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The sysGlobalTmmStatTmUsageRatio5s and sysGlobalTmmStatNpus OIDs read lower than expected given the traffic on the system. The values suddenly increase when a non-running blade is powered down.
Misleading, confusing statistics
This occurs on a chassis where one or more of the blades are not in the cluster, but are not powered down. The usage ratios and Npus stats treat the blades as if they are in the cluster, and are factored into the calculation, making them appear lower than they actually are because non-working blades are in the calculation.
You can completely power down the blade and it will be removed from the statistics calculation.
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