Restoring data with altered chunks

HPUX 10.20 IDS 7.30.uc7 We currently run level 0 ontape backups during the weekend and level 1 backups during the week. I'd like to be able to do some maintenance on the system during the week, off-hours, of course. I have a dbspace that contains only detached indices. Before I recreate these indices, I'd like to consolidate the chunks holding the dbspace. For example, here's the current layout, courtesy of onstat -d : d625e898 13 12 0 750000 277 PO- /dev/rawspace10 d62909b0 47 12 750000 125000 62324 PO- /dev/rawspace10 d6290b70 49 12 875000 125000 124997 PO- /dev/rawspace10 Scenario 1: straight consolidation I'd like to be able to consolidate this dbspace as follows: ???????? 13 12 0 1000000 ?????? PO- /dev/rawspace10 Scenario 2: space-conserving consolidation I'd like to be able to consolidate this dbspace as follows: ???????? 13 12 0 900000 ?????? PO- /dev/rawspace10 I would like to consolidate the spaces and rebuild the indices after a level 1. In the event of a restore, could I use a level 0 before the consolidation and a level 1 after the consolidation to get me back where I need to be?? Also, how would allocating the unused space (scenario 2) affect a restore? Might as well ask it now . . . . Thanks in advance . . . John Carlson Informix DBA WHSmith USA