===== Mounting RAID1 mirror =====

  * ''%%/dev/sda1%%''
  * ''%%/dev/sdb1%%''

Assemble the RAID array.

<code bash>
sudo mdadm --assemble --run /dev/md0 /dev/sda1 /dev/sdb1
</code>

Mount the RAID device.

<code bash>
sudo mount /dev/md0 /mnt
</code>

===== Configure msmtp for mdmonitor.service (Ubuntu 24.04) =====

<code bash>
sudo apt install msmtp msmtp-mta
</code>

Edit ''%%/etc/msmtprc%%''.

<code bash>
# Resend account
account resend
host smtp.resend.com
from admin@hyperreal.coffee
port 2587
tls on
tls_starttls on
tls_trust_file /etc/ssl/certs/ca-certificates.crt
auth on
user resend
password APIKEY GO HERE
syslog LOG_MAIL
</code>

Edit ''%%/etc/mdadm.conf%%''.

<code bash>
MAILADDR hyperreal@moonshadow.dev
MAILFROM admin@hyperreal.coffee
PROGRAM msmtp

ARRAY ...
ARRAY ...
</code>

Rename sendmail and symlink msmtp to sendmail.

<code bash>
sudo mv /usr/sbin/sendmail /usr/sbin/sendmail.bak
sudo ln -s /usr/bin/msmtp /usr/sbin/sendmail
</code>

Send a test email.

<code bash>
sudo mdadm --monitor --scan --test --oneshot
</code>

Restart ''%%mdmonitor.service%%''.