Re: Some help with dd backing up into an iso
- Date: Tue, 7 Mar 2017 20:53:49 -0800
- From: David Christensen <dpchrist@xxxxxxxxxxxxxxxx>
- Subject: Re: Some help with dd backing up into an iso
On 03/07/2017 12:26 AM, Teemu Likonen wrote:
David Christensen [2017-03-06 21:05:31-08] wrote:
# dd if=/dev/sda | gzip > myimage.img
What's the point of using dd?
gzip </dev/sda >myimage.img
Habit -- I use 16 GB SSD or USB flash drives for my system drives, with
10% under-provisioning. 'dd' allows me to grab just the blocks I need
(via the 'count' option). I also find it reassuring that 'dd' tells me
how many blocks it copied.