mdadm created software raid volumes disappeared after reboot
Issue
- after reboot, software raid volumes no longer available, have disappeared
- two md raid devices disappeared after boot
- created via:
mdadm --create --verbose /dev/md2 --level=mirror --raid-devices=2 /dev/sdc /dev/sdd
mdadm --create --verbose /dev/md3 --level=10 --raid-devices=10 /dev/sde /dev/sdf /dev/sdg /dev/sdh /dev/sdi /dev/sdj /dev/sdk /dev/sdl /dev/sdm /dev/sdn
Environment
- Red Hat Enterprise Linux 6, 7 & 8
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