Is it possible to keep data in procedure Raid1 growing to Raid5?

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                          I have Raid 1 

/dev/sda /dev/sdb

as md0

then now I want to expand for Raid5

So, my idea is

    sudo mdadm --add /dev/md0 /dev/sdd

    sudo mdadm --grow /dev/md0 --level=raid5 --raid-devices=3

In these processes.

The contents in the HDD will be deleted or not??

Asked by whitebear (245 rep)

Sep 18, 2020, 05:07 PM
Last activity: Sep 18, 2020, 05:49 PM

Is it possible to keep data in procedure Raid1 growing to Raid5?

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