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nested machine check exception panic and node is unresponsive

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Category:
fas-systems
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hw
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Applies to

  • FAS 8300
  • ONTAP 9

Issue

  • Node panics with nested machine check exception, with no coredump.

PANIC: nested machine check exception detected on CPU 8, no coredump will be generated.

  • Node is unresponsive. And no error is detected in BMC logs.

cluster::> storage failover show
Takeover
Node           Partner        Possible State Description
-------------- -------------- -------- -------------------------------------
node-01        node-02        -        Unknown

node-02        node-01        false    In takeover

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