Browse Prior Art Database

SUPPORTING PARALLEL ACCESS VOLUMES USING ADJUNCT CHANNEL SUBSYSTEMS

IP.com Disclosure Number: IPCOM000013353D
Original Publication Date: 2000-Nov-20
Included in the Prior Art Database: 2003-Jun-18

Publishing Venue

IBM

Abstract

The S/390 I/O architecture provides for up to 64K subchannels to be defined to a single operating system. However, today we see control units being built with a very large number of devices; it is possible to have control units which support multiple subchannels for a single device,