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Dynamic Tiering (HDT) Tier Utilization

Question asked by Kris Queen on Oct 7, 2014
Latest reply on Oct 19, 2014 by Dang Luong

Is there a way to push data down storage pool tiers to allow the additional spindles in lower tiers to activate and provide additional performance?

 

Here is the example:

 

HDP Pool - 680TB Total Usable Capacity

Broken Down by:

Tier 1 Pool

- 19TB Flash

- 98% Utilization

Tier 2 Pool

- 360TB 600GB 10k SAS

- 67% Utilization

Tier 3 Pool

- 300TB 4TB NL-SAS

- 0% Utilization

 

I know the NL-SAS tier will fill as the array gets more consumed, but if there a way to have 10-15% of the SAS Tier push down into the NL-SAS Tier without waiting for the SAS Tier to fill?

 

I feel like there is a simple setting to change that would make this happen.

 

Thanks.

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