Force progress in layout update trackers
Allow the skip even if a quorum of nodes could not be found for the data among the remaining nodes
Version number of the layout to assume is currently up-to-date. This will generally be the current layout version.
Request has been taken into account
Nodes for which the ACK update tracker has been updated to version
If allow_missing_data is set, nodes for which the SYNC update tracker has been updated to version