Software RAID in Linux Workstations

RAID-5
/etc/raidtab file:
raiddev /dev/md0
raid-level 5
nr-raid-disks 4
nr-spare-disks 0
persistent-superblock 1
chunk-size 4
device /dev/hda1
raid-disk 0
device /dev/hdb1
raid-disk 1
device /dev/hdc1
raid-disk 2
device /dev/hdd1
raid-disk 3
Command:
mdadm -Cv /dev/md0 --level=5 --raid-devices=4 /dev/hda1 /dev/hdb1
/dev/hdc1 /dev/hdd1
RAID-10
/etc/raidtab file:
raiddev /dev/md0
raid-level 0
nr-raid-disks 2
nr-spare-disks 0
chunk-size 4
device /dev/sda1
raid-disk 0
device /dev/sdb1
raid-disk 1
raiddev /dev/md1
raid-level 0
nr-raid-disks 2
nr-spare-disks 0
chunk-size 4
device /dev/sdc1
raid-disk 0
device /dev/sdd1
raid-disk 1
raiddev /dev/md2
raid-level 1
nr-raid-disks 2
nr-spare-disks 0
chunk-size 4
device /dev/md0
raid-disk 0
device /dev/md1
raid-disk 1
Commands:
mdadm ñCv /dev/md0 --level=0 --raid-devices=2 /dev/sda1 /dev/sdb1
mdadm ñCv /dev/md1 --level=0 --raid-devices=2 /dev/sdc1 /dev/sdd1
mdadm ñCv /dev/md2 --level=1 --raid-devices=2 /dev/md0 /dev/md1
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