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Groups > alt.os.linux > #81092 > unrolled thread
| Started by | Daniel70 <daniel47@eternal-september.org> |
|---|---|
| First post | 2025-03-11 21:52 +1100 |
| Last post | 2025-03-17 11:54 -0400 |
| Articles | 3 on this page of 83 — 15 participants |
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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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| From | bad sector <forgetski@_INVALID.net> |
|---|---|
| Date | 2025-03-17 07:49 -0400 |
| Message-ID | <3-KcnTuWcO7-kUX6nZ2dnZfqnPidnZ2d@giganews.com> |
| In reply to | #81092 |
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.
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| From | Daniel70 <daniel47@eternal-september.org> |
|---|---|
| Date | 2025-03-18 00:21 +1100 |
| Message-ID | <vr97kj$75bu$1@dont-email.me> |
| In reply to | #81124 |
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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| From | Paul <nospam@needed.invalid> |
|---|---|
| Date | 2025-03-17 11:54 -0400 |
| Message-ID | <vr9gkb$ercp$1@dont-email.me> |
| In reply to | #81126 |
On Mon, 3/17/2025 9:21 AM, Daniel70 wrote: > 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. ;-) Only you can do the work, Obiwan. We can't see what you've done from here. I can place a 500GB file on a 2TB partition, and I can analyze it later with "disktype some.file" and see what is inside the file. If what is inside the file resembles a hard drive, disktype will burst forth with a summary of the old disk drive layout. If there are file systems inside the file, a user can use a loopback mount, with a byte offset value, and that will allow reading or writing the partition *inside* the 500GB file. If the disk had been "dd" cloned to a second disk, then things like "gnome-disks" should see the file system sitting on the 2TB drive. Even disktype can see it (but should not be needed, as the OS does the analysis for us). sudo disktype /dev/sdb You have all the tools you need, at your disposal, to "determine what is inside a thing". Paul
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