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Re: When I back-up .... Coping my Entire Internal HD to an external HD

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From Daniel70 <daniel47@eternal-september.org>
Newsgroups alt.os.linux
Subject Re: When I back-up .... Coping my Entire Internal HD to an external HD
Date Tue, 18 Mar 2025 00:21:20 +1100
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On 17/03/2025 10:49 pm, bad sector wrote:
> On 3/11/25 06:52, Daniel70 wrote:
>> Some time ago, I backed up my Laptop's 500GB internal HD to an 2TB 
>> external HD using (I forget) ... It might have been 'dd' but I doubt it.
>>
>> However, the 500GB Internals Image took up 500GB on the External (i.e. 
>> a byte-by-byte image, even the empty bytes, apparently!).
>>
>> Now, when I look at that External HD using my Win 11 Desk-top, it 
>> doesn't 'see' anything.
>>
>> Is this because Linux is at a 'Higher'/'deeper' level than Windows can 
>> 'see'??
> 
> I would call that a reasonable observation with reference to the users.
> 
>> If I back-up this Win-11 Desktop to the same External HD, is there a 
>> possibility that Win-11 will write itself over the Linux Image?? Or is 
>> Win-11 able to detect that there is 'something' there so will go 
>> looking for the next available UNUSED portion of the External HD??
> 
> dd if=/dev/sdA of=/somepath/mybackup-2025-03-17.dd bs=16M status=progress
> 
> you can also create a partition exactly the same size as the source and 
> then do
> 
> dd if=/dev/sdS of=/dev/sdT bs=16M status=progress
> 
> I got "bs=16M" from Carlos some time ago, speeds it up a bit.
> 
> If you dd'd a partition you can even boot it and use it but remove the 
> source drive before you do because both will have the same UUID. You can 
> also ure a SuperGrub DVD to boot it if you find it difficult. But you 
> can also mount a backup 'file' and look inside it
> 
> mount -o loop /somepath/mybackup-2025-03-17.dd /someotherpath
> 
> If you ever boot such a copy you need to be careful with UUID's but also 
> with /etc/fstab content since other automounted partitions WILL fail to 
> mount unless the edits are first maid.
> 
> It really pays to use removable drive backplane racks, they give you 
> tons of actual physical control that's increasingly being denied users. 
> I just got me an icy-dock model that squeezes 6 ssd's + a dvd into a 
> single 5-1/2 inch external bay and I haven't used ANY fixed internal 
> drives for 3 decades.
> 
I have no intention of ever booting from the Back-up, just wanting to 
save my data .... but thanks for the suggestions. ;-)
-- 
Daniel70

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When I back-up .... Coping my Entire Internal HD to an external HD Daniel70 <daniel47@eternal-september.org> - 2025-03-11 21:52 +1100
  Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-11 13:16 +0100
    Re: When I back-up .... Coping my Entire Internal HD to an external HD Daniel70 <daniel47@eternal-september.org> - 2025-03-11 23:34 +1100
  Re: When I back-up .... Coping my Entire Internal HD to an external HD "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2025-03-11 08:21 -0400
    Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-11 15:57 +0100
      Re: When I back-up .... Coping my Entire Internal HD to an external HD "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2025-03-11 11:23 -0400
        Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-12 00:31 +0000
          Re: When I back-up .... Coping my Entire Internal HD to an external HD Java Jive <java@evij.com.invalid> - 2025-03-12 13:15 +0000
        Re: When I back-up .... Coping my Entire Internal HD to an external HD TJ <TJ@noneofyour.business> - 2025-03-14 11:19 -0400
          Re: When I back-up .... Coping my Entire Internal HD to an external HD "R.Wieser" <address@is.invalid> - 2025-03-14 16:47 +0100
            Re: When I back-up .... Coping my Entire Internal HD to an external HD TJ <TJ@noneofyour.business> - 2025-03-14 14:47 -0400
              Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-14 23:39 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "R.Wieser" <address@is.invalid> - 2025-03-15 07:50 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-15 06:58 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-15 04:02 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-15 22:20 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-15 20:29 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-16 01:18 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-15 22:44 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-16 06:33 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Dan Purgert <dan@djph.net> - 2025-03-17 08:57 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2025-03-17 16:05 +0200
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-17 19:23 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-17 15:21 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E. R." <robin_listas@es.invalid> - 2025-03-17 22:04 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-17 23:19 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2025-03-19 16:45 +0200
                Re: When I back-up .... Coping my Entire Internal HD to an external HD ant@zimage.comANT (Ant) - 2025-03-19 16:05 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-19 21:00 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-20 03:04 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-20 22:02 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-21 11:50 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-21 12:21 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-24 00:50 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-24 14:23 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-20 12:24 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-20 22:01 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-21 11:51 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-21 10:16 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-22 13:52 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-22 14:18 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-22 23:20 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-24 23:20 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-25 12:55 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-26 00:27 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2025-03-20 11:07 +0200
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-20 12:29 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-19 14:14 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-19 21:18 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2025-03-20 10:51 +0200
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-20 12:22 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD TJ <TJ@noneofyour.business> - 2025-03-20 20:35 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-21 11:55 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Joerg Walther <joerg.walther@magenta.de> - 2025-03-21 16:24 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-22 06:58 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-22 04:29 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-22 22:00 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-23 02:01 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-24 00:43 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD TJ <TJ@noneofyour.business> - 2025-03-21 16:37 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-22 06:57 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-22 14:00 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD TJ <TJ@noneofyour.business> - 2025-03-22 09:42 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-22 15:20 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-22 14:00 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-22 20:34 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-22 22:02 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-22 23:22 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-24 00:42 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-17 23:18 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "R.Wieser" <address@is.invalid> - 2025-03-15 09:08 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-15 13:37 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "R.Wieser" <address@is.invalid> - 2025-03-15 19:22 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-15 14:57 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "R.Wieser" <address@is.invalid> - 2025-03-15 21:06 +0100
    Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-11 19:56 -0400
  Re: When I back-up .... Coping my Entire Internal HD to an external HD Richard Kettlewell <invalid@invalid.invalid> - 2025-03-11 18:16 +0000
    Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-11 20:03 -0400
      Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-12 15:12 +0100
        Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-12 14:56 -0400
  Re: When I back-up .... Coping my Entire Internal HD to an external HD bad sector <forgetski@_INVALID.net> - 2025-03-17 07:49 -0400
    Re: When I back-up .... Coping my Entire Internal HD to an external HD Daniel70 <daniel47@eternal-september.org> - 2025-03-18 00:21 +1100
      Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-17 11:54 -0400

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