I have two questions one being will RAID 1 having 10 4TB HDDs if one drive fails in the array will it be able to rebuild the data that drive had? and two being if i get the asrock extreme11/ac motherboard that has 16 sas ports on one RAID controller could i run the 10 4TB HDDs on a RAID 1 array and 6 1TB HDDs in RAID 1 all on the same RAID controller?
RAID 1 dataserver
- Thread starter ROGinhere
- Start date
RAID1 is 2 drives total.
With more than that you have to use nested RAID levels like RAID 1+0 or 0+1 or more complex ones like 51, 61, etc..
In terms of putting 2 different RAID sets on the same controller, you shouldn't have any problems with most SAS controllers. I would check the specs for the controller itself to make sure, though.
It is possible to run a combination of RAID 1 and another type of raid on the same controller. RAID 1 is a basic mirror. It copies identical data simultaneously to 2 drives. If you 8 more drives it won't make 10 copies, you'll need to decide how to distribute the data across the other drives.
So you can have RAID10 where you stripe data across 5 drives, then make identical copies to the other 5 drives. you can also create 5 pairs of drives in RAID 1 and stripe data across those 5 sets. the 'striping" is called RAID 0 so those two options are called RAID 1+0 or 0+1, though they are commonly both referred to as RAID 10(ten).
There are also more complex RAID types like RAID 51 where you use RAID5(sort of a compromise between 0 and 1) then you mirror(RAID1) them to the other half of the drives. 61 is similar but you've got even more protection than 51.
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