IBM大型機(jī)培訓(xùn)資料之1-OS390

1、ibm大型機(jī)培訓(xùn)資料之1-os390 os390 z/os an introduction what is ibm mainframe? mainframe large, powerful, central computer capable of supporting many hundreds or thousands of users simultaneously ibm mainframe specify the series of computers produced by ibm advantages reliability recoverability redundancy con

2、nectivity concurrency capacity security compatibility . history 1960s system 360 overall services over 10 models offered architecture innovations for future upward compatibility base-register addressing mode microprogramming 1970s system 370 mvs virtual storage (24-bit) multi-processing two compatib

3、le product lines 30xx - large systems 43xx - mid-range systems history 1980s system 370/xa mvs/xa virtual storage (31-bit) expanded storage added to 3090 model - a new form of processor storage, separate from main storage mid 1980s esa 370 (enterprise system architecture) access to data spaces - ano

4、ther form of virtual storage mvs/esa virtual storage (n*2g) history 1990s esa 390 and system 390 escon - enterprise system connections - fiber optic i/o parallel sysplex - coupling capable processors 21st century zos virtual storage (64-bit) intelligent resource director (ird) os390 architectured c

5、s t b i d s 2 c f o s i i s d s f t c p / i p d i t t o n e t v i e w r a c f d f s m s vtam jes2 os/390 z/os architecturelan servicescommunications server secureway security services systems management softcopy services cics ims/tm p. services distributed computing system services tso batch unix ap

6、pc stc application unix system enablement services applicationsdb2 ims/db nonvsam vsam hfs major elements dfsms storage management data management device management system display and search facility optional feature of os/390 monitor, manage and control mvs/jes2 system time sharing option allows us

7、ers to interactively share computer time and resources sdsf tso major elements ditto data interfile transfer testing and operations utility allows users to display, modify, delete, copy, print physical records of a vsam or sequential file ibms foundation for enterprise management network management

8、products provides tools for managing complex multi-vendor networks from a single point of control interactive tool helps you develop and maintain panels, panel groups, partition sets and control tables netview sdfii major elements vtam virtual telecommunications access method provides interface betw

9、een applications in a host processor and other resources in an sna network tcp/ip jes2 job entry subsystem provides functions to get jobs into, and output out of the os/390 system resource access control facility component of the os/390 security server racf racfgeneral users logon system with racf u

10、ser identification and verification resource authorization checkingaccess resources cics transactiondata set ims transactionvm mini disk tape access violation logging and reporting administrationlook at profile and set logging security administration access event smf report auditorspecial racf datab

11、ase major elements unix system services application services enables two open systems interfaces on the os/390 operating system: an application program interface (api) an interactive os/390 shell interface uniprocessorcentral processor mvs storage channel subsystem multiprocessorcp cp mvs cp cp stor

12、agechannel subsystem partitioning multiprocessorcp mvs cp cp mvs cp storagecss storagecss logical partitioning -lparcentral processor pr/smmvs storage css mvs storage css sysplexs y s p l e x s y s p l e x x c f xcfsingnaling paths x c f xcf couple data set system initialization load parms from sys1

13、.parmlib members from sys1.nucleus initial program loadbuild first address spaces and other system address spaces initial master catalog and system datasets load parameterload address xxxxsysres volume address load parm ddddxxsn n: 1 9 nucleus ieanuc 0n iodf volume address loadxx message suppression s: suppress message p: suppress message prompt m: display messages a: