[DRBD-user] Yet another DRBD Performance question :-)

Felix Frank felix.frank at alumni.tu-berlin.de
Wed Apr 13 09:51:45 CEST 2011

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


On 04/12/2011 09:32 PM, Mark Petersen wrote:
> Using drbd 8.3.10 I've seen write performance above ~165 MB/s but I haven't been able to get above ~225 MB/s.  I believe it depends more on PCI, FSB, Memory, QPI, etc. speed/bottlenecks more than the inter-connect speeds though, especially when testing with protocol A.  

Hi,

this is a bit OT, but it's bugging me so I'd like to make sure.

Does Protocol A offer any possible throughput gains? It has been my
understanding that the protocol will mainly influence latency.

TIA,
Felix



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