Learn the correct command to drain initiators in IBM mainframes. The $PI command is used to drain initiators, not $DI, $TI, or $CI. Get a detailed explanation.
Table of Contents
Question
How will you drain initiators
A. $pi
B. $di
C. $ti
D. $ci
Answer
A. $pi
Explanation
In IBM mainframes, the $PI command is used to drain initiators. This command stops the initiator from selecting new jobs and allows currently executing jobs to complete normally. Once all jobs have completed, the initiator will terminate.
The other options are incorrect:
- $di is used to display detailed information about initiators, but does not drain them
- $ti is not a valid mainframe command
- $ci is used to cancel initiators immediately, but does not allow current jobs to complete normally like $pi does
Therefore, to properly drain initiators and allow current jobs to finish executing before the initiator terminates, the $PI command should be used. The $PI command provides a graceful way to stop an initiator when needed for maintenance or other purposes.
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