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On Thursday, December 12, 2013 11:46:03 PM Anand Avati wrote: > - I see RDMA is enabled on the volume. Are you mounting clients through > RDMA? If so, for the purpose of diagnostics can you mount through TCP and > check the stability improves? If you are using RDMA with such a high > write-behind-window-size, spurious ping-timeouts are an almost certainty > during heavy writes. The RDMA driver has limited flow control, and setting > such a high window-size can easily congest all the RDMA buffers resulting > in spurious ping-timeouts and disconnections.
Is there a way to remove the RDMA transport option once it is enabled. I was under the impression that our system was NOT using RDMA, but from the logs, I see the following that implies that they /are/ using RDMA now.
==> 10.2.7.11 <== 4: option transport-type socket,rdma [2013-12-10 17:42:12.498076] I [glusterd-pmap.c:227:pmap_registry_bind] 0-pmap: adding brick /raid1.rdma on port 49153 [2013-12-10 17:42:15.571287] I [glusterd-pmap.c:227:pmap_registry_bind] 0-pmap: adding brick /raid2.rdma on port 49155
==> 10.2.7.12 <== 4: option transport-type socket,rdma [2013-12-10 17:42:17.974841] I [glusterd-pmap.c:227:pmap_registry_bind] 0-pmap: adding brick /raid1.rdma on port 49153 [2013-12-10 17:42:21.266486] I [glusterd-pmap.c:227:pmap_registry_bind] 0-pmap: adding brick /raid2.rdma on port 49155
==> 10.2.7.13 <== 4: option transport-type socket,rdma [2013-12-10 17:42:17.929753] I [glusterd-pmap.c:227:pmap_registry_bind] 0-pmap: adding brick /raid1.rdma on port 49153 [2013-12-10 17:42:21.646482] I [glusterd-pmap.c:227:pmap_registry_bind] 0-pmap: adding brick /raid2.rdma on port 49155
==> 10.2.7.14 <== 4: option transport-type socket,rdma [2013-12-10 17:42:15.791176] I [glusterd-pmap.c:227:pmap_registry_bind] 0-pmap: adding brick /raid1.rdma on port 49153 [2013-12-10 17:42:15.941182] I [glusterd-pmap.c:227:pmap_registry_bind] 0-pmap: adding brick /raid2.rdma on port 49155
--- Harry Mangalam - Research Computing, OIT, Rm 225 MSTB, UC Irvine [m/c 2225] / 92697 Google Voice Multiplexer: (949) 478-4487 415 South Circle View Dr, Irvine, CA, 92697 [shipping] MSTB Lat/Long: (33.642025,-117.844414) (paste into Google Maps) ---
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