MetroCluster node can't boot after ONTAP upgrade
Applies to
- Fabric MetroCluster
- Upgrading to ONTAP 9.8 and above
- One or more FCVI adapters down
Issue
When upgrading to ONTAP 9.8 or above whilst one FCVI port is down, the system repeatedly panics
Example:
PANIC : prod/common/nv/flexlog/nv_flexlog.c:1887: Assertion failure.
version: version: 9.10.1P7: Tue Aug 2 04:59:50 EDT 2022
conf : x86_64
bsdver : 12.0
cpuid = 0
KDB: stack backtrace:
vpanic() at vpanic+0x6ec/frame 0xfffff70000009740
panic() at panic+0x43/frame 0xfffff700000097a0
sk_panic() at sk_panic+0x63/frame 0xfffff70000009800
fatal() at fatal+0x39/frame 0xfffff70000009810
ontap_assert_() at ontap_assert_+0x4a/frame 0xfffff70000009840
flxlog_init() at flxlog_init+0x7a3/frame 0xfffff70000009880
sysinit_thread() at sysinit_thread+0x1ab/frame 0xfffff70000009a70
fork_exit() at fork_exit+0x110/frame 0xfffff70000009ab0
fork_trampoline_sk() at fork_trampoline_sk+0xe/frame 0xfffff70000009ab0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---