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CONTAP-806844: Node Moves Write Journal to a Less Protected Mode During Extended Battery Power on Google Cloud

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On ONTAP systems in Google Cloud that use the true zonal configuration, a node that stays on battery power for more than about three minutes can move its write journal from persistent storage to a less protected mode while battery power is still active. Normally, the node stays on persistent storage until AC power returns. In this case, if the host loses power before AC is restored, writes that were acknowledged but not yet protected may not be recoverable.

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