Node rebooted without panic due to power issue

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Category:: fas-systems

Specialty:: hw

Last Updated:

Applies to

FAS Systems

ONTAP 9

Issue

Following the reboot of the nodes, EMS may print it rebooted due to a power glitch:

[?] Fri Feb 28 03:39:47 PDT [Node-01: splog_main: mgr.boot.reason_abnormal:EMERGENCY]: System rebooted due to a power glitch.

The node rebooted with following events in the SP events log

Record 407: Fri Feb 28 03:34:17.489482 2020 [Agent.notice]: 127.880: 3 : AC Power Loss Signal PSU1 de-asserted 
Record 408: Fri Feb 28 03:34:17.489664 2020 [Agent.notice]: 128.100: 4 : AC Power Loss Signal PSU2 de-asserted 
Record 409: Fri Feb 28 03:34:17.557708 2020 [Agent.notice]: 196.145: 4 : AC Power Loss Signal PSU2 asserted 
Record 410: Fri Feb 28 03:34:17.570049 2020 [Agent.notice]: 208.526: 3 : AC Power Loss Signal PSU1 asserted 
Record 411: Fri Feb 28 03:34:17.635848 2020 [Agent.notice]: 274.301: 14 : Attention LED (at Midplane) asserted 
Record 412: Fri Feb 28 03:34:23.431854 2020 [Agent.notice]: 070.290: 14 : Attention LED (at Midplane) de-asserted 
Record 413: Fri Feb 28 03:34:27.516634 2020 [SP.warning]: AC_OK Low Detected
Record 414: Fri Feb 28 03:39:47.237602 2020 [Agent.notice]: 875.689: 11 : Controller Attention LED asserted 
Record 415: Fri Feb 28 03:39:47.237772 2020 [Agent.notice]: 875.689: 14 : Attention LED (at Midplane) asserted 
Record 416: Fri Feb 28 03:39:47.881358 2020 [Agent.notice]: 519.806: 49 : PCH Platform Reset asserted 
Record 417: Fri Feb 28 03:39:47.881536 2020 [Agent.notice]: 519.867: 63 : BIOS Complete from PCH de-asserted 
Record 418: Fri Feb 28 03:39:47.891265 2020 [Agent.notice]: 528.539: 49 : PCH Platform Reset de-asserted 
Record 419: Fri Feb 28 03:39:47.942198 2020 [SP.critical]: Filer Reboots