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DP does not balance for me?


Umfriend

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Hi,

So I am running WSE2016 now. Clean install of DP, everything (everything) with default settings. I have a hierarchical Pool as follows:
1. P:\, x2 duplication, consisting of Q:\ and R:\
2. Q:\ and R:\ are both Pools, no duplication, each with 2x4TB and 1x2TB HDDs. No weird partitioning or anything, just plain HDDs.

Now on Q and R, I have 1.3TB of data. The 2TB HDD is not used (as expected). Due to the deletion of a whole lot of files earlier, 4TB HDD1 as 253GB and 4TB HDD2 has 1.0TB of data. Same for both Pools Q and R. It has been like this for days and I have remeasured regularly. But for one reason or another, the data is not balanced between the two 4TB HDDs. Pool Organization is always optimal (full green bar). This is not the expected behaviour, is it? I would think the data would be spread out evenly over the two 4TB HDDs with a balancing pass.

If, however, I remove a 2TB HDD from either Pool, then DP starts working right away... What's up with that?

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It wouldn't, normally.  Unless one of the drives is very full, or there is "unusable for duplication" space, or unreadable sectors, the software won't automatically rebalance the data  to equalize disk usage.  Over time, it should do this though.

If you want to force it, you'd need to install the Drive Space Equalizer balancer plugin. 

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