GENERAL HARDWARE SUPPORT IS OFF-TOPIC. Questions about hardware should be asked on https://superuser.com. A hard drive is a physical storage device used to save state for operating systems and individual software programs. Questions should relate to reading and writing via programming.
Questions tagged [hard-drive]
649 questions
4
votes
1 answer
Understanding Hard Disk Sector Size
I'm currently developing a kernel mode driver that interacts with raw disk operations.
I wish to understand more about the concept of Sector Size.
Is a sector size a constant value per physical drive that was set when the HDD was manufactured ?
Or…
Michael
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4
votes
6 answers
Emulate hard disk in .NET
Is there a way to emulate a disk drive in .NET, intercepting read/write/lock operations?
I would like to create something with a front-end similar to GMail Drive in C#.
Thanks,
Tom
Tom
4
votes
2 answers
Python Filling Up Disk
I need to setup some test conditions to simulate a filled up disk. I created the following to simply write garbage to the disk:
#!/usr/bin/python
import os
import sys
import mmap
def freespace(p):
"""
Returns the number of free bytes on…
james_dean
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votes
1 answer
How can I access the raw data of a drive from within vb.net?
How can I access the raw data of a drive in vb.net? I plan on making a filesystem, but I need raw disk access.
I'm meaning something like this:
Dim data(255) As Byte
data = ReadSector("C:", 5)
data(125) = asc("h")
data(126) = asc("e")
data(127) =…
Daffy
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4
votes
5 answers
c# - How to list all files and folders on a hard drive?
I want to list all files and folders that my program has access to and write them to a text file. How would I get the list? I need a way that will catch or not throw UnauthorizedAccessExceptions on folders that are not accessible.
derp_in_mouth
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4
votes
6 answers
How can I find the Harddisk Device Serial Number without using the WMI in .NET?
I want to get the hardwired serial number from the hard disk but NOT using WMI. I tried using WMI code, and it doesn't work on my machine for sure. So is there any alternative in .NET for finding the Serial Number of a physical hard disk?
Jey Geethan
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4
votes
2 answers
Assembly - Read next sector of a virtual disk
As any programmer in the world at least once in his/her life, I am trying to create my "revolutionary", the new and only one operating system. :D
Well, I am using a virtual emulator (Oracle VM Virtual Box), for which I create a new unknwon operating…
ali
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4
votes
1 answer
Disk Throughput - new file vs. existing file using dd
I wanted to measure my disk throughput using the following command:
dd if=/dev/zero of=/mydir/junkfile bs=4k count=125000
If the junkfile exists, my disk throughput is 6 times smaller than if junkfile does not exist. I have repeated that many times…
Amir
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4
votes
1 answer
Python - Reading directly from hard drive
I want to read bytes directly off a hard drive, preferably using python. How can I do this, provided it is even possible. Also, can I write directly to a hard drive, and how?
I want to do this to make a complete clone of a hard drive, and then…
adisander
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votes
3 answers
Get hard disk temperature using Python
I would like to get the temperature of a hard disk using Python (under Linux). I'm currently calling hddtemp with subprocess.popen, but I call it often enough that it is a performance bottleneck in my script. I think it should be possible to do…
mrtasktat
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3
votes
1 answer
Restore PostgreSQL database from mounted volume
My EC2 database server failed, preventing SSH or other access (not sure why ... grrr AWS ... that's another story).
I was able to make a snapshot of the EBS root volume. I can not boot a new instance from this volume (I'm guessing the boot partition…
lubar
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3
votes
2 answers
Listing physical drives installed on my computer
Possible Duplicate:
How to list physical disks?
What is the "best way" (fastest) C++ way to List physical drives installed on my computer? Is there a boost library to do that?
smallB
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3
votes
1 answer
Development kits for OPAL SSC full-disk encryption
I am looking for development kits or utilities to interact with and test OPAL SSC full disk encryption. I could get it working from BIOS, but that makes R&D tricky. Please pass along any helpful tips or utilities.
The question would be answered if…
Konrads
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3
votes
2 answers
How to get unallocated space info in a physical disk
Can anybody help, how to get unallocated space information in a disk using C# ?
Nick
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votes
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Does Mac OS UUID depend on hard disk?
I use this code to get UUID on Mac OS
NSString* getComputerId()
{
io_registry_entry_t ioRegistryRoot = IORegistryEntryFromPath(kIOMasterPortDefault, "IOService:/");
CFStringRef uuidCf = (CFStringRef)…
user486134
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