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From: Jesper <Vitsky.kasperski@gmail.com>
Newsgroups: comp.sys.raspberry-pi
Subject: Re: Move bookworm system from SSD to NVME
Date: Fri, 16 Aug 2024 11:04:26 +0200
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On 01.08.2024 21:38, Björn Lundin wrote:
> On 2024-08-01 21:02, Jesper wrote:
>> On 01.08.2024 20:29, Ahem A Rivet's Shot wrote:
>>> On Thu, 1 Aug 2024 19:50:20 +0200
>>> Jesper <Vitsky.kasperski@gmail.com> wrote:
>>>
> 
>> But I still do not know what a command that clones both sda1 and sda2 
>> to NVME should look like. Please?
> 
> Really? It is given to you more than once
> 
> dd if=/dev/sda of=/dev/nvme0n1 bs=1m
> 

Now I have the nvme installed and showing in a lsblk command.
Booted from a SD-card and did a few tries to copy the system from SSD to 
nvme.
First there was a complaint about the switch "1m". Changed it to "1b" 
and got a complaint about missing permission to open SDA (the SSD I want 
to copy from). Threw a sudo at it, and it ran for maybe half an hour, 
until it stopped with error "writing nvme0n1, No space left on device".
The SSD and the nvme have the same size, and that seems to be a problem.
  Bright ideas are welcome :-)

Below I have copied in what happend in the command line:
raspberrypi@raspberrypi:~ $ lsblk
NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
sda           8:0    0 238.5G  0 disk
├─sda1        8:1    0   512M  0 part /media/raspberrypi/bootfs
└─sda2        8:2    0   238G  0 part /media/raspberrypi/rootfs
mmcblk0     179:0    0    58G  0 disk
├─mmcblk0p1 179:1    0   512M  0 part /boot/firmware
└─mmcblk0p2 179:2    0  57.5G  0 part /
nvme0n1     259:0    0 238.5G  0 disk
raspberrypi@raspberrypi:~ $ dd if=/dev/sda of=/nvme0n1 bs=1m
dd: invalid number: ‘1m’
raspberrypi@raspberrypi:~ $ dd if=/dev/sda of=/nvme0n1 bs=1b
dd: failed to open '/dev/sda': Permission denied
raspberrypi@raspberrypi:~ $ dd if=/dev/sda of=/nvme0n1
dd: failed to open '/dev/sda': Permission denied
raspberrypi@raspberrypi:~ $ sudo dd if=/dev/sda of=/nvme0n1 bs=1b
dd: error writing '/nvme0n1': No space left on device
107929249+0 records in
107929248+0 records out
55259774976 bytes (55 GB, 51 GiB) copied, 1476.65 s, 37.4 MB/s
raspberrypi@raspberrypi:~

Best regards
-- 
Jesper