In computing, the term raw disk is used to refer to hard disk access at a raw, binary level, beneath the file system level.
Questions tagged [raw-disk]
10 questions
8
votes
1 answer
Booting raw-disk windows 10 vm in virtualbox boots to grub shell
I have a dual-boot setup with Windows 10 and Kubuntu 18. Following instructions found from here and there I managed to get the Windows to run as guest in Kubuntu host as a VM using VirtualBox.
sudo usermod -a -G disk $USER
VBoxManage…

runs on clozapine
- 141
- 2
- 9
3
votes
1 answer
Filesystem VS Raw disk benchmarking in C
I am doing some benchmarking (on OS X) to see how the use of file system influences the bandwidth etc. I am using concurrency with the hope to create fragmentation in the FS.
However, it looks like using the FS is more efficient than raw disk…

user1553136
- 328
- 5
- 17
1
vote
1 answer
Linux Get physical location from file and write contents
I want to get the physical location of linux file, /root/f.txt and write(overwrite) some contents of file
File is /root/f.txt
lsblk command output:
# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
fd0 2:0 1 4K 0…

nilesh.b
- 486
- 3
- 9
1
vote
0 answers
Writing directly to disk using PhysicalDrive0
I'm trying to write directly to an offset on a disk (I'm running it inside a virtual machine, but nontheless) using the following code:
int main()
{
OVERLAPPED overlapped;
char DataBuffer[] = "AAAAAAA";
HANDLE dHandle =…

t0m9er
- 143
- 2
- 11
1
vote
1 answer
How to read plain data sectors (Mode1) from a CD on OS X
I am trying to read the plain 2048 byte sized data sectors from a data CD on OS X.
But when I open a device such as "/dev/disk8", I get sectors of 2352 in size, with a 16 byte header before each sector's actual Mode1 data.
Even with the BSD tools…

Thomas Tempelmann
- 11,045
- 8
- 74
- 149
1
vote
0 answers
VirtualBox RawDisk error : VERR ACCESS DENIED
I'd like to boot VirtualBox to the external hard drive I have that runs Windows 8 To Go, as the computer running virtual box is one that I can't boot to the drive during certain hours, but I'd still like to be able to interact with the OS on that…

schizoid04
- 888
- 1
- 11
- 27
1
vote
2 answers
Correcting VirtualBox raw disk VMDK file after resizing a partition
I have a Windows 8.1 installation on second partition of my second HDD (/dev/sdb2 in Ubuntu) created using the command
VBoxManage internalcommands createrawvmdk -filename sdb2.vmdk -rawdisk /dev/sdb -partitions 2
Everything worked just fine -…

Kyselejsyreček
- 459
- 1
- 3
- 16
1
vote
2 answers
Windows, opening a raw disk
I'm trying to read bytes from a raw disk. (Windows 7, VS 2010.)
I get a value of -1 for hDisk (which I assume is an error).
How can I get the real data?
#include "stdafx.h"
#include
#include
#include
#include…

fadedbee
- 42,671
- 44
- 178
- 308
0
votes
1 answer
Write raw disk bytes in Python
I am looking for a way to write raw bytes into a disk image using Python. For example, I have an list containing several characters and I need to write all those characters in different parts of my disk.
In my Python script I need to do something…

fborges22
- 313
- 3
- 14
0
votes
0 answers
Adding the RDMs across SCSI controllers for MSCS VMs via PowerCLI
I’m trying to refer below link for importing the csv and using the data to attach the RDM in MSCS environment.
[Distributing RDMs across SCSI controllers when adding hard disks via PowerCLI
I have got the all useful information to export the csv…

HanLin
- 1
- 2