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Chapter 1. Dedicated Service Tools (DST)
Introduction ..............1
DedicatedServiceToolsrequirements.....1
System paging environments .........2
Stand-alone paging (non-paging) ......2
Limited paging ............2
Full paging ..............3
Accessing Dedicated Service Tools .......4
Performing an IPL to DST .........4
Changing a service tools user ID.......5
Resetting QSECOFR service tools user ID....6
Performing an IPL to DST for secondary partitions 6
Pressing the System Request Key while the system
is operational .............7
Selecting Function 21 while the system Is
operational ..............7
Performing an alternate IPL to DST (type D IPL) . 8
Function keys (in DST) ...........9
Exiting Dedicated Service Tools........10
DSToptions..............10
Installing Licensed Internal Code ......11
Installing the operating system .......11
Perform an IPL ............11
Work with Licensed Internal Code......11
Licensed Internal Code general information . 12
Options and function keys .......12
Workwithdiskunits..........13
Options on the Work with Disk Units Display 14
Work with Dedicated Service Tools environment 23
Work with active service tools ......24
Work with system devices .......25
Work with service tools user IDs .....25
Workwithsystemvalues........26
Work with alternate installation device . . . 27
Select DST console mode ........27
Start a service tool ...........28
Options on the Start a Service Tool display . . 28
Perform automatic installation of the operating
system ...............39
Save Licensed Internal Code........40
Work with save storage and restore storage. . . 40
Work with remote service support ......40
Allowing access for remote service support. . 41
Activating remote service support .....41
Work with system partitions ........42
Work with system capacity ........42
Work with system security ........42
Introduction
Dedicated service tools (DST) is used to service Licensed Internal Code (LIC), work
with disk units, work with configuration and resources, verify devices and
communications, and display logs on the system.
DST operates in stand-alone, limited, and full paging environments. The DST tools
and functions vary depending on the paging environment and the release level of
the operating system. For more information, see “System paging environments” on
page 2.
System Service Tools (SST) provides a way to access a subset of the service tools
that DST offers without requiring access to DST. SST is available when OS/400 is
operational, and can be accessed using the STRSST CL command.
Dedicated Service Tools requirements
Attention: It is a requirement to change the password the first time anyone signs
on to DST or SST. The customer engineer needs to give the new (changed)
password to the customer or have the customer change the password.
To use DST, you must have the following items:
v The disk that contains the Licensed Internal Code (the load-source disk).
Note: When you perform an alternate initial program load (IPL) to DST, you do
not need the load-source disk.
v An operational workstation on bus 1 as either a primary console or an
operations console.
© Copyright IBM Corp. 1997, 2002 1