On Thu, Jul 8, 2010 at 12:32 PM, Jochen Erwied < joc...@pgsql-performance.erwied.eu> wrote:
> Thursday, July 8, 2010, 9:18:20 PM you wrote: > > > However, I just verified with the hosting company that BBU is off on the > > raid controller. I am trying to find out my options, turn it on, > different > > card, etc... > > Turning it on requires the external BBU to be installed, so even if a 9650 > has BBU support, it requires the hardware on a pluggable card. > > And even If the BBU is present, it requires to pass the selftest once until > you are able to turn on write caching. > > > -- > Jochen Erwied | home: joc...@erwied.eu +49-208-38800-18, FAX: > -19 > Sauerbruchstr. 17 | work: j...@mbs-software.de +49-2151-7294-24, FAX: > -50 > D-45470 Muelheim | mobile: jochen.erw...@vodafone.de > +49-173-5404164 > > One thing I don't understand is why BBU will result in a huge performance gain. I thought BBU was all about power failures?
