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SSD Optimizer results in large unusable for duplication size.



I have a pool of 8 drives, half of which are SMR. As you may know, large SMR writes are painful. 

Therefore, I attempted to make use of the SSD Optimizer balancer to prioritize real-time writes to my CMR drives and fill the SMR drives in the background.

However, now I'm in a situation where a third (1.7/4.7 TB) of my free space is not available for duplication.


My CMR drives make up the larger portion of my pool (28/50 TB) so I thought my plan would work without any issues.

I followed some of the suggestions on the pinned "SSD Optimizer problem" thread but the problem remains.

I've rebalanced several times without anything significant changing.


Hoping someone can advise me on how to make that space available for duplication. Thanks in advance.





SSD Optimizer 1.PNG

SSD Optimizer 2.PNG

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