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→Create RAID 5
=== Create RAID 5 ===
=== Create RAID 5 ===
sudo mdadm --create --verbose /dev/md0 --level=5 --raid-devices=4 /dev/sdi /dev/sdj /dev/sdk /dev/sdl
sudo mdadm --create --verbose /dev/md0 --level=5 --raid-devices=4 /dev/sdi /dev/sdj /dev/sdk /dev/sdl
Monitor the array progress creation with
cat /proc/mdstat
Output:
<nowiki>Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md0 : active raid5 sdl[4] sdk[2] sdj[1] sdi[0]
11720658432 blocks super 1.2 level 5, 512k chunk, algorithm 2 [4/3] [UUU_]
[>....................] recovery = 0.0% (2091700/3906886144) finish=7753.1min speed=8393K/sec
bitmap: 0/30 pages [0KB], 65536KB chunk
unused devices: <none>
</nowiki>
https://www.digitalocean.com/community/tutorials/how-to-create-raid-arrays-with-mdadm-on-ubuntu-16-04#top<br />
https://www.digitalocean.com/community/tutorials/how-to-create-raid-arrays-with-mdadm-on-ubuntu-16-04#top<br />
https://unix.stackexchange.com/questions/88654/what-does-mdadms-spare-number-mean<br />
https://unix.stackexchange.com/questions/88654/what-does-mdadms-spare-number-mean<br />