As for the attention threshold of attention threshold/warning threshold of the Tier pool and FTV, each meaning is different.
It explains each meaning as follows:
Figure 3.7 Caution Threshold and Warning Threshold of Tier pool
Figure 3.8 Caution Threshold of FTV
Information
The above-mentioned figure explains for the ETERNUS DX S4 series (excluding DX60 S4), DX S3 series (excluding DX60 S3), or the ETERNUS AF All-Flash Arrays.
