A new wrinkle and possibly related. I have a job that creates two GDGs in the 
same Management Class. Both should be backed up. However, one gets backed up 
while the other doesn't. The backup for the first shows up in HSM's job logs at 
the point of backup but the second is entirely absent from HSM logs.

Even if HSM is having trouble backing up a dataset, shouldn't it be showing up 
in the job logs?




David G. Schlecht | Information Technology Professional
State of Nevada | Department of Administration | Enterprise IT Services
T:(775)684-4328 | F: (775) 684‐4324 | E:dschle...@admin.nv.gov

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf 
Of David G. Schlecht
Sent: Wednesday, July 03, 2013 11:14 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Missing HSM backups

Cheers Mainframe’s Finest,

I’m going batty over this or perhaps already have. I have a management class 
that works for recent data but fails intermittently at the moment of 
performance. About half the datasets lose their backups around day 50.

I have date-derived dataset names  that get backups once created but after ~50 
days the backups start to disappear. Doing a Listcat ,the problem datasets show 
LBAKUP of 0000.000.0000. Listcat also verifies that the datasets all have the 
correct classes and storage group. Since the backups disappear, HSM refuses to 
delete the expired datasets.

There are no references to the problem datasets in the HSM job logs other than 
an occasional PARTREL.

Anyone seen anything like this or have any suggestions on where to look next? 
The management class and storage group definitions follow:
Expire after Days Non-usage  . : 35
Expire after Date/Days . . . . : 35
Retention Limit  . . . . . . . : 35
Partial Release . . . . . . : YES
Migration Attributes
  Primary Days Non-usage  . : 3
  Level 1 Days Date/Days  . : 5
  Command or Auto Migrate . : COMMAND
Backup Attributes,
  Backup frequency  . . . . . . . . . . . : 0
  Number of backup versions . . . . . . . : 3
     (Data Set Exists),
  Number of backup versions . . . . . . . : 2
     (Data Set Deleted),
  Retain days only backup version . . . . : 70
     (Data Set Deleted),
  Retain days extra backup versions . . . : 35
  Admin or User Command Backup  . . . . . : BOTH
  Auto Backup . . . . . . . . . . . . . . : YES
  Backup copy technique . . . . . . . . . : STANDARD STORAGE GROUP Auto Migrate 
. . P Auto Backup  . . Y Auto Dump  . . . N Overflow . . . . N Guaranteed 
Backup Frequency  . . . . . . NOLIMIT


David G. Schlecht | Information Technology Professional State of Nevada | 
Department of Administration | Enterprise IT Services
T:(775)684-4328 | F: (775) 684‐4324 | E:dschle...@admin.nv.gov


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