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Re: GPT backup table, was Re: virtualisation

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On 26 May 2023 11:47, Thomas Schmitt wrote:
> Hi,
> 
> mick.crane wrote:
>>>> root@pumpkin:~# fdisk -l /dev/sda
>>>> Disk /dev/sda: 223.57 GiB, 240057409536 bytes, 468862128 sectors
>>>> ...
>>>> Disklabel type: dos
>>>> ...
>>>> Device     Boot     Start       End   Sectors   Size Id Type
>>>> /dev/sda1  *         2048 466862079 466860032 222.6G 83 Linux
>>>> /dev/sda2       466864126 468860927   1996802   975M  5 Extended
>>>> /dev/sda5       466864128 468860927   1996800   975M 82 Linux swap / Solaris
> 
> Michael wrote:
>> as i interpret this, the disk in questions has a dos partition table...
> 
> Indeed.
> 
> (And as mick.crane already noticed, it is a bit awkward to create an
> extended partiton 2 only to fill it nearly up with logical partition 5.
> I wonder what entity decided to do so.)

IIRC, DOS types are limited to 4 "primary" partitions (or 2 ?), but 
extended partitions have no such limit, and can contain any number of 
others.

Back in the (DOS/w95) days, you would usually create one primary and one 
extended, and populate the extended with as many partitions as you want.
This way was used to avoid making mistakes : how many primary partitions 
do I have in the "root" table ?

It's from memory, so 30 years old ^^

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virtualisation "mick.crane" <mick.crane@gmail.com> - 2023-05-22 20:50 +0200
  Re: virtualisation Dan Ritter <dsr@randomstring.org> - 2023-05-22 21:30 +0200
    Re: virtualisation Mark Allums <maa@allums.com> - 2023-05-22 21:40 +0200
      Re: virtualisation "Andrew M.A. Cater" <amacater@einval.com> - 2023-05-22 21:50 +0200
    Re: virtualisation Dan Ritter <dsr@randomstring.org> - 2023-05-22 22:40 +0200
  Re: virtualisation David Christensen <dpchrist@holgerdanske.com> - 2023-05-23 00:20 +0200
    Re: virtualisation Charles Curley <charlescurley@charlescurley.com> - 2023-05-23 15:10 +0200
    Re: virtualisation David Christensen <dpchrist@holgerdanske.com> - 2023-05-24 00:10 +0200
      Re: virtualisation David Christensen <dpchrist@holgerdanske.com> - 2023-05-24 10:40 +0200
        Re: virtualisation David Christensen <dpchrist@holgerdanske.com> - 2023-05-24 20:50 +0200
      Re: virtualisation Michael <ml@hemathor.de> - 2023-05-26 10:20 +0200
        GPT backup table, was Re: virtualisation "Thomas Schmitt" <scdbackup@gmx.net> - 2023-05-26 11:50 +0200
          Re: GPT backup table, was Re: virtualisation David Christensen <dpchrist@holgerdanske.com> - 2023-05-26 12:50 +0200
          Re: GPT backup table, was Re: virtualisation Michael <ml@hemathor.de> - 2023-05-27 11:40 +0200
            Re: GPT backup table, was Re: virtualisation Dan Ritter <dsr@randomstring.org> - 2023-05-27 17:50 +0200
            Re: GPT backup table, was Re: virtualisation David Christensen <dpchrist@holgerdanske.com> - 2023-05-28 05:20 +0200
          Re: GPT backup table, was Re: virtualisation zithro <slack@rabbit.lu> - 2023-05-27 19:20 +0200
            Re: GPT backup table, was Re: virtualisation Stefan Monnier <monnier@iro.umontreal.ca> - 2023-05-27 20:00 +0200
        Re: virtualisation David Christensen <dpchrist@holgerdanske.com> - 2023-05-26 12:40 +0200
    Re: virtualisation Max Nikulin <manikulin@gmail.com> - 2023-05-25 18:30 +0200

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