IBM AS/400e Manual page 11

These steps affect how they system stops active jobs when you start DST, including the system partition's
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service function. You may need to wait five minutes before starting service functions in DST that were
active in SST when you entered option 21.
To force DST from SST follow these steps:
1. Use the STRSST command to start SST.
2. Select option 5 (Work with system partitions).
3. Select option 2 (Work with partition status).
4. Use the cursor to select the logical partition on which you want DST.
5. If the partition is not in manual mode, select option 10 (Mode manual).
6. Select option 21 (Force DST). If you are forcing DST from the logical partition workstation where you
want DST, the workstation will experience a device I/O error and end abnormally. This is normal.
7. Sign on to DST.
8. Before you exit DST, set the logical partition back to normal mode if you want the next IPL to be
unattended.
Chapter 1. Controlling logical partitions with DST and SST
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