Re: GPT backup table, was Re: virtualisation

From	David Christensen <dpchrist@holgerdanske.com>
Newsgroups	linux.debian.user
Subject	Re: GPT backup table, was Re: virtualisation
Date	2023-05-28 05:20 +0200
Message-ID	<GAf6N-bVkm-1@gated-at.bofh.it> (permalink)
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On 5/27/23 07:42, mick.crane wrote:
> On 2023-05-27 10:33, Michael wrote:
>> On Friday, 26 May 2023 11:47:04 CEST, Thomas Schmitt wrote:
>>> (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.)
>>
>> on my debian 11 test vm with default installation it is exactly the same:
>>
>> root@debian11test:~# fdisk -l /dev/sda
>> Disk /dev/sda: 20 GiB, 21474836480 bytes, 41943040 sectors
>> Disk model: VBOX HARDDISK   Units: sectors of 1 * 512 = 512 bytes
>> Sector size (logical/physical): 512 bytes / 512 bytes
>> I/O size (minimum/optimal): 512 bytes / 512 bytes
>> Disklabel type: dos
>> Disk identifier: 0x2e739d33
>>
>> Device     Boot    Start      End  Sectors  Size Id Type
>> /dev/sda1  *        2048 39942143 39940096   19G 83 Linux
>> /dev/sda2       39944190 41940991  1996802  975M  5 Extended
>> /dev/sda5       39944192 41940991  1996800  975M 82 Linux swap / Solaris
>>
>> greetings...
> 
> I just installed bookworm on another SSD disk.
> The installer said it was going to partition the disk one for the / and 
> another for swap
> After the installation the extended partition was there.


That sounds like d-i did what you told it to do:

https://www.debian.org/releases/stable/amd64/ch06s03.en.html#di-partition

6.3.4.2. Guided Partitioning

All files in one partition


> Is this some attribute of pre formatted SSDs


Unlikely.


> I didn't zero the disk as my old systemrescueCD CD failed to 
> successfully boot.
> I'll get a more recent copy.
> mick
> 


d-i includes a rescue shell.  You can use dd(1) to zero disks.


David

Thread

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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