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Browse Prior Art Database

Solution for Remote IPL of OS/2

IP.com Disclosure Number: IPCOM000122586D
Original Publication Date: 1991-Dec-01
Included in the Prior Art Database: 2005-Apr-04
Document File: 2 page(s) / 64K

Publishing Venue

IBM

Related People

Callaghan, D: AUTHOR [+4]

Abstract

The challenge was to design a solution for remote IPL of a medialess machine to run OS/2*. However, certain aspects of the design should be viewed as part of a general solution for remote IPL of any operating system which relies on a file-based system. Furthermore, server machines of many types operating as file servers should be able to implement the design. Any hardware supporting the OS/2 operating system and which contains the special adapter card and ROM should be able to take advantage of this design.

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This is the abbreviated version, containing approximately 53% of the total text.

Solution for Remote IPL of OS/2

      The challenge was to design a solution for remote IPL of
a medialess machine to run OS/2*.  However, certain aspects of the
design should be viewed as part of a general solution for remote IPL
of any operating system which relies on a file-based system.
Furthermore, server machines of many types operating as file servers
should be able to implement the design.  Any hardware supporting the
OS/2 operating system and which contains the special adapter card and
ROM should be able to take advantage of this design.

      The specific challenge to remote IPL an OS/2 machine is the
sheer volume of the operating system and its Extended Edition
components and its multitasking nature.  With DOS remote IPL design,
a single asynchronous task provides the capabilities associated with
the DOS, and a single, large image of a diskette provides the actual
code.  This image is stored on the remote IPL server.  OS/2 images
would be so large that to enable an OS/2 image would not be efficient
or would it perform adequately.  The IPL function is, therefore,
table-driven providing a high degree of customization and
flexibility, while optimizing DASD usage on the server. This table is
referred to as the File Index Table or FIT.

      The server program performs the following functions:
   . Open a service access point issue a receive
   . Receive a find frame request from a work station
   . Identifies the node name (token ring adapter ID) of remote IPL
requester
   . Issue a found frame
   . Scans the RIPL Control File using node name to indentify the...