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typo: ecc to etc
* 3 Drives - Software RAID 1
* 3 Drives - Software RAID 1
If you use a true hardware raid controller to manage your hard drives and choose noraid during install, your system will still be configured with RAID1.
====Hard Drive Layout====
====Hard Drive Layout====
# Shut down and install one larger drive in system for one old HD. Unplug any USB-connected drives.
# Shut down and install one larger drive in system for one old HD. Unplug any USB-connected drives.
# Boot up and manage raid to add new (larger) drive to system.
# Boot up and login to the admin console and use option 5 to add the new (larger) drive to system.
# Wait for raid to fully sync.
# Wait for raid to fully sync.
# Repeat steps 1-3 until all drives in system are upgraded to larger capacity.
# Repeat steps 1-3 until all drives in system are upgraded to larger capacity.
# Ensure all drives have been replace with larger drives and array is in sync and redundant!
# Ensure all drives have been replace with larger drives and array is in sync and redundant!
# Issue the following commands:
# Issue the following commands:
{{Note box|SME9 uses /dev/md1 not /dev/md2.}}
mdadm --grow /dev/md2 --size=max
mdadm --grow /dev/md2 --size=max
# Reboot and ensure all drives have been replaced with larger drives and array is in sync and redundant!
# Reboot and ensure all drives have been replaced with larger drives and array is in sync and redundant!
# Issue the following commands:
# Issue the following commands:
{{Note box|SME9 uses /dev/md1 not /dev/md2.}}
mdadm --grow /dev/md2 --size=max
mdadm --grow /dev/md2 --size=max
sfdisk /dev/sdc < tmp.out
sfdisk /dev/sdc < tmp.out
</li><li>Repeat the last step for each new hd (sdd, sde ecc.).
</li><li>Repeat the last step for each new hd (sdd, sde etc.).
</li><li>Create the new array
</li><li>Create the new array
mdadm --create /dev/md2 -c 256 --level=5 --raid-devices=2 /dev/sda2 /dev/sdb2
mdadm --create /dev/md2 -c 256 --level=5 --raid-devices=2 /dev/sda2 /dev/sdb2
mdadm --add /dev/md2 /dev/sdc2
mdadm --add /dev/md2 /dev/sdc2
</li><li>Repeat the last step for each new hd (sdd2, sde2 ecc.)
</li><li>Repeat the last step for each new hd (sdd2, sde2 etc.)
</li><li>Grow the array
</li><li>Grow the array
