E系列控制器重置watchdog超时的原因

适用场景

• NetApp E 系列
• NetApp EF570
• SANtricity 操作系统软件11.50

问题描述

• 一个控制器脱机会触发核心转储
• 控制器重置原因为 REBOOT_SX_BY_WATCHDOG_TRIGGER,WATCHDOG TIMEOUT,5e802bb1
• 以下事件日志已在支持包中捕获、如下所示：

Date/Time:  2020-03-29 05:03:03
Sequence number: 185854
Event type: 4010
Event category: Internal
Priority: Informational
Description: Controller reset
Sense Key/ASC/ASCQ: No Additional Sense Information. The controller has no
    sense data available for the requesting host and addressed logical unit
    combination.(0/00/00)
Component type: Controller
Component location: Shelf 80 - Bay B
Logged by: Controller in bay B
Main reboot reason: REBOOT_SX_BY_WATCHDOG_TRIGGER
Extra (optional) reason:1
The time that the reboot command was issued:5e802bb1
No of times reboot reason and extra repeated:0

---- Log Entry #121 (Internal Core) Mar-29-2020 12:00:16 AM ----

WATCHDOG TIMEOUT on cores:0
---- Log Entry #122 (Core 0) Mar-29-2020 12:00:53 AM ----
Exception from kernel core:
2020-03-29 05:01:41.224533
WATCHDOG TIMEOUT