When a single storage node fails, it will trigger the following alert: (NODE_DOWN-MAJOR) ERROR. This will create an alert in the GRID GUI, but will not open a support ticket unless another storage nod...When a single storage node fails, it will trigger the following alert: (NODE_DOWN-MAJOR) ERROR. This will create an alert in the GRID GUI, but will not open a support ticket unless another storage node goes down which will trigger the alert: (NODE_DOWN-CRITICAL) ERROR. When two or more storage nodes go down there is a higher chance of business impact and data loss depending on the systems ILM rules and Erasure Coding scheme.