>Last Weekend we tried to convert our WDSF/VM database to ADSM.
>After conversion ADSM was not able to work correctly with the converted
>database, so we had to go back to WDSF.
>But I can give you some numbers.
>In our WDSF database are 2,615,648 datasets from 160 clients.
>They occupied 400,202 pages.
>To audit the database we need about 10 hours on a IBM ES9000/620.
>The conversion takes 43 (fortythree) hours (without mirroring).
>After the conversion the database occupied 315,740 pages.
>(WDSF 626 bytes/dataset ADSM 494 bytes/dataset).
>After the conversion we get error
>ANR9999D AFTXN(833): Cluster occupancy went negative for Volid=434, Ck1=17,
>Ck2=5, Poolid=2.
>ANR1181E AFTXN171: Data storage transaction aborted
>and
>ANR0102E DSALLOC(848): Error 1 inserting row in table "DS>Segments".

This is a known problem with the DB Conversion utility that will
be fixed in the next ptf (although I don't know how soon it will
be available). There will also be a utility that will correct this
problem for those people that have already run the conversion but
have not "hit" this problem yet.

Rob Edwards