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→Create RAID 5 Ubuntu
/dev/sdl: UUID="45dcb1c7-5dcd-8d8e-7830-0cdc8da5755c" UUID_SUB="a7dad691-d287-f1e2-17e2-76cbdd543b27" LABEL="Morpheus:0" TYPE="linux_raid_member"</nowiki>
/dev/sdl: UUID="45dcb1c7-5dcd-8d8e-7830-0cdc8da5755c" UUID_SUB="a7dad691-d287-f1e2-17e2-76cbdd543b27" LABEL="Morpheus:0" TYPE="linux_raid_member"</nowiki>
mdadm -D /dev/md0
<nowiki>/dev/md0:
Version : 1.2
Creation Time : Mon Sep 10 20:22:45 2018
Raid Level : raid5
Used Dev Size : 18446744073709551615
Raid Devices : 4
Total Devices : 4
Persistence : Superblock is persistent
Update Time : Fri Sep 21 03:16:52 2018
State : active, FAILED, Not Started
Active Devices : 3
Working Devices : 4
Failed Devices : 0
Spare Devices : 1
Layout : left-symmetric
Chunk Size : 512K
Consistency Policy : unknown
Name : Morpheus:0 (local to host Morpheus)
UUID : 45dcb1c7:5dcd8d8e:78300cdc:8da5755c
Events : 11291
Number Major Minor RaidDevice State
- 0 0 0 removed
- 0 0 1 removed
- 0 0 2 removed
- 0 0 3 removed
- 8 176 0 sync /dev/sdl
- 8 144 3 spare rebuilding /dev/sdj
- 8 112 1 sync /dev/sdh
- 8 160 2 sync /dev/sdk
</nowiki>
=== 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