16:56:30 DR: DRAUTO is 0 (Off)
16:56:31 Informix Dynamic Server Version 7.31.TC5 Software Serial Number AAC#JXXXX
16:56:32 Assert Failed: chunk failed sanity check

16:56:32 Informix Dynamic Server Version 7.31.TC5
16:56:32 Who: Session(1, informix@absrv, 0, 0)
Thread(6, main_loop(), 0, 1)
File: \tristarm\rsam\rspartn.c Line: 7355
16:56:32 Results: Chunk 1 is being taken OFFLINE.
16:56:32 Action: Restore chunk from archive. If this is a temporary dbspace
chunk, drop and add the dbspace to enable it.
16:56:40 See Also: af.3ee01c0
16:56:40 chunk failed sanity check

16:56:41 I/O error, Primary Chunk 'E:\IFMXDATA\ol_absrv\rootdbs_dat.000' -- Offline (sanity)
16:56:41 Informix Dynamic Server Stopped.
16:56:45 mt_shm_remove: WARNING: may not have removed all/correct segments

Since this is on the ROOTCHUNK, you are out of luck and will have to restore from an archive.
You can give it a last shot by calling Tech Support.

-Abraham

Thanks Abraham.
Have solve the problem with the Tech Support.