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Instalacja

apt install mdadm

Sprawdzenie Macierzy

root@chris:~# cat /proc/mdstat 
Personalities : [raid1] 
md0 : active raid1 sdc[1] sdb[0]
      5237760 blocks super 1.2 [2/2] [UU]
      [==>..................]  resync = 11.4% (600960/5237760) finish=0.3min speed=200320K/sec
      
unused devices: <none>
root@chris:~# lsblk 
sda                  8:16   0 6.4G  0 disk
└─md0              9:127  0 6.4G  0 raid1 /mnt/raid
sdb                  8:32   0 6.4G  0 disk
└─md0              9:127  0 6.4G  0 raid1 /mnt/raid

Tworzenie RAID 0

mdadm --create --verbose /dev/md0 --level=0 --raid-devices=2 /dev/sda /dev/sdb

Tworzenie RAID 1

mdadm --create --verbose /dev/md0 --level=1 --raid-devices=2 /dev/sda /dev/sdb

Create and Mount the Filesystem

# Tworzenie systemu plików na macierzy 
mkfs.ext4 -F /dev/md0

# Tworzenie Punktu montowania
mkdir -p /mnt/md0

# Montowanie
mount /dev/md0 /mnt/md0

Wyszukaj ARRAY

mdadm --detail --scan 

root@chris:~# mdadm --detail --scan
ARRAY /dev/md/XXX:0 metadata=1.2 name=XXXX:0 UUID=XXX:TTTTT:DDDDD:XXX
root@chris:~#

root@chris:~# mdadm --detail /dev/md
md/    md0
root@chris:~# mdadm --detail /dev/md/raspberrypi\:0
/dev/md/md0:0:
           Version : 1.2
     Creation Time : Sat Dec 14 01:13:31 2024
        Raid Level : raid1
        Array Size : X (6.37 GiB 10.00 GB)
     Used Dev Size : X (6.37 GiB 10.00 GB)
      Raid Devices : 2
     Total Devices : 2
       Persistence : Superblock is persistent

     Intent Bitmap : Internal

       Update Time : Thu Dec 16 16:16:16 2022
             State : clean, resyncing
    Active Devices : 2
   Working Devices : 2
    Failed Devices : 0
     Spare Devices : 0

Consistency Policy : bitmap

     Resync Status : 97% complete

              Name : XXX:0
              UUID : XXXX:0 UUID=XXX:TTTTT:DDDDD:XXX
            Events : 108220

    Number   Major   Minor   RaidDevice State
       0       8       16        0      active sync   /dev/sda
       1       8       32        1      active sync   /dev/sdb
root@chris:~# mdadm --detail /dev/md0