Which are the specifics to run an IT environment with SAP HANA?
SAP schedules SAP HANA Operation Experts Summits throughout the year, where practitioners share their experience. After the event, SAP publishes the FAQ's:
Is there a book available on SAP HANA Administration?
Probably the key book (IMHO) is SAP HANA Administration by the SAP colleagues Richard Bremer and Lars Breddemann