Monitored and Supervised the DC Operator; who conducted a Systems’ Health Checks, Physical Machine's status checks; and mainly the replacement of the two new sets of backup tapes to be used for the next two weeks, which were conducted at the DataOne (colocation) site, 6th floor, IBM Plaza, Libis, Q.C.
The workaround of deallocating the Tape drive (TAP01) to allocate the spare Tape drive (TAP04) were done successfully last night; and the issue of  having replaced the defective Tape drive was also done by the IBM Support Engr. but, this is still under monitoring. It will still depend on tonight's daily backup results. 