IEF244I

Explanation
text is one of the following:
AT LEAST nnn ALLOCATED UNIT(S) NEEDED
AT LEAST nnn OFFLINE UNIT(S) NEEDED
AT LEAST nnn ALLOCATED AND nnn OFFLINE
UNIT(S) NEEDED

The system cannot complete the allocation for a step with
the devices currently available online and not allocated. To recover
from this situation, units must be varied online and/or become unallocated.
Note that this total may include allocated units containing volumes
that must be moved to an eligible unit to satisfy the allocation requirements
for this step.
If the second line of the message appears the
system has determined the minimum number of allocated and/or offline
units required. In the message text: jobname
The name of the job.
procstep
The name of the step in the procedure.
stepname
The name of the job step.
nnn
The number or units that must be varied online and/or become unallocated.

System action
The system issues more detailed messages about
each of the DD statements that require further allocation action.
Messages IEF488I and IEF877E might be issued following this message.

Source
Allocation

Module
IEFAB487

Routing code
2,3,4,

Descriptor code
6