Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Do you need multiple destination IPs to properly balance? It is my understanding that a single stream will only traverse a single link. Hence the MPIO requirement. On 5/20/2010 1:07 PM, Bart Coninckx wrote: > Hi, > > Admittedly not a DRBD issue per se, but I guess this list represents quite > some experience in the area: I have two gigabit NICs bonded in balance-rr mode > for DRBD sync. They are directly linked (no switch) to the other other pair in > the other DRBD node. > > Before syncing things I was testing the performance and failover. Netperf > shows for instance this: > > > iscsi2:/etc/sysconfig/network # netperf -p 2222 -H 10.0.2.3 > TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.0.2.3 (10.0.2.3) > port 0 AF_INET > Recv Send Send > Socket Socket Message Elapsed > Size Size Size Time Throughput > bytes bytes bytes secs. 10^6bits/sec > > 87380 16384 16384 10.00 977.83 > > > Pulling one cable gives me about the same speed. I would expect it to be at > least 20% slower. It seems the round robin does not speed up things. > > The bonds on both sides show up fine in /proc/net/bonding/bond0. > > Anyone any idea what I'm doing wrong? > > Cheers, > > > Bart > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user >