Synology DS920 Synology High Availability SHA Troubleshooting Guide for DSM 7. - Page 32

Warning: An SSD cache on the passive server crashed, Contact, Customer Service

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Chapter 2: SHA Troubleshooting Resolution 1. Do the following to make sure the quorum server can accept and respond to PING messages from the passive server: • Make sure that there are no hardware issues, such as loose cables, broken cables, or switch malfunctions. • Make sure that the connection between the passive server and the quorum server is not blocked by any network rules. • Make sure that the routing rules on all hosts, switches, and routers are configured correctly. 2. If you are still unable to resolve the issue, refer to Chapter 3: Contact Customer Service to contact Synology Technical Support for further assistance. Related Notifications • Status of high-availability cluster My_SHA_Hostname is abnormal [Details: My_Passive_Hostname (passive server) cannot detect the quorum server] Possible Logs • [warning] Auto failover is temporarily unavailable: My_Passive_Hostname (passive server) cannot detect the quorum server. 2.2.26 Warning: An SSD cache on the passive server crashed Warning An SSD cache on passive server My_Passive_Hostname crashed. Suggestion: Replace the failed SSD on passive server My_Passive_Hostname with a new one and repair the SSD cache in Storage. LED Indicator Passive server • Models without ALERT LED: • STATUS: Static orange • Models with ALERT LED: • STATUS: Static green • ALERT: Blinking orange or red The ALERT and STATUS LEDs are located on the front of your device. Refer to your device's Hardware Installation Guide for more details. Description • The SSD cache and its data on the passive server may be corrupted. • The system is unable to perform auto-failover while in this state. Cause A hard disk error may have occurred on the passive server. Resolution Refer to the Crashed storage space or SSD cache section in 2.3.1 Repair volumes on the passive server to repair the storage space. Related Notifications • Status of high-availability cluster My_SHA_Hostname is abnormal [Details: One or more crashed volume/LUN detected on My_Passive_Hostname (passive server)] • SSD Cache X on My_Passive_Hostname (My_SHA_Hostname) has crashed Possible Logs • [warning] Auto failover is temporarily unavailable: One or more crashed volume/LUN detected on My_Passive_Hostname (passive server). 30

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Chapter 2: SHA Troubleshooting
Resolution
1. Do the following to make sure the quorum server can accept and
respond to PING messages from the passive server:
• Make sure that there are no hardware issues, such as loose cables,
broken cables, or switch malfunctions.
• Make sure that the connection between the passive server and the
quorum server is not blocked by any network rules.
• Make sure that the routing rules on all hosts, switches, and routers are
configured correctly.
2. If you are still unable to resolve the issue, refer to
Chapter 3: Contact
Customer Service
to contact Synology Technical Support for further
assistance.
Related
Notifications
• Status of high-availability cluster My_SHA_Hostname is abnormal [Details:
My_Passive_Hostname (passive server) cannot detect the quorum server]
Possible Logs
• [warning] Auto failover is temporarily unavailable: My_Passive_Hostname
(passive server) cannot detect the quorum server.
2.2.26 Warning: An SSD cache on the passive server crashed
Warning
An SSD cache on passive server My_Passive_Hostname crashed.
Suggestion
: Replace the failed SSD on passive server My_Passive_Hostname with a new one
and repair the SSD cache in
Storage
.
LED Indicator
Passive server
• Models without ALERT LED:
• STATUS: Static orange
• Models with ALERT LED:
• STATUS: Static green
• ALERT: Blinking orange or red
The ALERT and STATUS LEDs are located on the front of your device. Refer
to your device's
Hardware Installation Guide
for more details.
Description
• The SSD cache and its data on the passive server may be corrupted.
• The system is unable to perform auto-failover while in this state.
Cause
A hard disk error may have occurred on the passive server.
Resolution
Refer to the
Crashed storage space or SSD cache
section in
2.3.1 Repair
volumes on the passive server
to repair the storage space.
Related
Notifications
• Status of high-availability cluster My_SHA_Hostname is abnormal [Details:
One or more crashed volume/LUN detected on My_Passive_Hostname
(passive server)]
• SSD Cache X on My_Passive_Hostname (My_SHA_Hostname) has crashed
Possible Logs
• [warning] Auto failover is temporarily unavailable: One or more crashed
volume/LUN detected on My_Passive_Hostname (passive server).