异常关闭后发生崩溃：NVRAM内容无效...系统无法启动并显示消息

适用场景

• ONTAP
• FAS

问题描述

• 在计划内断电期间、在节点2无法启动后发生异常关闭。

• 从BMC命令行界面访问时、 Loader 提示符的状态、即使 boot_ontap 从 Loader 系统发生崩溃且无法重新启动也是如此。

PANIC  : NVRAM contents are invalid...

version: 9.8P6: Tue Aug  3 12:23:18 EDT 2021

conf : x86_64.optimize

cpuid = 0

KDB: stack backtrace:

vpanic() at vpanic+0x70d/frame 0xfffff7005c84fbf0

panic() at panic+0x43/frame 0xfffff7005c84fc50

sk_panic() at sk_panic+0x63/frame 0xfffff7005c84fcb0

boot_nv_jettison() at boot_nv_jettison+0xbb/frame 0xfffff7005c84fce0

boot_from_disk() at boot_from_disk+0x1df1/frame 0xfffff7005c850250

boot_manager() at boot_manager+0x1b7/frame 0xfffff7005c850280

rc_main() at rc_main+0x7f/frame 0xfffff7005c8502e0

fork_exit() at fork_exit+0xc7/frame 0xfffff7005c850330

fork_trampoline_sk() at fork_trampoline_sk+0xe/frame 0xfffff7005c850330

--- trap 0, rip = 0, rsp = 0, rbp = 0 ---

Uptime: 2m50s

ahcich2: AHCI reset done: devices=00000001

 

PANIC: NVRAM contents are invalid...   in SK process rc on release 9.8P6 (C) on Sat Jan  7 01:05:13 GMT 2023

version: 9.8P6: Tue Aug  3 12:23:18 EDT 2021

compile flags: x86_64.optimize

• 检查 bootarg.init.boot_recovery，结果请参阅数字“8”。

LOADER-B> printenv bootarg.init.boot_recovery

 

Variable Name        Value

-------------------- --------------------------------------------------

bootarg.init.boot_recovery 8

• 即使使用以下命令删除了bad标志、系统仍无法启动。

LOADER-B> priv set advanced

LOADER-B*> unsetenv bootarg.init.boot_recovery

LOADER-B*> saveenv

LOADER-B*> boot_ontap