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13
votes
6answers
14k views

How do I determine what file occupies a given sector?

I have a hard drive with 3 bad sectors. I know the sector numbers and the computer can still boot into Windows. I want to run sector repair from an HDD diagnostics tool from the manufacturer, but ...
13
votes
6answers
54k views

Fix bad blocks on Mac hard disk

I have a hard disk that I scanned with TechTool and it reports one bad block. As far as I can tell, TechTool only scans and reports a failure. It doesn't fix anything. Back in the day, Norton Disk ...
12
votes
1answer
543 views

Can prematurely powering down a computer cause bad sectors in a hard drive?

Q1: Can forcibly powering off a PC without using the built-in shutdown/reboot functions, cause a HDD to accumulate bad sectors? Whether it be the result of BSODs, lockups, crashes, etc. Q2: If so, ...
11
votes
5answers
5k views

How to erase a hard drive with unwritable sectors?

So I have a hard drive that is failing. I want to erase the data on it before sending it for replacement. I'm trying to use dd if=/dev/zero of=/dev/sdXX, but it stops at the first write error. How can ...
9
votes
4answers
31k views

Tool to copy files of HDD with bad sectors

I have an external HDD that is starting to fail, it has some bad sectors. It's a 1TB fujitsu siemens case with a western digital HDD inside. Eventually I will backup the whole drive with some ...
9
votes
3answers
2k views

Bad Sectors on Hard Drive

I run check disk pretty regularly on my hard drive, and lately it's been saying that I have some bad sectores (66, to be exact). I've run smartctl and HD Tune. Both tell me that I have bad sectors and ...
8
votes
2answers
1k views

Unable to Write Zeros to Bad Sectors/Hard Disk Not Counting Reallocated Sectors

I have a drive that is reporting that the current pending sectors is "45". I have used badblocks to identify the sectors and I have been trying to write zeros to them with dd. From what I understand, ...
8
votes
1answer
492 views

Find files affected by bad blocks with md-raid5 and LVM

I've been doing a lot of research on this topic over the last few weeks - and I think I'm close to completing my recovery, as much as is possible at least. To make a long story short, I'll just ...
7
votes
6answers
13k views

Full physical hd check

I would like to run a full, sector-by-sector, physical check on some external hard drives. As far as I know,chkdsk does not supply this option. Is there a workaround under chkdsk, or a good ...
7
votes
2answers
1k views

Trying to remove/diagnose single Current_Pending_Sector in S.M.A.R.T. data

I'm in a process of doing a fresh Linux install and before I went to do that I thought that it is a good time to verify HDD health since I can safely overwrite any data on the HDD if needed. First ...
7
votes
2answers
4k views

How can I resize an NTFS partition when there are bad sectors?

I want to extend a partition, but in between the partition and the un-allocated space, there is a large NTFS partition in which Windows is installed. When I use GParted to try and move the NTFS ...
6
votes
3answers
1k views

How can I generate a list of files from a list of sectors?

I've had a hard disk failure and managed to rescue some data from the disk (1TB) with GNU's ddrescue. The last 800GB of the disk were perfect, no single error, but in the first 200GB there were almost ...
6
votes
4answers
4k views

Equivalent of badblocks on Windows or DOS

Is there a utility in DOS or Windows that is as thorough as badblocks on Linux?
6
votes
1answer
198 views

How bad are bad sectors?

How bad are bad sectors on a hard drive really? If a tool (e.g. disk utility from ubuntu/gnome) reports bad sectors on a disk, what is the expected time to death? (assuming the bad sector did not ...
5
votes
7answers
36k views

How to force a remap of sectors reported in S.M.A.R.T C5 (Current Pending Sector Count)?

The S.M.A.R.T C5 value of my Samsung HM640JJ Hard Drive (in an HP Pavilion dv6 laptop) is "yellow status = caution" C5 was 10 yesterday, and it's 21 today. C4 (Reallocation Event Count) = 0 and 05 ...
5
votes
6answers
8k views

Hard Drive Bad Sector marking utility [closed]

I already have Windows XP, During installing Ubuntu(dual boot) the disk drive just stuck up at one place and doesn't seem to move ahead.. Is there a disk bad sector mark utility that just marks these ...
5
votes
3answers
13k views

Does cloning a hard drive also copy over errors like bad sectors?

