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One node PANIC : Permanent errors on all HA mailbox disks

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Applies to

  • ONTAP 9
  • FAS2650 High-Availability (HA) pair

Issue

  1. Node 1 is down
  2. Node 2 took over and is serving data

cluster::> storage failover show
                              Takeover
Node           Partner        Possible State Description
-------------- -------------- -------- -------------------------------------
Node01          -              -        Node unreachable
Node02          -              false    Waiting for partner, Partial
                                       giveback, Takeover is not possible:
                                       Storage failover mailbox disk state
                                       is invalid, Local node has
                                       encountered errors while reading the
                                       storage failover partner's mailbox
                                       disks. , Disk inventory not exchanged

 

  1. When reseating motherboard of node 1 (down node) node 2 panics with HA mailbox disks:
 
PANIC: Permanent errors on all HA mailbox disks (while marshalling header) in SK process fmmbx_instanceWorker on release 9.1P3 (C) on Tue Nov 16 16:20:18 CET 2021
version: 9.1P3: Mon Apr 17 23:14:51 PDT 2017
compile flags: x86_64.optimize
Writing panic info to HA mailbox disks.
 
  1. Both nodes are down
 

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