Details
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Sub-task
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Status: Resolved
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Minor
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Resolution: Not A Problem
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Description
When we calculate DN's storage used, we add each Volume's used size together and each volume's size comes from it's BP's size.
When we use DF instead of DU, we know that DF check disk space usage (not disk size of a directory). so when check BP dir path, What you're actually checking is the corresponding disk directory space.
When we use this with federation, under each volume may have more than one BP, each BP return it's corresponding disk directory space.
If we have two BP under one volume, we will make DN's storage info's Used size double than real size.