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PANIC: nvram_mgr: cannot read nvramfile/disk, err=5

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ontap-select
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ontapselect
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Applies to

  • NetApp ONTAP Select
  • NetApp ONTAP Select Deploy
  • VMware ESXi
  • HPE ProLiant DL380 Gen10 (or other vendors)

Issue

  • HPE ProLiant DL380 Gen10 ESXi hosts are experiencing issues where the datastores used by OTS sporadically go into an "inaccessible" state.
  • Rebooting the host temporarily restores connectivity but the OTS node is unable to boot as it will panic:
PANIC: nvram_mgr: cannot read nvramfile/disk, err=5

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