Miniworkshop

A következő parancsokat adtuk ki:

for i in 0 1 2 3 4; do dd if=/dev/zero of=/tmp/loop$i bs=1M count=50; losetup /dev/loop$i /tmp/loop$i; done

mdadm --create /dev/md0 --level=1 --raid-devices=2 --spare-devices=1 /dev/loop[012]

cat /proc/mdstat

mdadm --fail /dev/md0 /dev/loop1

cat /proc/mdstat

mdadm --remove /dev/md0 /dev/loop1

cat /proc/mdstat

mdadm --add /dev/md0 /dev/loop1

cat /proc/mdstat

mdadm --stop /dev/md0

mdadm --zero-superblock /dev/loop[012]

mdadm --create /dev/md0 --level=5 --raid-devices=5 /dev/loop[01234]

cat /proc/mdstat

pvcreate /dev/md0

vgcreate -v testvg /dev/md0