sudo aptitude install mdadm install lvm2 xfsprogs gsmartcontrol ssmtp

sudo gdisk /dev/sdb ( n 1 <Enter> <Enter> fd00 w )

# -p f2 means use far stripe locations to optimize for sequential read (multi GB sequence data)
# missing here indicates that I intend to grow the array when the other two disks arrive
sudo mdadm --create /dev/md0 --level=10 --name=ilmatar --raid-devices=4 -p f2 /dev/sdb1 missing /dev/sdc1 missing

sudo mdadm --detail --scan

#echo DEVICE /dev/sdb1 /dev/sdc1 /dev/sde1 /dev/sdf1  | sudo tee /etc/mdadm/mdadm.conf
#sudo mdadm --detail --scan | sudo tee -a /etc/mdadm/mdadm.conf
#lets do this manually:
sudo nano /etc/mdadm/mdadm.conf
-------------------------------------------------------------------------------
# mdadm.conf
#
# Please refer to mdadm.conf(5) for information about this file.
#

# by default (built-in), scan all partitions (/proc/partitions) and all
# containers for MD superblocks. alternatively, specify devices to scan, using
# wildcards if desired.
#DEVICE partitions containers
DEVICE /dev/sd[bcef]1

# auto-create devices with Debian standard permissions
CREATE owner=root group=disk mode=0660 auto=yes

# automatically tag new arrays as belonging to the local system
HOMEHOST <system>

# instruct the monitoring daemon where to send mail alerts
MAILADDR root

# definitions of existing MD arrays

ARRAY /dev/md0 name=ilmatar:0 UUID=a341fae4:bd10b7b3:8f2fa2a3:b754fb39 metadata=1.2 level=10 num-devices=4 devices=/dev/sdb1,missing,/dev/sdc1,missing


# This file was auto-generated on Tue, 25 Sep 2018 12:30:53 +0300
# by mkconf $Id$
-------------------------------------------------------------------------------
# reboot to test auto-regeneration
sudo mdadm --detail /dev/md0

# with a single large XFS device these don't really help us and really just complicate management
#sudo pvcreate /dev/md0
#sudo vgcreate mongodb /dev/md0
#sudo lvcreate -L 100G -n data mongodb
#sudo lvcreate -l 100%FREE -n log mongodb

sudo mkfs.xfs /dev/md0
sudo mkdir /media/ilmatar
sudo mount /dev/md0 /media/ilmatar
sudo usermod -aG staff aubreybailey
sudo chown -R root:staff /media/ilmatar/NGSRawData/
sudo chmod 775 /media/ilmatar/NGSRawData/

sudo blkid /dev/md0
sudo nano /etc/fstab
-------------------------------------------------------------------------------
UUID=dcab9074-ba55-4917-a488-6edccb7730a3 /media/ilmatar    xfs    errors=remount-ro    0    1
-------------------------------------------------------------------------------
#test before rebooting or you will be sorry!
sudo mount -a


-------Bonus "sleep well at night" security------------
gsmartmoncontrol

sudo nano /etc/ssmtp/ssmtp.conf
-------------------------------------------------------------------------------
# Config file for sSMTP sendmail
#
# The person who gets all mail for userids < 1000
# Make this empty to disable rewriting.
root=postmaster

# The place where the mail goes. The actual machine name is required no
# MX records are consulted. Commonly mailhosts are named mail.domain.com
mailhub=smtp.gmail.com:587

AuthUser=aubrey.bailey@kct.fi
AuthPass=TheGmailPassword
UseSTARTTLS=YES

# Where will the mail seem to come from?
#rewriteDomain=

# The full hostname
hostname=ikuturso.kct.fi

# Are users allowed to set their own From: address?
# YES - Allow the user to specify their own From: address
# NO - Use the system generated From: address
FromLineOverride=YES
-------------------------------------------------------------------------------

sudo nano /etc/ssmtp/revaliases
-------------------------------------------------------------------------------
# sSMTP aliases
#
# Format:       local_account:outgoing_address:mailhub
#
# Example: root:your_login@your.domain:mailhub.your.domain[:port]
# where [:port] is an optional port number that defaults to 25.
root:aubreybailey@kct.fi
aubreybailey:aubreybailey@kct.fi
postmaster:aubreybailey@kct.fi

-------------------------------------------------------------------------------
revaliases: root aubrey.bailey@kct.fi

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