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Patrick Nawracay wrote:

When editing or creating the RBD configuration of a pool or image, it is not clear which setting will be submitted if the user decided not to set a value, after he changed the input field and it hence has been marked as "dirty" (unless he immediately clicks on the reset button next to that field).

If the user edits a configuration and it has previously been set to "0", the user won't know that this is not the default value provided but the local value set for the image/pool unless the field is highlighted or otherwise marked as manually set.

When editing the QoS options of an RBD image and it actually was configured to inherit option X from the pool, this value is currently not being reflected in the edit-mode of RBDs - Patrick and I discussed about how to make this more clear within the UI - an option would be to display the actual (inherited) value below or above the input field. Another option would be to display the inherited value within the input field with the explicit hint that this value is the one inherited from the pool.

By highlighting the changed input field, the user could simply use the "reset" button to revert those changes.