… problems, if I can call them like that. Below are ...
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1answer
424 views

Which partition does this chkdsk message refers to?

I have a "bad sectored" hard drive and going to back up its data, i decided to run chkdsk /f /r command for fixing errors on most problematic partition and making disk stable for a while. but while ...
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1answer
93 views

S.M.A.R.T pending and offline sectors warning

Here are information on my 8 month armor a 65 external hard drive by HD tune HD Tune Pro: PHD 3.0 Silicon-Power Health ID Current Worst ThresholdData ...
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2answers
382 views

Get a list of files located on a range of potentially bad sectors in NTFS

I have a 3TB hard drive which had 16 bad sectors according to SMART data. I ran a surface test with HDSentinel, which increased that number to about 100. Then I directly copied directories to a ...
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1answer
682 views

How do I find if there are files at a specific bad sector?

I cloned my failing HDD with Clonezilla with --rescue option and it listed many bad sectors. Some bad sectors were 3194529280, 3194529792, 3194530304, 3194530816. How do I find out which if any files ...
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1answer
2k views

CHKDSK Unspecified error occurred (766f6c756d652e63 470) [closed]

I've got a problem with a Lenovo laptop that sometimes it can boot to Windows and mostly it just hang at the Lenovo logo. I tried to boot from USB and did a chkdsk /b /v /f /scan c: and following is ...
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2TB HDD, bad sectors in one area around 3GB, can I safely use it if partitioned beyond that defective area?

My main HDD is a 2TB Seagate ST2000DM001. Recently I got weird issues which turned out to be related to bad sectors (the HDD disappearing all of a sudden from the system, a BSOD with no other likely ...
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37 views

Hd_speed bad sector identification

i ran a software on hard drive, Hd_speed and it gave a log file. that log file gives speed in kb/s of sector. i see 0kb/s in some sectors. Also few hundred kb/s and mostly in thousands kb/s. below ...
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2answers
101 views

Hard Drive Failure - Next Steps and Process

I have a 2TB Barracuda that has some bad sectors (detected via CrystalDiskInfo). When I turned on my computer, I cannot detect my D:, E:, F:... which are all mapped to my failed disk. What I mean is ...
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2answers
64 views

Considering severity of HD S.M.A.R.T. readings

I found out today that my laptop's HD threw a SMART error. I've gone through the motions and did an OS partition clone and backed up valuable data. This is a work machine and I'm on a very tight ...
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15answers
23k 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 ...
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1answer
810 views

How do i find bad sectors on my HDD when Windows 10 native programs/apps/services says there are none?

The situation: Hardware: a Lenovo GS50-80, 1 TB 5400rpm, RAM 12 GB My Window 10 sometimes freezes, sometimes for five minutes, whenever it tries to read certain older files, and it affects ALL of my ...
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1answer
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clonezila reads bad sectors but I don't have any

I am trying to clone my hard disk windows XP home edition , using clonezila live booting from USB. I also checked the option * rescue , but still stops at 6.38% and after a short time clonezila ...
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2answers
311 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 ...
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2answers
791 views

Pending Sector issue. Does this mean the HDD is failing?

My speed fans smart test said I have 5560 pending sectors. Does this mean the HDD is failing? The computer is a Toshiba Satellite P755-S5390 I have had it since 2012. I have recently gotten BSODs so ...
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1answer
1k views

Explain me fsck_hfs output

I am trying to check external USB 3.5" HDD for bad sectors and fix them if possible. $ sudo fsck_hfs -fy -S /dev/disk2 Gives following output: ** /dev/rdisk2 (NO WRITE) Scanning entire disk for bad ...
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306 views

S.M.A.R.T. reporting bad sector, which is bigger than the sector count

I'm trying make a remote backup server, so I installed smartmontools to monitor my Samsung M3 External (USB3) 1 TB disk. I ran a self test on it and it gave back a read error: 5 ...
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423 views

Where do hard disks store spare sector pools for remapping bad clusters?

Modern hard disk firmware is programmed to replace bad sectors with good sectors from the HD's spare sector pool. These are some questions about where physically on an HD this pool might be located. ...
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338 views

Typically how many remapped sectors are allotted per GB by HD vendors?

Some general questions about how much space is used and allotted for replacing bad sectors in modern hard disks: Typically how many remapped sectors are allotted per GB by hard disk vendors? This ...
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2answers
127 views

SSDs are constantly dying in a new PC

I recently got a new PC and assembled all myself. I'm casually gaming on it about 1 or 2 hours every other day. The issue is my SSDs are going bad every few days. First disk worked for a few days and ...
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1answer
4k views

Full Format makes S.M.A.R.T. health return to 100% from 68%

I always have Acronis Drive Monitor installed on my system. My hard drive health has never fallen below 100% in the Acronis Drive Monitor. Recently, I started getting warnings on bad sector being ...
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0answers
625 views

Failing hard drive or bad controller after hard shutdown

After nouveau freezing everything with dual monitor for the millionth time I had to cut power on my macbook pro (mid 2010, fedora 24, SAMSUNG HN-M500MBB hard drive). Wasn't doing anything IO heavy ...
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2answers
144 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 ...
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1answer
1k 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 ...
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Get list of files affected by bad sectors

Cloned a disk with pending sectors to a new drive with Clonezilla using -rescue, then plugged the freshly cloned disk into a working system as a USB drive (I have a USB-to-SATA dock) and ran chkdsk. ...
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Old, rarely accessed folder loads very slow (HDD)

I have this backup folder I created ages ago and when the time comes for my yearly windows reinstall I usually put some of my documents and semi-important files (like save games, configs) in that ...
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2answers
1k views

Full formatting, HDD controllers, and bad-sector locking

We get periodic questions about manually locking and reassigning bad sectors on hard disk drives. There seems to be apparently conflicting information on one aspect of this, the hard drive controller ...
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1answer
869 views

Where do replacement hard drive sectors come from?

If I understand the situation, modern hard drives are responsible for bad sector detection and avoidance. When a sector is written, it is immediately read back to ensure that sector is good, and if it ...
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242 views

Transcend 1TB could not complete chkdsk

I have 1TB Transcend External HDD around 2 years old. In the HDD, there are 3 Partition:- i) Local Disk (J:) [~90GB] - exFAT ii) Local Disk (E:) [~400GB] - NTFS iii) Local Disk (H:) [~488GB] - NTFS ...
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2answers
17k views

What do the current, worst, and threshold SMART values mean?

I have a 2TB internal hard drive that might be failing. It spends several minutes at 100% usage when I first turn it on since I installed Windows 10, and yesterday it reported a corrupted Recycle Bin. ...