For example, I have Windows 7 on a hard drive where SMART reports "many bad sectors". If I buy a new hard drive, and attempt to clone over Windows to the new hard drive, will that fix the problem so I ...
5
votes
1answer
905 views

Finding the file that is on a bad block on a HFS+ volume (debugfs for HFS+)

I have a drive in our iMac that has bad blocks, as booting from an Ubuntu 11.10 live CD and using ddrescue -f /dev/sda /dev/null finds them. I'd like to get the drive to remap them by writing to the ...
4
votes
5answers
29k views

External Hard Drive bad sectors recover/mark utility in linux

I've just installed the new version of Ubuntu, Karmic Koala, in my laptop. Everything is fine, except for the fact the system identified about 300 bad sectors in my 1TB external hard drive. I'd like ...
4
votes
6answers
1k views

What is the fastest way to mark bad sectors *without data recovery*?

I have an out of warranty laptop that has an hdd with bad sectors. I say that because chkdsk /r got stuck for over 24 hours at certain %. I also left GRC's SpinRite running for 4 days. It is my ...
4
votes
1answer
3k views

How do I determine what file occupies a given sector in Linux?

In Linux, I'd like to know how to find the file(s) if any which as using a particular sector on the hard drive (ext2/3). There is a similar question here regarding Windows, however I need a Linux ...
4
votes
1answer
622 views

Bad sectors in external HDD

I've had this external HDD for around 3 years give or take 6 months. For the last month or so, it was pretty slow but it worked. A few files couldn't be copied onto my system but files could be ...
3
votes
4answers
5k views

Fixing bad sectors

My SATA HDD (Hitachi DeskStar 7K160) seems to have 1 bad sector. Is it possible to try to fix it? I checked Hitachi's drive tools and all of them are diagnostic tools, so I don't know how much help ...
3
votes
3answers
37k views

will reformatting my hard drive fix bad sectors on it?

will reformatting my hard drive fix bad sectors on it? assuming im not concerned with the data on it....
3
votes
3answers
2k views

Could SATA communication issues cause the hard drive to reallocate sectors (thus causing system hangs or crashes)?

My laptop seems to have a bizarre problem with the hard drive. The system operates without problems for several months, then the hard drive begins to cause problems, with sector reallocations causing ...
3
votes
4answers
774 views

88 bad sectors recovered - a warning or red alert?

Yesterday on my Thinkpad W520 I've noticed I was unable to load up my VMWare image due to some disk read error. VMWare suggested it may be because of disk failing, so I took it seriously. The disk is ...
3
votes
4answers
216 views

Dig a couple of files from the restore partition

I got a couple of system libraries corrupted because of bad sectors on my Windows 7 Packard Bell laptop. The libraries are present, but exactly 4Kb in each is garbage now. They belong to certain apps ...
3
votes
2answers
1k views

Scandisk on a USB-attached laptop drive?

I'm trying to capture an image of this laptop, and it consistently fails (at 54%) with a CRC error. My first thought is to put the HDD in a USB enclosure and scandisk it from my workstation. IIRC, ...
3
votes
1answer
398 views

CHKDSK /R turns Perfect HDD Seagate 3TB to 0.7TB (marks the rest has bad)

Before I explain the problem, let me tell you what's not the problem. I don't have problems formatting or seeing the drive has 3TB, so please avoid this issue. So, now the problem. I had this drive ...
3
votes
0answers
441 views

Reading bad blocks from hard disk too slow in Linux

I'm trying to recover data from an old 320G hard drive (full of bad sectors) to a new one. I found that ddrescue is a good tool for this task due to it's smart algorithm. I have already done this once ...
3
votes
1answer
164 views

What is wrong with my HDD?

The first value marked in yellow is seen in the picture and the other is: Current pending Sector Count Current:100 Worst:100 Threshold:0 Raw Values:000000000003 Whatever this problem is, is making ...
3
votes
0answers
209 views

How do I determine what file occupies a given sector in Mac OS X?

There are similar questions for Windows and Linux, but I need this on OS X. The filesystem is HFS+, journaled. I have a sector LBA, I could find where a partition starts with gpt (though it refuses to ...
2
votes
5answers
3k views

Check Bad Sectors on hard disk in windows 7

Is there a true and reliable application that can detect if my harddisk health is good or not? I installed fresh windows 7 today and it seems that the computer is not respoding sometimes or kinda ...
2
votes
4answers
107 views

Laptop shuts after 5/10 seconds (sometimes) <del>(May be due to bad sectors in HDD)</del>

I've Sony VAIO laptop (model VPCEA23EL). Mostly I use it for internet usage and as an entertainment system, sometime for minor programming (No DB or No VM are installed). I do keep it on for 24 X 7 ...
2
votes
4answers
823 views

Are all bad blocks the same on a HDD?

