Definition of 0P22


Cause: Unit check (seek check or missing address marker), or
The 2321 ballast cell has been accessed. or
A 2321 strip was missed.
Programmer Action: Check that all DLBL and EXTENT (or DLAB and XTENT) cards are
correct. Check that the seek address is within the disk extents.
If the problem recurs, execute a label cylinder display (LSERV) (see DOS/VS SADP), and a
system dump, and have the
· output
· job stream
· log sheet
· program listing
available for problem determination.
Operator Action: See Figure 4 at the beginning of this section. Check that any cells used in
this job are correctly mounted.

Used with Courtesy and Permission of International Business Machines, Inc.