If I read manual, I would save a lot of time and trouble. EdgeCore ES3528_52M switches have ability to schedule reboot in exact date and time (assuming you have correctly synchronized time via NTP). Strongly useful for software upgrades.
In our network we have deployed dozens of EdgeCore ES3528M/ES3552M switches. However, after frequent upgrades and configuration changes, often happens that old config files, opcodes, boot-roms will remain int the flash memory and are no longer needed. Fortunately, since opcode version 1.4.4.0 there is command available which deletes all inactive …