Handling L2 Watchdog Resets on the AFF A900 and FAS9500 Platform
Applies to
- AFF A900
- FAS9500
Issue
- Node reboots unexpectedly. Example:
[IPMI.notice]: 036c | 02 | EVT: 6fc124ff | System_Watchdog | Assertion Event, "Hard reset"
[IPMI Event.critical]: L2 watchdog timeout hard reset
- or the node does not reboot after an unexpected shutdown. Example:
[IPMI.notice]: 0076 | 02 | EVT: 6fc302ff | System_Watchdog | Assertion Event, "Power cycle"
[IPMI Event.critical]: L2 watchdog timeout power cycle
- If the node reboots, the following error can be seen in the EMS log files. Example:
[netapp: splog_main: mgr.boot.reason_abnormal:EMERGENCY]: System rebooted due to a watchdog reset.
[netapp: splog_main: callhome.reboot.watchdog:alert]: Call home for REBOOT (watchdog reset)
- If node is unable to reboot,
system senors
from the BMC may show theAttn_Sensor1
asAsserted
SysReset | 0x0 | discrete | | na | na | na | na
System_Watchdog | 0x0 | discrete | | na | na | na | na
Attn_Sensor1 | 0x0 | discrete | Asserted | na | na | na | na