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E-Series controller hit several panics within short time frame in dual controller system

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Category:
e-series-santricity-os-controller-software
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esg
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Applies to

  • NetApp E-Series
  • StorageGrid Storage Appliances

Issue

Dual controller system hit different panic within few months always on the same controller:

excLogShow from STATE-CAPTURE-DATA in support bundle/AutoSupport

  • PANIC: cachePurge
  • PANIC: IOP layer (1) timeout!
  • PANIC: SIGSEGV Received

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