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Pi 4 to 5?

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  Pi 4 to 5? Paul Hardy <p.g.hardy@btinternet.com> - 2026-06-13 08:16 +0100
    Re: Pi 4 to 5? Marco Moock <mm@dorfdsl.de> - 2026-06-13 10:58 +0200
      Re: Pi 4 to 5? Paul Hardy <p.g.hardy@btinternet.com> - 2026-06-13 16:15 +0100
    Re: Pi 4 to 5? druck <news@druck.org.uk> - 2026-06-13 20:56 +0100
      Re: Pi 4 to 5? Paul Hardy <p.g.hardy@btinternet.com> - 2026-06-15 10:27 +0100
      Re: Pi 4 to 5? 🇵🇱Jacek Marcin Jaworski🇵🇱 <jmj@energokod.gda.pl> - 2026-06-15 11:50 +0200
        Re: Pi 4 to 5? druck <news@druck.org.uk> - 2026-06-16 22:57 +0100
          Re: Pi 4 to 5? 🇵🇱Jacek Marcin Jaworski🇵🇱 <jmj@energokod.gda.pl> - 2026-06-17 00:08 +0200

#38015 — Pi 4 to 5?

How portable are Pi SD cards between Pi generations? I have a current
OpenMediavault system using a Pi4, system on SD card, and data on a USB
RAID disk pair. I have a spare Pi5. If I clone the SD card, will it boot
the Pi5, retaining the OMV system, and recognise the USB disk data?

I realise it would have different MAC address and I’d need to sort IP
access. Anything else needing to change?

-- 
Paul at the paulhardy.net domain

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#38016

Am 13.06.26 um 09:16 schrieb Paul Hardy:
> How portable are Pi SD cards between Pi generations? I have a current
> OpenMediavault system using a Pi4, system on SD card, and data on a USB
> RAID disk pair. I have a spare Pi5. If I clone the SD card, will it boot
> the Pi5, retaining the OMV system, and recognise the USB disk data?

Depends on the OS. Which one do you have?

> I realise it would have different MAC address and I’d need to sort IP
> access. Anything else needing to change?

DHCPv6 DUID might also be an issue if you use that for static assignments.

-- 
Gruß
Marco

Spam bitte an abfalleimer2001@stinkedores.dorfdsl.de

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#38017

Marco Moock <mm@dorfdsl.de> wrote:
> Am 13.06.26 um 09:16 schrieb Paul Hardy:
>> How portable are Pi SD cards between Pi generations? I have a current
>> OpenMediavault system using a Pi4, system on SD card, and data on a USB
>> RAID disk pair. I have a spare Pi5. If I clone the SD card, will it boot
>> the Pi5, retaining the OMV system, and recognise the USB disk data?
> 
> Depends on the OS. Which one do you have?

It’s OpenMediaVault 8.3.1-3 (Synchrony), which is based on Debian 13
(Trixie). 

>> I realise it would have different MAC address and I’d need to sort IP
>> access. Anything else needing to change?
> 
> DHCPv6 DUID might also be an issue if you use that for static assignments.

Not knowingly. I’m largely IP v4 here. 

-- 
Paul at the paulhardy.net domain

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#38018

On 13/06/2026 08:16, Paul Hardy wrote:
> 
> How portable are Pi SD cards between Pi generations? I have a current
> OpenMediavault system using a Pi4, system on SD card, and data on a USB
> RAID disk pair. I have a spare Pi5. If I clone the SD card, will it boot
> the Pi5, retaining the OMV system, and recognise the USB disk data?

It wont boot on the Pi 5 unless you were already using a 64 bit variant 
of the OS on the Pi 4.

With Raspbian up to the Pi 5 you could use the same card on any Pi as 
long as it had been upgraded to have a suitable kernel for each of the 
different generations, as the userland was compatible with all 32 bit chips.

However the Pi5 does not support 32 bit privileged modes, so you have to 
upgrade the OS, although it can still run 32 bit userland programs.

> I realise it would have different MAC address and I’d need to sort IP
> access. Anything else needing to change?

As you'll be installing a fresh OS, pretty much everything will change 
except your data.

---druck

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#38023

druck <news@druck.org.uk> wrote:
> It wont boot on the Pi 5 unless you were already using a 64 bit variant 
> of the OS on the Pi 4.

OpenMediaVault has only supported 64 bit ARM for several years now, so
that’s not a problem.

I’ll wait until the current flurry of updates passes (presumably from AI
pen-testing) and then try doing the move. 

