Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On 20.04.2007 12:46, H.D. wrote: > I upgraded one of two boxes in the cluster from X86 to EM64T, I kept all > config. While the disconnected performance is quite similar, as soon as > I connect the both, performance is horrible. Horrible means I cannot get > 10% of what I had before. Usually DRBD overhead was negligible (under > 5%), now it unacceptable. Sorry for the noise. It was a hardware problem. A dying BBU caused the controller the enable or disable its write cache from time to time. -- Regards, H.D.