Political recognition primarily meanmeans recognizing a government as legitimate, which means having diplomatic relations with this government, concluding economic and military treaties, etc. On the other hand, laying claims to terrotoriesterritories is not up to Russia, but to the governments of the Donetsk and Luhansk republics. Russia may agree or disagree with these claims, as well as have its word, if these claims are ever discussed in the UN.
The Arab-Israeli conflict is a good example where the recognition of the State of Israel by many countries does not automatically imply recognition of this state's sovereignitysovereignty over east JerisalemJerusalem, the Golan Heights or those parts of the WestWest Bank that are considered Israeli territory under the Israeli law.