MD devices are created using the
Create mode of
You need to specify the raid device to create, the raid mode (raid0, raid1, raid10, raid5, raid6 etc) and the component devices.
You can also configure many aspects of your array:
- device name
- name or label
- chunk size
- Write-intent bitmap
One question that frequently comes up with linux raid is:
"Why does linux raid do 'resync' when I create a clean array? Can I skip that?"
The answer is usually "NO". For more details see Initial Array Creation