Informix

Syed: Here's the tricky part. Initializing a new instance on RH will create the root dbspace. You should first, start with the onconfig.std that was delivered on RH as it will have the correct SHMBASE setting. Then you will need to adjust the ROOTSIZE ...

Hi Syed, in order to prepare a new machine on Linux, you should first prepare the dbspaces. Even if the database is small, it is recommended to separate data DBSpace from rootdbs and possibly Log Spaces (Logical Logs and Physical log) also ...

Thanks Art & Marcus. I plan to make use of "dbschema -c -ns" since my DB is small and want to make use of existing structures in target RHEL linux 8. How should deal with Art's sugestion: " You have not choice about creating a 2K buffer pool as all ...

Some expansion on Marcus's notes: DIRECT_IO: If you are using this on AIX the setting for CONCURRENT_IO (0x02) is not valid on Linux and not needed. If you are using RAW disk on AIX, that can be difficult in Linux, especially in RH as the RAW module ...

Firstly, read the machine notes for both Linux and AIX, and check all the surrounding dependencies as well as shared memory/semaphore settings. There might be some settings which are recommended for AIX which do not apply on Linux and vice versa. ...