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Creating Bootable Mirrored Disk with BTRFS

edited Aug 18, 2015 10:04AM in Linux Operating System (MOSC) 1 commentAnswered

I want to create a bootable, mirrored disk with BTRF (really wish Oracle had included ZFS in their Linux 7) so installed Oracle Linux 7 onto my disk /dev/sdb using the btrf option.

I did this because all my file I wanted to keep were on /dev/sda.

Now I'd like to create a bootable RAID-1 with btrfs using /dev/dba and /dev/sdb.

How can I do this without loosing the data on /dev/sdb?

Thanks in advance,

Roger

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