hyperreal.coffee

Mounting RAID1 mirror

Assemble the RAID array.

sudo mdadm --assemble --run /dev/md0 /dev/sda1 /dev/sdb1

Mount the RAID device.

sudo mount /dev/md0 /mnt

Configure msmtp for mdmonitor.service (Ubuntu 24.04)

sudo apt install msmtp msmtp-mta

Edit /etc/msmtprc.

# 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

Edit /etc/mdadm.conf.

MAILADDR hyperreal@moonshadow.dev
MAILFROM admin@hyperreal.coffee
PROGRAM msmtp

ARRAY ...
ARRAY ...

Rename sendmail and symlink msmtp to sendmail.

sudo mv /usr/sbin/sendmail /usr/sbin/sendmail.bak
sudo ln -s /usr/bin/msmtp /usr/sbin/sendmail

Send a test email.

sudo mdadm --monitor --scan --test --oneshot

Restart mdmonitor.service.

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