Synology FS3600 Synology High Availability SHA Troubleshooting Guide for DSM 7 - Page 22

Warning: Abnormal Heartbeat connection [Details: The data

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Chapter 2: SHA Troubleshooting 2.2.10 Warning: Abnormal Heartbeat connection [Details: None] Warning Abnormal Heartbeat connection. Suggestion: Make sure the Heartbeat connection is properly set. If the issue still persists, please replace the Ethernet cable with another one. Description The two servers cannot communicate with each other via the Heartbeat connection. Cause The Heartbeat connection is not properly connected. Resolution 1. Make sure that the Ethernet cable for the Heartbeat connection is attached properly or replace it with another Ethernet cable. 2. If there is a switch between your servers, make sure of the following: • There are no hardware issues, such as loose cables, broken cables, or switch malfunctions. • Make sure that the routing rules on all hosts, switches, and routers are configured correctly. • Make sure that the Heartbeat connection is not blocked by any network rules. • The Synology High Availability service (Ports: 874, 5405, 5406, 74007499) and the network interface of the Heartbeat connection (169.254.1.0/30) are not blocked by the switch's firewall settings. 3. If you are still unable to resolve the issue, refer to Chapter 3: Contact Customer Service to contact Synology Technical Support for further assistance. 2.2.11 Warning: Abnormal Heartbeat connection [Details: The data synchronization between the hosts is interrupted.] Warning Abnormal Heartbeat connection. Details: The data synchronization between the hosts is interrupted. Suggestion: Make sure the Heartbeat connections between the hosts are properly connected. If the problem persists, please use another Ethernet cable. LED Indicator Active server • LED on the LAN port: Off Description The two servers cannot communicate with each other via the Heartbeat connection. Data cannot be synced between the servers. Cause This error usually occurs when there are hardware issues, such as loose cables, broken cables, or LAN port malfunctions. Resolution 1. Make sure that the Ethernet cable for the Heartbeat connection is attached properly or replace it with another Ethernet cable. 2. If there is a switch between your servers, try the following: • Make sure that the Heartbeat interfaces and the switch are properly connected. • Use another LAN port on the switch. • Replace the switch. 3. If you are still unable to resolve the issue, refer to Chapter 3: Contact Customer Service to contact Synology Technical Support for further assistance. 20

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Chapter 2: SHA Troubleshooting
2.2.10 Warning: Abnormal Heartbeat connection [Details: None]
Warning
Abnormal Heartbeat connection.
Suggestion
: Make sure the Heartbeat connection is properly set. If the issue still persists,
please replace the Ethernet cable with another one.
Description
The two servers cannot communicate with each other via the Heartbeat
connection.
Cause
The Heartbeat connection is not properly connected.
Resolution
1. Make sure that the Ethernet cable for the Heartbeat connection is
attached properly or replace it with another Ethernet cable.
2. If there is a switch between your servers, make sure of the following:
• There are no hardware issues, such as loose cables, broken cables, or
switch malfunctions.
• Make sure that the routing rules on all hosts, switches, and routers are
configured correctly.
• Make sure that the Heartbeat connection is not blocked by any
network rules.
• The Synology High Availability service (Ports: 874, 5405, 5406, 7400-
7499) and the network interface of the Heartbeat connection
(169.254.1.0/30) are not blocked by the switch’s firewall settings.
3. If you are still unable to resolve the issue, refer to
Chapter 3: Contact
Customer Service
to contact Synology Technical Support for further
assistance.
2.2.11 Warning: Abnormal Heartbeat connection [Details: The data
synchronization between the hosts is interrupted.]
Warning
Abnormal Heartbeat connection.
Details
: The data synchronization between the hosts is interrupted.
Suggestion
: Make sure the Heartbeat connections between the hosts are properly
connected. If the problem persists, please use another Ethernet cable.
LED Indicator
Active server
• LED on the LAN port: Off
Description
The two servers cannot communicate with each other via the Heartbeat
connection. Data cannot be synced between the servers.
Cause
This error usually occurs when there are hardware issues, such as loose
cables, broken cables, or LAN port malfunctions.
Resolution
1. Make sure that the Ethernet cable for the Heartbeat connection is
attached properly or replace it with another Ethernet cable.
2. If there is a switch between your servers, try the following:
• Make sure that the Heartbeat interfaces and the switch are properly
connected.
• Use another LAN port on the switch.
• Replace the switch.
3. If you are still unable to resolve the issue, refer to
Chapter 3: Contact
Customer Service
to contact Synology Technical Support for further
assistance.