Re: v5r4 upgrade first touch object conversions and logical files

Danger, Will Robinson, er Charles! Well, maybe not danger, but definitely an FYI.

I always thought that a backup or "touch" such as DSPOBJD would activate the object conversion after an upgrade.

But during this summers V5R3 to V5R4 upgrade, I found out it was not the case and that STROBJCVN _had_ to be used. When performing the first post-upgrade backups, MCH0601 f/QBSVPRE x/0857 t/QDBSVPRE x/0857 errors kept occurring.

A 4AM-ish phone call to IBM Software Support resolved the problem. And it has since been corrected by PTF SI32436 for LPP 5722SS1, which addresses the issue raised by yours truly under APAR SE34355

Link for PTF SI32436
http://www-912.ibm.com/a_dir/as4ptf.nsf/d274b8e7d37f34a786256e320076c355/2c4f42fcf707beda86257497005df611?OpenDocument

Link for APAR SE34355
http://www-912.ibm.com/n_dir/nas4apar.nsf/ALLAPARS/SE34355

Brian Dolinar.

"Charles Wilt" <charles.wilt@xxxxxxxxx> wrote in message news:mailman.6220.1227538174.13295.midrange-l@xxxxxxxxxxxxxxx
All,

I'm wondering when the "first touch" object conversion occurs for a logical
file after an upgrade to v5r4 from v5r2.

Consider for instance, an SQL query that references the physical, obviously
the physical will be converted, but what about the logicals?

Are they converted when the physical is?

If not, would the query optimizer count as a "first touch"?

Or would they only be converted if directly referenced by an RPG program,
DSPOBJD or similar?


Thanks!
Charles Wilt