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16
votes
6answers
18k 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 ...
15
votes
8answers
70k 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 ...
14
votes
1answer
880 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, ...
12
votes
4answers
44k views

Tool to copy files of HDD with bad sectors

I have an external hard drive that is starting to fail, it has some bad sectors. It's a 1TB Fujitsu Siemens case with a western digital hard drive inside. Eventually I will backup the whole drive ...
11
votes
5answers
7k 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 ...
10
votes
6answers
16k 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 ...
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 ...
9
votes
2answers
4k 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 ...
8
votes
7answers
52k 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 ...
8
votes
2answers
2k 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
694 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
2answers
5k 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 ...
7
votes
1answer
276 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 ...
6
votes
3answers
2k 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
3answers
26k views

External Hard Disk is not accessible. “The disk structure is corrupted and unreadable”

I have a 1 TB AgentGoFlex seagate External HDD. Lately is was causing some issues like few folders which had data were not showing any file in it. Few folders were not opening, etc. So I tried ...
6
votes
4answers
5k views

Equivalent of badblocks on Windows or DOS

Is there a utility in DOS or Windows that is as thorough as badblocks on Linux?
5
votes
4answers
9k 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 ...
5
votes
5answers
10k 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
6answers
11k 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 ...
5
votes
3answers
16k 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
1k 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
3answers
45k views

Will reformatting my hard drive fix bad sectors on it?

Assuming I'm not concerned with the data on it.
4
votes
5answers
31k 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
3answers
56k views

How to isolate bad sectors on a hard disk in Windows 7? [duplicate]

If I know that a hard disk has bad sectors, how can I "mark" them so that Windows 7 doesn't write to them when I copy files and stuff?
4
votes
4answers
5k 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 ...
4
votes
1answer
4k 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
1k 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 ...
4
votes
1answer
812 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
2answers
96 views

Faster recovery from a disk with bad sectors

Recently I tried to dd from an unhealthy HDD to a file. I used dd if=/dev/sdb of=somefile bs=4096 conv=noerror,sync. My problem was that dd wasted a lot of time when it encountered a bad block. In my ...
3
votes
3answers
3k 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
1k 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
226 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
2answers
2k 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 ...
3
votes
1answer
896 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
1answer
177 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
222 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
4k 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
157 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
911 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
3k 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
4answers
2k 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
136 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
2answers
46 views

What happens to sectors marked as bad when HDD is repartitioned? [duplicate]

If I have an HDD with some bad sectors and I format the disk (from Windows) or re-partition the disk, will bad sectors still be marked as bad?
2
votes
2answers
3k views

Clone hdd with bad sectors

I have a 250 gig hdd and a 240 gig ssd. I want to transfer the data from the 250 gig hdd to the 240 gig ssd. I have tried a variety of methods with no success: (keep in mind i can boot perfectly from ...
2
votes
2answers
479 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
1k 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
381 views

GParted reports bad blocks on a new drive?

I have a pretty old Dell Inspiron 1545 laptop that had a failing drive (boots started failing, S.M.A.R.T. parameters showed reallocated sectors), so I used Clonezilla to copy the data to a new drive ...
2
votes
1answer
826 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 ...