file availability造句

While there are tools for dynamically allocating compute and network resources, SRMs are the only tool available for providing dynamic space reservation, guaranteeing secure file availability with lifetime support, and automatic garbage collection that prevents clogging of storage systems.
A learning experience for vendors and libraries, the database companies were praised for their extensive coverage of Korean academic journals, but presented with issues they needed to work on, issues of copyright, pricing and a more secure backup file availability like mirror sites.
It's difficult to find file availability in a sentence. 用file availability造句挺难的