Red Hat Bugzilla – Bug 615159
Adding '<altname...>' to cluster.conf causes errors in log
Last modified: 2011-06-29 09:27:14 EDT
Created attachment 432279 [details]
cluster.conf that triggers the errors.
Description of problem:
When I added: <altname name="an-node01-sn" port="6899" mcast="188.8.131.52" /> to '<clusternode...>', the following errors began appearing in /var/log/messages:
Jul 15 22:35:12 an-node01 dlm_controld: dlm_controld 3.0.12 started
Jul 15 22:35:13 an-node01 gfs_controld: gfs_controld 3.0.12 started
Jul 15 22:35:13 an-node01 dlm_controld: /sys/kernel/config/dlm/cluster/comms/1: mkdir failed: 17
Jul 15 22:35:13 an-node01 dlm_controld: /sys/kernel/config/dlm/cluster/comms/2: mkdir failed: 17
Version-Release number of selected component (if applicable):
kernel 184.108.40.206-147.fc13.x86_64 #1 SMP x86_64
Steps to Reproduce:
1. Add entries to cluster.conf
2. Start cman
3. Examine logs
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]
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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