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balanced and it removed all "other data" and now its back after a re-measure


klepp0906

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Ugh.. talk about triggering.  I have 2 pools.  one has very little other data relative to the media present.  maybe 3gb against 40TB of actual data.   I have another pool that also has about 40TB and after a full on disk equalizer balance pass it removed it all.  showed 0 other data which was great, as i didnt expect there to be any outside of necessary metadata made by drivepool.

I ended up doing a re-measure and now its showing 23.5gb.....  from zero after balancing to 23.5gb.  

should i assume the latter number is correct and the first time it didnt calculate it for some reason?  and is 23.5gb an unreasonable amount for metadata against this volume of data?  Since both pools have the same amount of disks, the same amount of total storage, the same size of disks... the only thing i can come up with is the metadata is generated in blocks and on the pool that has barely any "other" data the files are way way way fewer in number because theyre big whereas the pool that shows ~24gb of "other" data theres a few million files i believe.  lots of small stuff. 
 

confirmation thats the culprit or do i have something else going on? 

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