Hmmmm
Did not know there was such a thing as dm-raid. It was built up by the installer.
Makes me wonder, should something happen to the MB, will it be problematic to move the discs to another system?
I am assuming if one disk falls, the mdmraid commands to rebuild the array would still be the same
On Tue, Jul 2, 2024, 11:15 Roger Heflin <rogerheflin@xxxxxxxxx> wrote:
Did you build a mdadm raid1 or a dm-raid raid 1?
+imsm means you built a dm-raid device (software raid that the
bios/efi is aware of) and it is slightly different from a normal
mdadm.
If it works and uses the correct device names on each boot up then I
would not touch it.
If you do touch it then you will need to rebuild the initramfs as that
file will be in the initramfs so that it can start up the raid to boot
the node.
On Tue, Jul 2, 2024 at 10:30 AM Javier Perez <pepebuho@xxxxxxxxx> wrote:
>
> Hi.
> I just built an Raid 1 for / , /boot and /boot/efi using the blivet tool during installation.
> Everything works fine so far, but I noticed that the Array lines on mdadm.conf look funny
>
> ====mdadm.conf====
> mdadm.conf written out by anaconda
> MAILADDR root
> AUTO +imsm +1.x -all
> ARRAY /dev/md/Fedora_efi level=raid1 num-devices=2 UUID=e82eff07:23f7fa9f:f3d9814a:f9b7ef81
> ARRAY /dev/md/boot level=raid1 num-devices=2 UUID=ffc4f8f2:9dc1b2de:1bce2836:d1968df7\
> ========end==========
> It does not have the full UUIDs of the partitions, only the last 8 characters.
>
> It caught me by surprise because the mdadm.conf man page says nothing about it.
>
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