I don't know much about the physics behind bad blocks on a HDD, but I've often seen that a "bad" block turns to good when you overwrite it with something (anything, zeroes will do). I've even written ...
2
votes
4answers
1k views

is it safe to copy data from hard disk having bad sector

My one of the HDDs got lot of bad sectors. Thus it was responding very slow. I used HDDRegenerator and fixed/marked them. Now I am able to use data properly. Sometimes I feel that files take long ...
2
votes
2answers
108 views

What does a file system scan really do?

How do file system scans (like CHKDSK or fsck) really work? I know there are full applications with lots of options, but how do they scan for "bad" sectors? What are they doing when scanning? How do ...
2
votes
4answers
2k views

Interpreting Hard Drive status from S.M.A.R.T. results

I had Windows running CHKDSK on a drive at boot recently, I had to cancel every time because it took more than a day once and I didn't have that much time. I immediately backed up the data and ...
2
votes
2answers
376 views

One Bad Sector on new HD

I've bought a new drive (Samsung 840 Pro SSD), and upon connecting it disk-utility is showing it as having one bad sector. Is that reasonable for a new disk, or should I return it? Thanks!
2
votes
2answers
853 views

Could other hardware be responsible for bad sectors on my hard drive?

I have a Gigabyte P67A-UD3-B3 motherboard. There is a single hard drive (a cheap Seagate Barracuda drive) attached to it over SATA3, and AHCI is enabled in the BIOS. Recently, the drive started to ...
2
votes
1answer
2k views

Fix “bad” NTFS Partition

I have two hard drives. The goal is to move the data from drive B to drive A so I can re-purpose drive B. TL;DR section at bottom. Read all of it for the details. Drive A contains Windows 7. Windows ...
2
votes
1answer
784 views

Installed Ubuntu 11.10, getting hard disk health warnings

I'm getting hard disk health problem warnings... When I click the "examine" button the disk utility pops up. None of my drives are reporting any major issues, and the very first drive doesn't even ...
2
votes
4answers
4k views

How to *quickly* get a list of files that have bad sectors/blocks/clusters/whatever?

My wife's Windows 7 (64-bit) box has suddenly developed a SMART "disk is bad" status. I'm attempting to copy everything off (no admonishments about lacking a backup regimen, please, I know already ...
2
votes
2answers
1k views

Fixing bad sectors on Apple Snow Leopard

I'm running Snow Leopard and have found some bad sectors on my hard drive. Looks like I'm in need of a fix here. How do I go about fixing these bad sectors? Is there a program or tool that I can use ...
2
votes
2answers
1k views

S.M.A.R.T. broken sectors

Recently I received my hard drive (LaCie) that I've sent away for warranty, my disk failed, and I used Palimpsest Disk utility to check if anything was wrong in the S.M.A.R.T Status. And it said that ...
2
votes
0answers
568 views

How to change hdd read error timeout?

I'm recovering data from an hdd using ddrescue. With "retry" disabled, it takes roughly 30 seconds for every unreadable sector. The hdd has tens of thousands of bad sectors and the process is taking ...
2
votes
1answer
808 views

How long will badblocks -vws run?

I'm running badblocks -vws /dev/sda on a new 80GB laptop drive to make sure the disk is good. So far it's completed 2 passes and is working on it's third. How many passes does it normally make?
2
votes
2answers
209 views

Possible hard-drive problems, …but maybe not

I have a dell e1505 (inspiron 6400 I think) with many many problems. Its screen broke (twice), USB has mostly stopped working, the sound card seems to occasionally freeze the computer, and I thought ...
1
vote
5answers
7k views

How to do a low-level format

I have a hard disk which has some bad sectors on it. And it said when I booted in Linux mint that I already need to replace the hard disk. But I don't have yet the money. I'm just a student. How do I ...
1
vote
3answers
881 views

Hard drive shuts down after accessing a particular sector

My Windows has been freezing and bluescreening after startup recently. After trying to copy out the data I determined the problem -- the hard drive seems to shut down after accessing a particular ...