MIRROROFFSET configuration parameter

In HCL Informix®, MIRROROFFSET specifies the offset into the disk partition or into the device to reach the chunk that serves as the mirror for the initial chunk of the root dbspace.

onconfig.std value
MIRROROFFSET 0
values
Any value greater than or equal to 0
units
Kilobytes
takes effect
After you edit your onconfig file and restart the database server.