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...

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...

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

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...

IBM computer operating systems Alternate index, for an IBM Virtual Storage Access Method key-sequenced data set Athens Internet Exchange, a European...

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...

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

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

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...

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

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

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

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...

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

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...

applications to access different types of concrete file systems in a uniform way Storage hypervisor: the software that manages storage virtualization and combines...

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...

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...

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...

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

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...

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...

Data Facility Storage Management Subsystem (DFSMS) is a central component of IBM's flagship operating system z/OS. It includes access methods, utilities...

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

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...

data storage devices (e.g. disk storage, hard disk drives, optical discs, floppy disks, and magnetic tape), and early computer storage methods such as...