Troubleshoot an external syslog server
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The following table describes external syslog server error messages and lists corrective actions.
Error message | Description and recommended actions |
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Cannot resolve hostname |
The FQDN you entered for the syslog server could not be resolved to an IP address.
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Connection refused |
A TCP or TLS connection to the syslog server was refused. There might be no service listening on the TCP or TLS port for the host, or a firewall might be blocking access.
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Network unreachable |
The syslog server is not on a directly attached subnet. A router returned an ICMP failure message to indicate it could not forward the test messages from the listed nodes to the syslog server.
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Host unreachable |
The syslog server is on a directly attached subnet (subnet used by the listed nodes for their Grid, Admin, or Client IP addresses). The nodes attempted to send test messages, but did not receive responses to ARP requests for the syslog server’s MAC address.
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Connection timed out |
A TCP/TLS connection attempt was made, but no response was received from the syslog server for a long time. There might be a routing misconfiguration or a firewall might be dropping traffic without sending any response (a common configuration).
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Connection closed by partner |
A TCP connection to the syslog server was successfully established but was later closed. Reasons for this might include:
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TLS certificate error |
The server certificate received from the syslog server was not compatible with the CA certificate bundle and client certificate you provided.
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Forwarding suspended |
Syslog records are no longer being forwarded to the syslog server and StorageGRID is unable to detect the reason. Review the debugging logs provided with this error to attempt to determine the root cause. |
TLS session terminated |
The syslog server terminated the TLS session and StorageGRID is unable to detect the reason.
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Results query failed |
The Admin Node used for syslog server configuration and testing is unable to request test results from the nodes listed. One or more nodes might be down.
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