Participation of Russian Institutes in the Processing and Storage of ALICE Data

This report presents the results of the work of Russian institutes in the processing of ALICE experiment data during the last 3 years of the operation of the Large Hadron Collider (LHC) including the end of the LHC Run2 and the 1st year of the COVID-19 pandemic. The main problems and tasks facing both ALICE Grid Computing and its Russian segment before the LHC Run3 including the problems of support and modernization of existing resources are considered. Also, plans for the preparation for the operation of the LHC in the HL (High Luminosity) mode are presented.