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Status Submitted
Created by Guest
Created on Oct 30, 2026

Cluster upgrade returns alerts against nodes indicating communication failures

When upgrading Defender Data Protect, the application can return alerts indicating communication failures with disks/systems:

MarkDiskForRemoval
MetadataServerUnreachable

These alerts occur during the upgrade process and impact the node health/status. The issue is consistently resolved after nodes are rebooted, either during the upgrade process or after it completes.

Cohesity defines these alerts as transient if they are resolved after the upgrade processing/reboots complete, and they are due to how the upgrade processing works. Recommend having the upgrade processing enhanced to manage these alerts during upgrade processing more effectively.

Idea priority Medium