Linux Multiple Device RAID
mdadm: A New Tool For Linux Software RAID Management by Derek Vadala 12/05/2002
Used for amgydala /usr/local/data; See HardwareRaid for other systems.
| Host | Device Model | Size | Size (OS) |
| amygdala | Seagate ST3750640NS | 750GB | 696 GiB |
mdadm --create /dev/md0 --level=5 --raid-devices=3 /dev/sdb /dev/sdc /dev/sdd cat > /etc/mdadm.conf <<EOF MAILADDR root PROGRAM mdadm DEVICE /dev/sdb /dev/sdc /dev/sdd ARRAY /dev/md0 devices=/dev/sdb,/dev/sdc,/dev/sdd num-devices=3 level=5 EOF cat /proc/mdstat mke2fs -j /dev/md0 # turn off autocheck since it's RAID tune2fs -c0 -i0 /dev/md0 mkdir -p /usr/local/data/ chown nobody:nobody /usr/local/data/ echo '/dev/md0 /usr/local/data/ ext3 defaults 0 0' > /etc/fstab mount /usr/local/data/ chkconfig mdmonitor on
