Toshiba Tecra S3 Maintenance Manual page 237

Tests and Diagnostics
(c) Execute Creation
This option is displayed, only when the setting is changed in the "Create
State".
Set the cursor bar to "Execute Creation" and press Space or Back Space.
The following message will appear:
Warning: If you change RAID array, you need to install
OSagain. Are you sure? All data on the HDD(s) will be
destroyed. Do you really want to do this? If "Yes",
please type the key string which is written in manual.
Input 1234 (press 1, 2, 3, 4 key) and press Enter.
The change of the RAID configuration will be reflected.
3-118 [CONFIDENTIAL] TECRA S3 Maintenance Manual (960-532)