On 02-Sep-2015 04:41 -0600, satya tiruveedhi wrote:
<<SNIP>> IBM has a PTF to disable journaling on SYSIXADV. If
journaling can be disabled because it is unnecessary, why not provide
option to disable the update itself when it is unnecessary.

If the desire is so great to prevent the updates, then there exists the option to have the job(s) that write to the file, to have issued [previous to the (next) full-open of the file in that job] a request to Inhibit Writes (INHWRT) for that file name:

OVRDBF SYSIXADV TOFILE(*FILE) INHWRT(*YES) OVRSCOPE(*JOB)

Otherwise, apparently [as can be *inferred*] per the following TechNote document Reference# N1011448 [Historical Number 605100633], there is another option [¿that requires an IPL?] to disable the feature quite generally:
[http://www.ibm.com/support/docview.wss?uid=nas8N1011448]
"...
1. ADDENVVAR ENVVAR(QIBM_NO_INDEX_ADVICE) VALUE('') LEVEL(*SYS)
2. IPL
..."

To re-enable the feature for a future IPL:
1. RMVENVVAR ENVVAR(QIBM_NO_INDEX_ADVICE) LEVEL(*SYS)
2. IPL


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