Hi,

Amongst the current discussion of PDSE, I have a curious problem that I
wondered if anyone could explain. I do a logical copy of our SYSRES
volume to a new volume, but get the following messages for SYS1.SCUNTBL
- a large PDSE:
ADR717E (003)-FMSG (02), SYSTEM SERVICES ERROR OCCURRED WHILE COPYING
DATA SET SYS1.SCUNTBL IN CATALOG CATALOG.MASTER.S1. RETURN INFORMATION
IS 001-00-000012-00173 AND MESSAGES FOLLOW:
IGW01172T OUT OF SPACE CONDITION ENCOUNTERED DURING MEMBER CREATE

 PROCESSING FOR MEMBER CUNRMHB8, WITH REASON CODE = X'00000E37'

IGW01173S UNEXPECTED RESULTS FROM AN SMSX SERVICE.  RETURN CODE WAS 20

 AND REASON CODE WAS X'050BC005'

IGW01550I 8537 OF 10525  MEMBERS WERE COPIED  

The dataset itself is PDSE, and shows as 9977 members (the rest of the
10525 are aliases), 98% full, one extent (even though secondary is
defined). The volume may not have had enough space to extend that
particular dataset. I freed up space (from other datasets) and reran the
job, and all was fine. After the activity the 'new' dataset was exactly
the same size / %full - no secondary extent was taken.

Can anyone explain why the 'spare' disk space might be needed for a
volume to volume copy if it is not going to be allocated by the end of
the event? Given we do this cloning every month, and the volume is
always near-full, it is a bit inconvenient. 

Best regards,
David Tidy                                      Tel:(31)115-67-1745
IS Technical Management/SAP-Mf          Fax:(31)115-67-1762     
Dow Benelux B.V.                                Mailto:[email protected]

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