Synology DS920 Synology High Availability SHA Troubleshooting Guide for DSM 7. - Page 45

Chapter 2: SHA Troubleshooting 2.2.50 Warning: The Synology High Availability package version on the hosts is inconsistent Warning The Synology High Availability package version on the hosts is inconsistent. Details: The switchover service of the high-availability cluster is temporarily suspended. My_Active_Hostname (active server): 2.0.8-0579 My_Passive_Hostname (passive server): 2.0.6-0575 Suggestion: Contact Synology Technical Support for further assistance. Description The Synology High Availability package version is different on the active and passive servers. Cause This warning is usually caused by an error that occurs during a Synology High Availability package update, which resulted in only one of the servers being upgraded. Resolution If the version on the active server is higher: 1. Go to Cluster and click Manage > Remove passive server. 2. The active server will continue to provide services and the passive server will return to standalone status. 3. Update the passive server to the same package version as the active server. 4. Refer to Chapter 3.2: Create a cluster of the Synology High Availability (SHA) User Guide for instructions on how to add the passive server back to the cluster. If the version on the active server is lower: 1. Go to Cluster and click Manage > Remove passive server. 2. On the active server, go to Cluster and click Manage > Update package. The cluster will stop providing services for a short period of time. 3. Refer to Chapter 3.2: Create a cluster of the Synology High Availability (SHA) User Guide for instructions on how to add the passive server back to the cluster. Related Notifications • Status of high-availability cluster My_SHA_Hostname is abnormal [Details: Synology High Availability version mismatch] Possible Logs • [warning] Auto failover is temporarily unavailable: Synology High Availability version mismatch. 43