Creating RAID1 with "missing" - mdadm 1.90
What might the proper [or functional] syntax be to do this?
I'm running 2.6.10-1.766-FC3, and mdadm 1.90.
Thanks for the time.
b-
Quoted 3 lines · On Saturday March 5, [email protected] wrote:
What might the proper [or functional] syntax be to do this?
I'm running 2.6.10-1.766-FC3, and mdadm 1.90.
It would help if you told us what you tried as then we could possible give a more focussed answer, however:
mdadm --create /dev/md1 --level=raid1 --raid-devices=2 /dev/sda3 missing
might be the sort of thing you want.
NeilBrown
Quoted 7 lines
Thanks for the time.
b-
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Quoted 3 lines · berk walker
What might the proper [or functional] syntax be to do this?
I'm running 2.6.10-1.766-FC3, and mdadm 1.90.
Substitute the word "missing" for the corresponding device in the mdadm create command.
(quotes manual page)
To create a "degraded" array in which some devices are missing, simply give the word "missing" in place of a device name.
Peter
I have successfully set up a raid1 in degraded mode with this command line:
mdadm --create /dev/md0 --level=1 --raid-devices=2 missing /dev/hda2
I have experienced problems when the "missing" drive was the second and the array would not initialize correctly when a real disk was added later. When "missing" is the first I did not have any problems. (Those problems were with linux 2.4 kernels, maybe this is solved with 2.6, but I did had the opportunity to check yet)
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