Created attachment 432279 [details] cluster.conf that triggers the errors. Description of problem: When I added: <altname name="an-node01-sn" port="6899" mcast="239.94.1.1" /> to '<clusternode...>', the following errors began appearing in /var/log/messages: Jul 15 22:35:12 an-node01 dlm_controld[2042]: dlm_controld 3.0.12 started Jul 15 22:35:13 an-node01 gfs_controld[2065]: gfs_controld 3.0.12 started Jul 15 22:35:13 an-node01 dlm_controld[2042]: /sys/kernel/config/dlm/cluster/comms/1: mkdir failed: 17 Jul 15 22:35:13 an-node01 dlm_controld[2042]: /sys/kernel/config/dlm/cluster/comms/2: mkdir failed: 17 Version-Release number of selected component (if applicable): kernel 2.6.33.6-147.fc13.x86_64 #1 SMP x86_64 cman-3.0.12-2.fc13.x86_64 How reproducible: 100% Steps to Reproduce: 1. Add entries to cluster.conf 2. Start cman 3. Examine logs Actual results: Generates errors Expected results: No errors. Additional info:
In looking at action.c in dlm_controld source code, it looks like the errors are harmless.
That is, if mkdir fails with EEXIST (17), it logs the error but returns success.
Created attachment 440462 [details] Naïve patch.
Yep, that error is harmless from add_configfs_node(); there may be other cases where it's not. I'd suggest perhaps doing an if (path_exists()) prior to the create_path() call in add_configfs_node().
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