NIC的假阳性警报

The issue is detected by NCC health check nic_link_down_check which runs every hour and generates the alert if any issues are found. In the majority of cases using networking troubleshooting logic is enough (make sure the interface is physically connected, devices on both ends are configured correctly and are functioning properly).<\/span><\/p>

In some cases, however, the alert may be a false positive. If an interface used to be connected or, in some instances, after cluster expansion on a new node. Eliminate the possibility of the alert being true first. Verify physical connectivity of the host to the switch. If you are certain the alert cannot possibly be right, there is a file that the NCC check uses to compare to the expected state of the interfaces. If the problematic interface is listed in that file in a \u201cdown\u201d you may be onto something. The file can be removed and will be re-created automatically on the next run of the health check.<\/span><\/p>

For NIC troubleshooting refer to\u00a0<\/span>KB-2480 NCC Health Check: nic_link_down_check<\/span><\/a><\/p>

To look at the\u00a0<\/span>check_cvm_health_job_state.json<\/span><\/em>\u00a0file go to\u00a0<\/span>KB-2556 Alert \"Link on NIC vmnic[x] of host [x.x.x.x] is down\" being raised if an interface was used previously<\/span><\/a><\/p>","quoteUsername":"Alona","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">

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