Recalculate onstat -d (free space of smartblobspace)

Hi, I must write application that calculate free space of smartblobspace ,anyone have idea where find information of free page of smartblobspace ??? In the output of onstat -d this information is readable. This is a query that I use on sysmaster db : SELECT sysdbspaces.name, syschunks.fname, sysdbspaces.nchunks, syschunks.chknum, (syschunks.chksize * 2048)/1024, (syschunks.nfree * 2048)/1024 FROM informix.syschkio syschkio,informix.syschunks syschunks, informix.sysdbspaces sysdbspaces WHERE syschkio.chunknum = syschunks.chknum AND syschunks.dbsnum = sysdbspaces.dbsnum ORDER BY sysdbspaces.name,syschunks.chknum My server is 9.14 UC6 . I have modified this query for running on IIF 2000 and on this version I have no problems because there is a table field tht indicate a free pages of data in smartblobspaces but on 9.14 there isn't . The new query is : SELECT sysdbspaces.name, syschunks.fname, sysdbspaces.nchunks, syschunks.chknum, (syschunks.chksize * 2048)/1024, (syschunks.udsize*2048)/1024, (syschunks.nfree * 2048)/1024 , syschkio.reads, syschkio.pagesread, syschkio.writes,syschkio.pageswritten FROM informix.syschkio syschkio, informix.syschunks syschunks, informix.sysdbspaces sysdbspaces WHERE syschkio.chunknum = syschunks.chknum AND syschunks.dbsnum = sysdbspaces.dbsnum ORDER BY sysdbspaces.name,syschunks.chknum Anyone have suggest ??? Thanks.