Re: Renaming md raid and moving md raid to a different machine.

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On 3/20/23 03:35, Reindl Harald wrote:


Am 20.03.23 um 01:34 schrieb Ram Ramesh:
Yes the names must be in the metadata of the md because I populate mdadm.conf after every change by actually using the output from mdadm --detail -scan. Since that comes up with md0/md1/md2, I assume somehow mdadm simply finds them again and again with exact same name.

I do not ever get md127

no - your mdadm.conf is in the initrd because how else should the rootfs could live on the array containing mdadm.conf

Agreed. After I moved the rootfs of the old system to new hardware (a new machine with is two nvme raid1), I booted into it and it did show that the rootfs is on md127. However, after making mdadm.conf entries and update-initramfs, md name changed to /dev/md0. So, it must be what you said.

Regards
Ramesh




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