Difference between revisions of "RAID"
From Vague Hope Wiki
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sudo mdadm --create --verbose /dev/md0 --level=6 --raid-devices=4 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 | sudo mdadm --create --verbose /dev/md0 --level=6 --raid-devices=4 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 | ||
sudo watch cat /proc/mdstat | sudo watch cat /proc/mdstat | ||
| + | </pre> | ||
| + | |||
| + | === mdadm.conf === | ||
| + | <pre> | ||
| + | sudo -i | ||
| + | mdadm --detail --scan --verbose >> /etc/mdadm/mdadm.conf | ||
</pre> | </pre> | ||
Revision as of 04:25, 16 October 2011
Set up
sudo aptitude install mdadm
Create
Set disc type
For each disc:
sudo fdisk /dev/sdb n ; for a new partition enter p ; for a primary partition enter 1 ; number of partition enter ; accept the default enter ; accept the default t ; to change the type fd ; sets the type to be “Linux raid auto detect” (83h) w ; write changes to disk and exit
Create array
sudo mdadm --create --verbose /dev/md0 --level=6 --raid-devices=4 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 sudo watch cat /proc/mdstat
mdadm.conf
sudo -i mdadm --detail --scan --verbose >> /etc/mdadm/mdadm.conf
References
- https://help.ubuntu.com/10.04/serverguide/C/advanced-installation.html
- http://warfieldninjas.com/2010/11/ubuntu-software-raid5-and-raid6-with-mdadm/
- http://www.howtogeek.com/51873/how-to-setup-software-raid-for-a-simple-file-server-on-ubuntu/
- http://www.ainer.org/raid-5-6-install-setup-configuration-guide-for-ubuntu-10-04-lts-lucid-lynx/2
