Bug#784070: mdadm Software RAID1 with GPT on Debian 8.0.0 amd64 - Does not mount/boot on disk removal

mda ml mdaml9000 at gmail.com
Wed May 13 22:43:42 UTC 2015


I can confrm the bug.
after boot, in intramfs busybox, the array is installed but in inactive
state.
The array can be started with

mdadm --run /dev/md0

the array will start as expected in degraded mode,
but this doesn't solve the issue.
It should be done automatically at boot.


Testing config:
virtualbox with 2 disk (MBR) configured in raid 1
Tried with and without LVM.
Detaching a disk and booting the os fire up busybox.

Fully reproducible

Still working on
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