Re: Some help with dd backing up into an iso

To: debian-user@lists.debian.org
Subject: Re: Some help with dd backing up into an iso
From: David Christensen <dpchrist@holgerdanske.com>
Date: Tue, 7 Mar 2017 20:53:49 -0800
Message-id: <[🔎] 048ce48a-d90d-8555-d3e2-d7343a501063@holgerdanske.com>
In-reply-to: <[🔎] 87o9xdze4u.fsf@iki.fi>
References: <[🔎] e13fc3a1-b6db-2572-089b-b904e978561d@openmailbox.org> <[🔎] d3c772de-4120-cc0c-e793-c78deb3660b1@holgerdanske.com> <[🔎] 87o9xdze4u.fsf@iki.fi>

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, with10% under-provisioning. 'dd' allows me to grab just the blocks I need(via the 'count' option). I also find it reassuring that 'dd' tells mehow many blocks it copied.



David

Reply to:

References:
- Some help with dd backing up into an iso
  - From: GiaThnYgeia <GiaThnYgeia@openmailbox.org>
- Re: Some help with dd backing up into an iso
  - From: David Christensen <dpchrist@holgerdanske.com>
- Re: Some help with dd backing up into an iso
  - From: Teemu Likonen <tlikonen@iki.fi>

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