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Virtual Storage Access Method (VSAM) [1] is an IBM direct-access storage device (DASD) file storage access method, first used in the OS/VS1, OS/VS2 Release 1 (SVS) and Release 2 (MVS) operating systems, later used throughout the Multiple Virtual Storage (MVS) architecture and now in z/OS.
Settings may be in a different location in each email client, though the AOL server and port settings will always be the same. For additional questions specific to the email client, check the manufacturer’s website. Manufacturers cannot answer questions about your AOL Mail settings, or your AOL username or password.
A virtual storage area network (virtual SAN, VSAN or vSAN) is a logical representation of a physical storage area network (SAN). A VSAN abstracts the storage-related operations from the physical storage layer, and provides shared storage access to the applications and virtual machines by combining the servers' local storage over a network into a single or multiple storage pools.
VSAM—Virtual Storage-Access Method; VSAT—Very Small Aperture Terminal; VT—Video Terminal; VTL—Virtual Tape Library; VTAM—Virtual Telecommunications Access Method; VRAM—Video Random-Access Memory
Storage Group List of storage volumes with common properties Aggregate Group Backup or recovery of all data sets in a group in a single operation Copy Pool. The installation can also define automatic class selection (ACS) rules that can test, e.g., data set name, and select list names based on installation policies and user requests.
WWN zoning (also called name zoning) restricts access by a device's WWN. As the WWN is on the host, the port the host is connected to can be moved and access is still preserved. Connecting a new device into a port previously used by a WWN zone device will not convey any access to the previous device's resources.
In computer science, storage virtualization is "the process of presenting a logical view of the physical storage resources to" [1] a host computer system, "treating all storage media (hard disk, optical disk, tape, etc.) in the enterprise as a single pool of storage." [2] A "storage system" is also known as a storage array, disk array, or filer ...
An access method is a function of a mainframe operating system that enables access to data on disk, tape or other external devices. Access methods were present in several mainframe operating systems since the late 1950s, under a variety of names; the name access method was introduced in 1963 in the IBM OS/360 operating system. [ 1 ]