Synology DS920 Synology High Availability SHA Troubleshooting Guide for DSM 7. - Page 44

Chapter 2: SHA Troubleshooting 2.2.48 Warning: SSD cache on the active server is degraded Warning SSD cache on active server My_Active_Hostname is degraded. Suggestion: Replace the failed SSD with a new one on active server My_Active_Hostname and repair the SSD cache in Storage. LED Indicator Active server • The LED of the damaged drive: Static orange or off Description The SSD cache on the active server is degraded, but your data is still available. Cause A hard disk error may have occurred on the active server. Resolution Replace the damaged drive with a healthy drive. Refer to the Degraded storage space or SSD cache section in 2.3.2 Repair volumes on the active server to repair the storage space. Related Notifications • SSD cache X on My_Active_Hostname (My_SHA_Hostname) has degraded Possible Logs • SSD Cache [X] has degraded [1/2], please repair it. 2.2.49 Warning: Some drives for the storage pools are placed in different slots on the active and passive servers Warning Some drives for the storage pools are placed in different slots on the active and passive servers. Suggestion: Go to Storage Manager for more details. Description Drives for the storage pools are placed in difference slots on the active and passive servers. Cause Any of the following occurred on the active server: • Some operation was performed on the storage space. • Hot-spare repair was triggered while the passive server was offline. • Drives were manually moved to different slots. Resolution Check the storage pool's status in Storage Manager > Storage and follow the instructions displayed. Related Notifications • Status of high-availability cluster My_SHA_Hostname is abnormal [Details: Detected drives for the storage pools are placed in different slots on the active and passive servers.] Possible Logs • [warning] Detected drives for the storage pools are placed in different slots on the active and passive servers. 42