DAOS pruning anomalies

Rob Berendt <[email protected]> Fri, 31 May 2019 18:09:13 +0000
Newsgroups gmane.comp.systems.as400.domino
Message-ID <BL0PR11MB29645D3705D25365CFE7507EA4190@BL0PR11MB2964.namprd11.prod.outlook.com>
With a firm grasp on this:
https://www-01.ibm.com/support/docview.wss?uid=swg21448358
I delved into some Domino DAOS pruning anomalies.
Three of my Domino servers are cluster mates and should be rather identical:  NOTES01, NOTES02, NOTES03.
However I noticed a few things.
First I ran the example sql script "Analyze IFS storage consumption" found in the latest version of IBM i Access Client Solutions.  I noticed that both the summary of the size of all of the DAOS directories, and the number of objects in those directories, were much larger on NOTES03.
IFS_DIRECTORY TOTAL_SIZE        NBR_OBJECTS
/NOTES01/NOTES/DATA/DAOS   14,573,982,653  4791
/NOTES01/NOTES/DATA/mail      8,182,562,816    28
/NOTES02/NOTES/DATA/DAOS   14,716,998,303  4800
/NOTES02/NOTES/DATA/mail      8,847,884,361    29
/NOTES03/NOTES/DATA/DAOS   68,889,719,379  38289
/NOTES03/NOTES/DATA/mail      8,489,271,369    31
I ran a SHOW STAT DAOS and it was synchronized.
I also noticed that the size of daoscat.nsf on NOTES03 was in the GB.  100 times the size of it on NOTES01 or NOTES02.
So I dropped NOTES03.  Deleted daoscat.nsf using the OS.  (I had tried the admin client but even a TELL DAOSMGR QUIT would not free it up.)
I started the server back up.  I ran TELL DAOSMGR RESYNC and let that run.
Then I ran TELL DAOSMGR PRUNE which told me the default number of days to keep unreferenced NLO's was 15.  So I then ran
TELL DAOSMGR PRUNE 15

The daoscat is under 5mb.
                                      Before                            After
IFS_DIRECTORY               TOTAL_SIZE     NBR_OBJECTS     TOTAL_SIZE     NBR_OBJECTS
/NOTES03/NOTES/DATA/DAOS   68,889,719,379  38289            21,288,205,791  6956
/NOTES03/NOTES/DATA/mail   8,489,271,369   31               8,561,098,752     30

Granted our mail is shrinking in size as we are migrating mail to O365.

Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1
Group Dekko
Dept 1600
Mail to:  2505 Dekko Drive
          Garrett, IN 46738
Ship to:  Dock 108
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http://www.dekko.com

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