Hi Joe,

On Fri, May 20, 2011 at 08:18:32AM -0400, Joe Landman wrote:
>> On 20/05/2011 03:08, Andy Smith wrote:
>>> Are there actually any HBAs that have BBU without using their RAID
>>> features?
>>>
>>> I'd like to stop using hardware RAID but I can't give up the BBU and
>>> write cache.
>
> HBAs don't have BBU or write cache.  Only RAIDs do.  While you can run  
> the RAID in JBOD mode, you effectively lose the cache (and BBU) aspect by 
> doing so.

That's what I thought, thanks.

It's a shame; maybe there will be disks with battery-backed cache
one day.

Cheers,
Andy