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.
mike
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