On 06/24/2010 11:03 PM, Dan Williams wrote:
This is expected without the --force option:
--force
Insist that mdadm accept the geometry and layout
specified without question.
Normally mdadm will not allow creation of an array with
only one device, and
will try to create a RAID5 array with one missing
drive (as this makes the
initial resync work faster). With --force, mdadm will
not try to be so
clever.
The manpage you quoted says mdadm will not create a raid5 array with
only one device.
However in my case I have --raid-devices=2 and both /dev/sdd1 and
/dev/sdb1. So I should be ok with a raid5 and 2 devices?
The reason I am not using raid1 is because a want to add more drives
later on.
Best regards,
Markus
mdadm --create --verbose /dev/md1 --chunk=64 --level=5 --raid-devices=2
/dev/sdd1 /dev/sdb1
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