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Questions tagged [sectors]

The tag has no usage guidance.

2
votes
2answers
419 views

Realocated Sector Count showing weird number

As can be seen on the screenshot below one of my hard drives is showing a weird count for sectors. Should I be worried about the disk dying? It's been running like this for four years. Could this be ...
3
votes
1answer
2k views

GPT PMBR Size Mismatch will be corrected by w(rite)

Linux gives error "GPT PMBR size mismatch will be corrected by w(rite)." The error message is far from self-explanatory. Does this mean that Linux will (attempt to) resize the GPT partition ...
2
votes
1answer
317 views

Could there be data loss on hard drive due to reallocated sectors?

The SMART data for one of my hard drives indicates that it has some reallocated sectors. I've read that a bad sector will only be reallocated on a write operation (meaning the original data is being ...
1
vote
1answer
2k views

Cloning a 512 sector size to Advanced Format WD Black drive

I have a old WD Black drive that is not Advanced Format. Due to it having one bad sector in a unused area I need to clone it to a new hard drive to avoid losing data. Unfortunately the same model of ...
1
vote
1answer
54 views

Recover Bootable USB disk data

I have a bootable USB disk. There is a program in the USB disk for controlling a micro-controller. Yesterday my friend did a big mistake. He connected the disk to his laptop, and after creating backup ...
1
vote
1answer
902 views

Boot Sector Missing in External hard drive

Yesterday I needed to copy some data from my girlfriend's laptop to mine. To do so I just copied my whole data from my external hard drive to my PC and used the hard drive for data exchange. After ...
0
votes
1answer
34 views

Converting Logical sector to CHS tuple on an SSD

I'm getting myself used to x86 assembly, so I figured I'd start with some 16-bit programs. To test myself, I'm creating a program that will load data off a disk, copy it to memory, and then use it for ...
0
votes
1answer
221 views

Is it possible for the filesystem's logical block size to be less than the physical sector size?

Let's say we have a block device (eg. Hard Drive) with 4096 bytes sector size and no 512 bytes emulation is available (The hard drive only understands units of 4096 bytes size). Is is possible to ...
0
votes
1answer
108 views

Wiping only part of a partition on an HDD

I have an HDD which has failed in my NAS, and which I want to return to the manufacturer. I want to remove the data first since I had not encrypted the drive. The drive is recognized by Windows and ...
3
votes
0answers
464 views

Bad sectors in RAM, fixed or not?

So I have blocked some bad memory range from RAM memory. My Question is the next one, I have done it right? Here you have the info: C:\Windows\system32>bcdedit /set badmemorylist 0xFC 0xFD 0xFE ...
2
votes
0answers
557 views

Getting a 4TB USB drive (4k native sector size) to work with Xen and Windows 2008 guest

I am trying to get a new 4TB Seagate USB drive to work with Xen 6.2 and a Windows 2008 R2 virtual guest. The Xen host sees the drive fine, fdisk -l lists it with the correct capacity, etc. I can ...
1
vote
0answers
55 views

How to spot or match the specific sector of the DVD disc in the movie?

I've been checking the condition of DVD discs with VSO Inspector. Most of time, it doesn't show any errors on the discs. However, when there's an error on a disc, sometimes it shows that there's an ...
1
vote
0answers
44 views

Do new USB flash drives use advanced format (AF)?

I just want to know if that new feature (AF - advanced format) on some hard drives, is present on flash (USB external disk) drives as well. I'm a little bit confused because a simple check on /dev/...
1
vote
0answers
227 views

Is it possible to find out which sectors are pending without full disk read?

I want to get a list of sectors that are reported as pending in the S.M.A.R.T. value 197 (С5) Current Pending Sector Count. Any chance to get it without resorting to a full surface scan?
1
vote
0answers
501 views

Remapping bad sectors from sectors not in the spare sector pool

For common flash controllers what happens when the spare-sector pool runs out and a bad-sector is found? Will a flash controller (any form factor) remap failing sectors to non-allocated sectors in the ...
1
vote
0answers
771 views

What are the differences between Host Protected Area (HPA), Device Configuration Overlay (DCO), and service area of a HDD/SDD?

I'm confused about the differences between the Host Protected Area (HPA), Device Configuration Overlay (DCO), and the service area of a HDD or SSD. From what I gather on the wiki pages, disks can have ...
1
vote
0answers
949 views

Can a USB pen drive have sector size > 512 bytes?

Hard-disks, these days, can have sectors sized from 512 to 4096 bytes. I would like to know if the same is also possible with USB removable storage media (flash drives, or pen drives). Context: I ...
1
vote
0answers
205 views

GRUB: ELF sectors outside core

I just recently installed Xubuntu 12.04. Instantly after installing it I updated all my packages, however one package, grub-pc, failed to install. I'm not sure what caused it to fail, but here is the ...
0
votes
0answers
16 views

Is it possible to fix number of sectors in the USB enclosure?

I have a LUKS-encrypted external USB hard drive (1TB HGST Touro S). If I put the drive into the new USB enclosure, it reduces the number of sectors by 1 and I cannot mount the filesystem anymore. Is ...
0
votes
0answers
204 views

Emulate 512-byte sectors with Xen

Anyone know how to make Xen 6.2 emulate 512-byte sectors when exposing a drive to a virtual guest? This would allow exposing native 4kB sector drives to older virtual guests like Windows 2003/2008 ...