informix migrate to V10 on another machine

[cpu533]

Hi all,

We have one machine A is running Informix (V7.31) on Aix 4.3.
We are planning to migrate to machine B which will run Informix (V10) on Aix 5.3.
I am looking for advice to how to get it done.
I was thinking to do mksysb migration, which can use mksysb tape(V4.3) with AIX V5.3 installation CD to do a OS migration. Then restore Informix (V7.31) on machine B. Then we can upgrade to Informix V10.
I am not sure whether the V7.31 will be supported on AIX V5.3. Still looking at the documents.
Any suggestion is very welcome.

Thanks,
Denny