All Questions
7
questions
1
vote
2
answers
6k
views
Why does dd give me an error at the end of zero-writing a disk?
I'm running Cygwin on Windows 7.
I was using the following dd command to securely erase a 1TB mechanical disk:
dd if=/dev/zero of=/dev/sde bs=4M status=progress
About 2 and a half hours into the ...
- 13.1k
2
votes
1
answer
8k
views
Is the blocksize important when wiping a disk with dd and zeros
I used
dd if=/dev/zero of=/dev/sda bs=4096
For wiping a disk.
Can be the blocksize a security risk or is it just speeding the thing up.
Sorry for my bad english
- 171
1
vote
1
answer
1k
views
How to securely erase HPA, DCO, and any bad sectors of a SCSI HDD
Does dd if=/dev/zero of =/dev/cciss/c0d0 bs=1M wipe over the HPA, DCO, and any bad sectors?
- 1,740
5
votes
1
answer
16k
views
Securely wiping a drive with DD, /dev/zero or /dev/urandom?
I have to securely wipe all data from a hard drive as I'm going to give it away. I plan on using the dd under linux utility to do so, after a little bit of research, I found two ways of doing so:
dd ...
- 245
15
votes
3
answers
40k
views
Complete wiping of hard drive - shred, wipe or dd?
I need to wipe all data of a number of hard drives, from Ubuntu Linux. I have found three command line tools: shred, wipe and dd. It seems kind of random what people recommend. Sometimes someone ...
- 1,499
3
votes
2
answers
3k
views
Difference between DBAN and dd command to securely wipe a HDD
I have read about dd and see that it can be used to securely wipe a HDD. But there is also a program called DBAN to wipe the HDD as well.
I know that using a live gnu-linux ISO I can wipe my HDD by ...
- 1,147
4
votes
2
answers
5k
views
Checking if any data exists on a presumably empty storage device
So, say you've completed a full pass of:
dd if=/dev/zero of=/dev/sdX bs=1M
Then, you'd like to make sure the destination has been really zeroed out (ignoring the confirmation messages from dd and ...
- 1,469