So... what is the correct way to configure ib? I *think* I have it
configured correctly, but want to verify... Where is this information
online?
I currently have my eth0 addr set, for example, to 100.100.100.1 and
ib0 set to 100.100.100.2. I assume that is ok, but I think my bcast
and masks are same.
E
Quoting "Hefty, Sean" <[email protected]>:
If I run rdma_bw on two nodes with the -c option (use rdma_cm) it
fails with the error: "4390:pp_client_connect: unexpected CM event 1."
event 1 is RDMA_CM_EVENT_ADDR_ERROR. I was under the impression that
it should work if ib0 is configured.
It looks like your eth0 and ib0 are configured as the same IP
subnet. The routing tables are likely resulting in the rdma_cm
trying to use the wrong device.
[kerrg@compute-0-3 rdma]$ /sbin/ifconfig
eth0 Link encap:Ethernet HWaddr 00:30:48:BE:D9:84
inet addr:10.1.255.251 Bcast:10.1.255.255 Mask:255.255.0.0
10.1.x.x subnet
ib0 Link encap:InfiniBand HWaddr
80:00:00:48:FE:80:00:00:00:00:00:00:00:00:00:00:00:00:00:00
inet addr:10.1.1.30 Bcast:10.255.255.255 Mask:255.0.0.0
10.x.x.x subnet
You can try changing IB to a 10.2.x.x subnet with mask 255.255.0.0.
- Sean
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