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malesch/gist:3376712

Created August 17, 2012 07:26
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Creation of RAID-1
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gistfile1.txt
> parted /dev/sda
> (parted) mklabel gpt
> (parted) mkpart primary 1 -1
> (parted) p
> parted /dev/sdb
> (parted) mklabel gpt
> (parted) mkpart primary 1 -1
> (parted) p
> mdadm --zero-superblock /dev/sda1 /dev/sdb1
# add 'DEVICE /dev/sda1 /dev/sdb1' at the top of /etc/mdadm/mdadm.conf
> mdadm --create --verbose /dev/md0 --assume-clean --level=1 --raid-devices=2 /dev/sd[ab]1
> mdadm --examine --scan >> /etc/mdadm/mdadm.conf
> mkfs.ext4 -b 4096 -O has_journal,dir_index -m .1 /dev/md0
# add to /etc/fstab
# /dev/md0 /mnt/md0 ext4 defaults
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