Virtual Storage Access Method (VSAM) is an IBM direct-access storage device (DASD) file storage access method, first used in the OS/VS1, OS/VS2 Release...

(LIOCS) sequential access method (SAM) direct access method (DAM) indexed sequential access method (ISAM) virtual storage access method (VSAM) Physical IOCS...

comparable with the Virtual Storage Access Method (VSAM), which was at that time a new and supposedly converged access method for disk storage. Originally, VTAM...

store. ISAM was replaced at IBM with a methodology called VSAM (virtual storage access method). Still later, IBM developed SQL/DS and then Db2 which IBM promotes...

granularity or access granularity. One common method to address these limits is to use multiple levels of virtualization. In several storage systems deployed...

sequential access method BPAM - Basic partitioned access method ISAM - Indexed sequential access method VSAM - Virtual storage access method, introduced...

VSAM—Virtual Storage-Access Method VSAT—Very Small Aperture Terminal VT—Video Terminal VTL—Virtual Tape Library VTAM—Virtual Telecommunications Access Method VRAM—Video...

of IBM computer operating systems An Alternate Index, for a Virtual Storage Access Method Key Sequenced Data Set Athens Internet Exchange, a European...

including virtual computer hardware platforms, storage devices, and computer network resources. Virtualization began in the 1960s, as a method of logically...

VM Virtual Storage Access Method (VSAM) – for IBM's z/OS and z/VSE mainframe operating systems Shared-disk file systems (also called shared-storage file...

System or other data structures such as Virtual Storage Access Method (VSAM) or Indexed Sequential Access Method (ISAM), or even formats fetched from outside...

least one direct access storage device. Although OS/360 itself was discontinued, successor operating systems, including the virtual storage MVS and the 64-bit...

A storage area network (SAN) or storage network is a computer network which provides access to consolidated, block-level data storage. SANs are primarily...

serves as a storage device for a file system. File systems such as tmpfs can store files in virtual memory. A virtual file system provides access to files...

systems) for their data sets: IDCAMS ("Access Method Services") generates and modifies Virtual Storage Access Method (VSAM) and Non-VSAM datasets. IDCAMS...

several notable caveats. Access to physical system resources (such as the network access, display, keyboard, and disk storage) is generally managed at...

the UNIX System Services system log (syslogd) Entry-sequenced Virtual Storage Access Method (VSAM) cluster z/OS system log (SYSLOG) IBM Tivoli NetView for...

call stack (called a "Java Virtual Machine stack" for clarity), which stores frames. A new frame is created each time a method is called, and the frame...

client device that is used to access it. Desktop virtualization can be used in conjunction with application virtualization and user profile management systems...

leak Virtual memory Memory protection Page address register Stable storage Static random-access memory (SRAM) Cloud storage Hybrid cloud storage Data...

storage (NAS) is a file-level (as opposed to block-level storage) computer data storage server connected to a computer network providing data access to...

the structure of an RMS file. Primarily BDAM BSAM ISAM QSAM Virtual Storage Access Method (VSAM) Primarily DOS/360 and successors through z/VSE OS/360...

size of the virtual address space beyond the available amount of RAM using paging or swapping to secondary storage. The quality of the virtual memory manager...

Single Virtual Storage (SVS) refers to Release 1 of Operating System/Virtual Storage 2 (OS/VS2); it is the successor system to the MVT option of Operating...

3270 OS/360 and successors Transaction Processing Facility Virtual Storage Access Method (VSAM) "IBM CICS Transaction Server for z/OS, V5.6 delivers...

Retrieved 2 October 2013. Introduction to IBM Direct-access Storage Devices and Organization Methods. International Business Machines Corporation. 1966...

overall memory capacity. On some systems, a request for virtual storage may allocate a block of virtual addresses for which no page frames have been assigned...

stored data, such as location, storage structure, API, access language, and storage technology. Virtualized Data Access – Connect to different data sources...

Secondary Index function. MSDBs do not support secondary indexing. Virtual Storage Option (VSO) DEDBs can replace MSDBs in modern IMS releases, so MSDBs...

VSEn (Virtual Storage Extended) is an operating system for IBM mainframe computers, the latest one in the DOS/360 lineage, which originated in 1965. It...