virtual file storage

基本解释

It is possible for a virtual instance to share persistent storage via file sharing technologies like NFS/GPFS and SAMBA.
虚拟实例可以通过诸如 NFS/GPFS 和 SAMBA 等文件共享技术来共享持久性存储。
VSAM (Virtual storage access method) is the file management system designed specifically for the virtual system environment by IBM.
是IBM为虚拟环境系统设计的文件管理系统。
VSAM is a kind of file which use the virtual storage access method, it belongs the second phase of the development of data management technology.
利用此技术的数据文件称为VSAM文件，它属于数据管理技术发展的第二个阶段——文件系统。