Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Thu, 2009-12-10 at 09:10 +0100, Florian Haas wrote: > You have round robin over 4 links that you replicate DRBD over? TCP > reordering is definitely going to kill you. This is expected to have > lower throughput that a single non-bonded link. > > Remove that bonding configuration. Then re-run your tests. But does it explain why is always secondary under heavy IO, while the primary never reaches more than ~10% ? And both servers are same... Also when DRBD is disconnected, I get twice the performance out of bonnie++ in domU over iSCSI. No evident performance differences between A, B or C protocols... -- | Jakov Sosic | ICQ: 28410271 | PGP: 0x965CAE2D | ================================================================= | |