After attempting to perform an ONTAP upgrade, it fails during the pre-check.
In this scenario, what would cause this problem?
A. idle SnapMirrors
B. encrypted volumes
C. offline data LIF
D. offline volume
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D
https://docs.netapp.com/us-en/ontap/upgrade/task_verifying_storage_health_verifying_that_the_cluster_is_ready.html
Verify that all volumes are online by displaying any volumes that are not online:
volume show -state !online
All volumes must be online before and after performing a major upgrade or reversion.
A
https://docs.netapp.com/us-en/ontap/upgrade/concept_upgrade_requirements_for_snapmirror.html
Before upgrading a cluster that is running SnapMirror, SnapMirror operations must be quiesced for each node that contains destination volumes, and each peered SVM must have a unique name across the clusters.