Input/Output Supervisor Block
id:
input-output-supervisor-block-267-785232
title:
Input/Output Supervisor Block
text:
An Input/Output Supervisor Block (IOSB) is a data structure used by the Start Input/Output (STARTIO) interface of MVS/370 and successor IBM mainframe operating systems. It is used to communicate information regarding an I/O request among the requestor of an I/O service, the I/O supervisor, error-recovery procedures, the write-to-operator (WTO) subsystem, statistics-update modules, and among the components of the I/O supervisor. An IOSB is always paired with a Service Request Block (SRB). The SRB
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Input/Output_Supervisor_Block
date created:
date modified:
2024-02-20T03:24:54Z
main entity:
{"identifier":"Q16911568","url":"https://www.wikidata.org/entity/Q16911568"}
image:
fields total:
13
integrity:
13