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Dedicated service tools

Dedicated service tools (DST) is used to service Licensed Internal Code, 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.

Dedicated service tools requirements

Note: It is a requirement to change the password the first time anyone signs on to DST or SST. The authorized service provider needs to give the new or changed password to the customer or have the customer change the password.

To use DST, you must have the following items:

The disk that contains the Licensed Internal Code, which is shown as the load-source disk.
Note: When you perform an alternate initial program load (IPL) to DST, you do not need the load-source disk.
An operational workstation on bus 1 as either a primary console or an operations console.
One workstation capable of communicating with each system partition.
A valid service tools user ID and password to sign on to DST. IBM® supplies service tools user IDs that have different levels of privileges.

Attach the printer to the workstation I/O processor or storage media unit that is performing the service function. The printer that is used with DST for service tool output must be an SCS-type data stream printer.

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Last updated: Fri, March 20, 2015