Retensioning A Tape - Northern Telecom DNC-50 Installation Manual

Dynamic network control systems
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Retensioning a Tape

If you are the superuser, you can retension a tape. (Only the superuser can access
the Utilities Services _ Main Menu, as required by this procedure.) Retensioning
consists of spooling the tape end-to-end and back, and requires an installed system.
Note: Retension new tapes three times prior to use; otherwise, data errors may
occur.
(1) Sign on as the superuser.
The main menu appears.
(2) Select SYSTEM ADMINISTRATIVE SERVICES, and press ENTER.
The System Administrative Services Main Menu appears.
(3) Select Utilities and press ENTER.
The Utilities Service - Main Menu appears.
(4) Select Helix Command Interpreter, and then press ENTER.
The system prompt appears. (It is usually '>'.)
(5) Insert the new cartridge tape in the SRU. (See Figure 13-3 or 13-4.)
(6) Enter the command TRET and press RETURN.
The tape spools from end to end.
(7) Repeat the above step twice more.
(8) Enter the command
EXIT
and press RETURN.
The Utilities Service - Main Menu appears.
(9) Press <Exit>.
The System Administrative Services Main Menu appears.
Loading/Removing the Tape Cartridge (Cartridge SRU) 119
Practice 450-1011-201

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