Al-Farabi and the Otrar library

The great scientist Abu Nasr Al-Farabi could only dream of such a library. However, today the dream of all scientists would be to find a book depository founded by him personally. «Ancient chronicles unanimously assert that over the centuries, thousands and thousands of books from around the world — Kipchak chronicles, Arabic dastans, books written on white shagreen skin, Muslim inzhalis, the gospel of Christians ...» were collected at the Otrar library. Dukenbai Doszhanov, Vladimir Malov «Hills of Otrar». But where are priceless manuscripts stored? Could the great philosopher himself have founded the Otrar library when he left his native land?