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8.16. clustermon
Updated clustermon packages that fix several bugs are now available for Red Hat Enterprise Linux 6.
The clustermon packages are used for remote cluster management. The modclusterd service provides an abstraction of cluster status used by conga and by the Simple Network Management (SNMP) and Common Information Model (CIM) modules of clustermon.
Bug Fixes
- BZ#951470
- Prior to this update, the modclusterd service made an improper CMAN API call when attempting to associate the local machine's address with a particular cluster node entry, but with no success. Consequently, modclusterd returned log messages every five seconds. In addition, when logging for CMAN was enabled, membership messages included, messages arising from the CMAN API misuse were emitted. Now, the CMAN API call is used properly, which corrects the aforementioned consequences.
- BZ#908728
- Previously, the modclusterd service terminated unexpectedly in IPv4-only environments when stopped due to accessing unitialized memory only used when IPv6 was available. With this update, modclusterd no longer crashes in IPv4-only environments.
- BZ#888543
- Previously, the SNMP (Simple Network Management Protocol) agent exposing the cluster status and shipped as cluster-snmp caused the SNMP server (snmpd) to terminate unexpectedly with a segmentation fault when this module was loaded, and the containing server was instructed to reload. This was caused by an improper disposal of the resources facilitated by this server, alarms in particular. Now, the module properly cleans up such resources when being unloaded, preventing the crash on reload.
Users of clustermon are advised to upgrade to these updated packages, which fix these bugs.
