On 02/02/2016 05:43 PM, thibaut noah wrote:

> Driver compatibility issues, i'm currently running 4.2.5 and i already 
> returned 3 cards who didn't have a compatible driver (tried for one week to 
> run the last one with the help of highpoint support but i returned it after, 
> didn't want to take the chance to loose my money since the allowed delay to 
> return an item is not that long).

And after all this bad experience just at the beginning, you still want to
have a hardware RAID?

Anything involving a custom driver will be a problem whenever you
upgrade kernel or upgrade the operating system. An incorrect lock
or synchronization (it happens easily on out-of-tree drivers) can
destroy your data.

If the driver is already in the kernel, you will not have these
issues, but, you will certainly have to face others:
- possibly slow BIOS scan (and "keep fingers crossed" config utilities)
- possibly proprietary format on disk (if the controller dies, you lose the 
data)
- excessive abstraction of disks from kernel (good luck running smartctl on 
simulated disks)

As already suggested: evaluate a software-RAID (mdadm) setup.
You will probably be convinced by what you'll get.

-- 
   Roberto Ragusa    mail at robertoragusa.it
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