Probably a newbie-type question but I've never moved a bootable btrfs
os between two drives before so if anyone has any suggestions on
best-way it would be highly appreciated :)
I have a machine with 2 nvme drives, both have a Leap installation,
both btrfs, both bootable thru efimanager selection as well as grub2.
The nvme0 is 15.1, nvme1 is 15.0. I am going to upgrade the 15.1
installation to 15.2. Before I do that, I want to move/copy the
existing 15.1 installation to nvme1, overwriting the existing 15.0
installation. There are other partitions on both drives which will
remain where they are, and thus there is no extra available space on
either drive. For speed-of-drive reasons, I can not just install the
new 15.2 over the 15.0, I want it on nvme0.
df -h tells me the 15.0 os total partition size is 60G, while the 15.1
to overwrite it is bigger at 69G. Actual used space of the 15.1 os is
24G says df.
How best to move the 15.1? I have an available empty 128G usb stick
if an intermediary device is needed.
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