How to use the noop scheduler on two SSDs in software RAID mode?

Hi all,
I have two SSDs in RAID0 via motherboard ("fake") raid. They're mapped using dm-raid. The root device is /dev/dm-3
According to: https://wiki.archlinux.org/index.php/Solid_State_Drives, you can do `echo noop >/sys/block/sdX/queue/scheduler`, but that doesn't seem to work for me.
On my system:
% cat /sys/block/dm-3/queue/scheduler [1]
none
% cat /sys/block/sda/queue/scheduler [1]
noop deadline [cfq]
How would I make this RAID0 partition use the noop scheduler?
Update, setting /dev/sda to use noop worked, but is there a way to apply it to the RAID0 partition only?
% cat /sys/block/sda/queue/scheduler [1]
noop deadline [cfq]
% echo noop | sudo tee /sys/block/sda/queue/scheduler [1]
noop
% cat /sys/block/sda/queue/scheduler [0]
[noop] deadline cfq
Last edited by solarwind (2012-10-18 23:33:22)

Someone needs to come out with an interface to do SATA/SAS Thunderbolt.
One idea, no idea but Barefeats reviewed
http://www.barefeats.com/hard156.html
Elmar Weiss Photography's blog posted an excellent review comparing the Drobo 5D Thunderbolt with the Pegasus R6 Thunderbolt enclosure.
http://www.barefeats.com/imac12d.html
Look around, Google and always hit Barefeats for such questions in your research

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