I currently have zbalance_ipc configured with two instances per cluster id.
Normally, one would access the virtual device as “zc:10@0” and “zc:10@1”. I have n2disk capturing off of zc:10@0 instance. Unfortunately, when trying to run nprobe against zc:10@1 instance it only occasionally works. When it fails, I get the following error: 16/Mar/2016 19:42:24 [nprobe.c:5348] Using packet capture length 9000 16/Mar/2016 19:42:24 [util.c:4344] ERROR: Cannot get hw addr for zc:10@1 16/Mar/2016 19:42:24 [pro/pf_ring.c:356] Initializing PF_RING socket on device zc:10@1.. 16/Mar/2016 19:42:24 [nprobe.c:5424] ERROR: Unable to open interface zc:10@1. 16/Mar/2016 19:42:24 [nprobe.c:7080] ERROR: Unable to open interface zc:10@1 (zc:10@1: No such device exists (SIOCGIFHWADDR: No such device)) 16/Mar/2016 19:42:24 [nprobe.c:7082] ERROR: Try using -i none if you do not want capture from a NIC The fix seems to be a complete restart of the pf_ring service. Any advice on what to look at next?
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