Hi,

 When creating a gluster brick in oVirt (host->Storage Devices->Create Brick), 
I have to fill in the parameters
 of the RAID volume the brick : RAID-type, number of disks and stripe size.
 
 My setup is DELL RAID Controler PERC H710
 4 SSD disks raid5
 Default stripe for Dell RAID-controller defaults is 64KB.
 
I have no choice of a Raid 5 and if I choose Raid6, 4 or 3 disk, 64KB or 128KB 
Stripe. It does not work, (Failed to create brick data_ssd on host xxx of 
cluster Default). The only option that works is RAID type = None

 tried to find information about this, but no luck yet.. 

I tried ovirt engine 4.4.1.10 and lastest 4.4.7.6

Can I leave this to None ? Performance ?

Thank you
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