Areca vs. ZFS performance testing.

[Danny Carroll]

Jeremy Chadwick wrote:
> 
> I'd like to see the performance difference between these scenarios:
> 
> - Memory cache enabled on Areca, write caching enabled on disks
> - Memory cache enabled on Areca, write caching disabled on disks
> - Memory cache disabled on Areca, write caching enabled on disks
> - Memory cache disabled on Areca, write caching disabled on disks
> 
> I don't know if the controller will let you disable use of memory cache,
> but I'm hoping it does.  I'm pretty sure it lets you disable disk
> write caching in its BIOS or via the CLI utility.

The manual suggests that the write cache can be disabled.   Perhaps
there is no read cache for this card.

-D