Re: SSD Drives

2. Do I need both BBU on the RAID *and* capacitor on the SSD or just on one?
> Which one? I'm suspecting capacitor on the SSD and write-through on the
> RAID.

You need both. The capacitor protects the drive, the BBU protects the
raid controller.

note BBU's on raid cards are being replaced by 'flash-back' which is a supercap and flash memory backup for the raid card's write-back cache. 

-- 
john r pierce                                      37N 122W
somewhere on the middle of the left coast