QuestionQ23

Introduction to High-Availability in Clustered Data ONTAP

During which two operations does the high-availability (HA) partner replay NVRAM?

Choose two
  • A after triggering a sync core
  • B when a node is halted
  • C during a negotiated takeover
  • D when the node loses power
Explanation

ONTAP mirrors acknowledged but uncommitted writes to the HA partner’s NVRAM. When a partner takes over a node—whether through negotiated takeover or after the node loses power—it replays the mirrored NVRAM contents through WAFL and RAID so those acknowledged writes are committed to disk.

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