Regards,

-- 
Paul at the paulhardy.net domain

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#38024

W dniu 13.06.2026 o 21:56, druck pisze:
> With Raspbian

Now it is called "Raspberry Pi OS", quote:

> Raspbian was first developed by Mike Thompson and Peter Green as an independent and unofficial port of Debian to the Raspberry Pi.[5] The first build was released on 15 July 2012.[6] As the Raspberry Pi had no officially provided operating system at the time, the Raspberry Pi Foundation built on the work by the Raspbian project and began producing and releasing their own operating system images of the software.[7] The Foundation's first release of Raspbian, which now referred both to the community project as well as the official operating system, was announced on 10 September 2013.[3]
> 
> On 28 May 2020, the Raspberry Pi Foundation announced a beta 64-bit version. However, this version was not based on Raspbian, instead taking its user space software from Debian.[8] When the Foundation did not want to use the name Raspbian to refer to software that was not based on the Raspbian project, the name of the officially provided operating system images was changed to Raspberry Pi OS.[8] This change was also carried over to the 32-bit images that they distributed, though it continued to be based on Raspbian.[8] The 64-bit version of Raspberry Pi OS was officially released on 2 February 2022.[9]

, source: art. under title: "Raspberry Pi OS", section "History", by 
authors of eng. wiki, access today, URL:

<https://en.wikipedia.org/wiki/Raspberry_Pi_OS>

-- 
Z totaliztycznym salutem!
Jacek Marcin Jaworski,  Pruszcz Gd., woj. Pomorskie, Polska 🇵🇱, UE 🇪🇺;
tel.: +48-609-170-742,   najlepiej w godz.: 5:00-5:55 lub 16:00-17:25;
<jmj@energokod.gda.pl>, gpg: 4A541AA7A6E872318B85D7F6A651CC39244B0BFA;
Domowa s. WWW:                             <https://energokod.gda.pl>;
Mini Netykieta:         <https://energokod.gda.pl/MiniNetykieta.html>;
Mailowa Samoobrona:             <https://emailselfdefense.fsf.org/pl>.
UWAGA:
NIE ZACIĄGAJ "UKRYTEGO DŁUGU"! PŁAĆ ZA PROG. FOSS I INFO. INTERNETOWE!
CZYTAJ DARMOWY: "17. Raport Totaliztyczny - Patroni Kontra Bankierzy":
<https://energokod.gda.pl/raporty-totaliztyczne/17.%20Patroni%20Kontra%20Bankierzy.pdf>

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#38038

On 15/06/2026 10:50, 🇵🇱Jacek Marcin Jaworski🇵🇱 wrote:
> W dniu 13.06.2026 o 21:56, druck pisze:
>> With Raspbian
> 
> Now it is called "Raspberry Pi OS", quote:

It's always going to be Raspbian to me, a much better name, and it's 
still the best term to search for.

---druck

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#38039

W dniu 16.06.2026 o 23:57, druck pisze:
> 
> It's always going to be Raspbian to me, a much better name

True! But we do not decide about this. So I think I will respect this 
rebranding.

BTW: On the 2025 fall, I rebranding my WWW site: I change energokod.pl 
to energokod.gda.pl . Because gda.pl is first Gdańsk/Danzig domain. And 
I live near it in Pruszcz Gdański/(Danzig) Praust. I mention this, 
because I also want this rebranding to be respected.

-- 
Z totaliztycznym salutem!
Jacek Marcin Jaworski,  Pruszcz Gd., woj. Pomorskie, Polska 🇵🇱, UE 🇪🇺;
tel.: +48-609-170-742,   najlepiej w godz.: 5:00-5:55 lub 16:00-17:25;
<jmj@energokod.gda.pl>, gpg: 4A541AA7A6E872318B85D7F6A651CC39244B0BFA;
Domowa s. WWW:                             <https://energokod.gda.pl>;
Mini Netykieta:         <https://energokod.gda.pl/MiniNetykieta.html>;
Mailowa Samoobrona:             <https://emailselfdefense.fsf.org/pl>.
UWAGA:
NIE ZACIĄGAJ "UKRYTEGO DŁUGU"! PŁAĆ ZA PROG. FOSS I INFO. INTERNETOWE!
CZYTAJ DARMOWY: "17. Raport Totaliztyczny - Patroni Kontra Bankierzy":
<https://energokod.gda.pl/raporty-totaliztyczne/17.%20Patroni%20Kontra%20Bankierzy.pdf>

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