Re: Areca vs. ZFS performance testing.

2008-11-16 Thread Eirik Øverby
On Nov 13, 2008, at 21:59, Danny Carroll wrote: Scott Long wrote: The Areca controller likely doesn't buffer/cache for disks in JBOD mode, as others in this thread have stated. Without buffering, simple disk controllers will almost always be faster than accelerated raid controllers because

Re: Areca vs. ZFS performance testing.

2008-11-16 Thread Danny Carroll
Eirik Øverby wrote: I have noticed that my 3ware controllers, after updating firmware recently, have removed the JBOD option entirely, classifying it as something you wouldn't want to do with that kind of hardware anyway. I believed then, and even more so now, they are correct. It kinda

Re: Areca vs. ZFS performance testing.

2008-11-16 Thread Matt Simerson
On Nov 16, 2008, at 7:15 PM, Danny Carroll wrote: Eirik Øverby wrote: I have noticed that my 3ware controllers, after updating firmware recently, have removed the JBOD option entirely, classifying it as something you wouldn't want to do with that kind of hardware anyway. I believed then,

Re: Areca vs. ZFS performance testing.

2008-11-16 Thread Jeremy Chadwick
On Sun, Nov 16, 2008 at 10:06:42PM -0800, Matt Simerson wrote: On Nov 16, 2008, at 7:15 PM, Danny Carroll wrote: Eirik Øverby wrote: I have noticed that my 3ware controllers, after updating firmware recently, have removed the JBOD option entirely, classifying it as something you wouldn't