[DRBD-user] Hardware recommendation for DRBD

Mike Lovell mike at dev-zero.net
Wed Jul 7 06:49:54 CEST 2010

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

Bo Hansen wrote:
> Hi,
> I need an advice regarding hardware for DRBD. Currently I'm looking 
> into using two intel servers + adaptec raid controllers to form a DRBD 
> setup. I'm planning to put 28 SATA disks in each server and possibly 
> have two DRBD volumes (maybe 10 disks/vol/server). What is recommended 
> for the DRBD communication?
> I guess gigabit is not enough? Should I go for 10gbit (e.g. Intel 10 
> Gigabit CX4 Dual Port Server Adapter) or the Dolphin DXH510 adapters?
i built a setup using 10gig ethernet that seemed to work well. but i had 
trouble with the intel dual cx4 adapter i had (supermicro stg-i2 w/ 
intel 82598eb). the drbd sync would just hang at random times and i 
would have to stop drbd, unload the modules for drbd and network, and 
reload stuff to get things working again. what i did get working was 
using chelsio N320E-CXA adapters. they were about the same price and did 
the job.

i can't speak to the dolphin gear or other options. the one that 
intrigues me is using infiniband for the drbd connection. i know some 
people on the list do that.
> Thanks in advance,
np. hope it is helpful.


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